| KABUSHIKI KAISHA YASKAWA DENKI Patent applications |
| Patent application number | Title | Published |
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| 20120134896 | SPECIMEN PROCESSING SYSTEM - A specimen processing system has a robot equipped with a base, torso part and two arms, and a plurality of devices arranged within the range of movement of the arms of the robot for performing the process made up of predetermined steps on the specimen, including a laboratory dish, a laboratory dish stand, a spatula, a spatula stand, a test tube, a test tube stand, a pipette, a pipette stand, a tip, a tip stand, an incubator, a centrifuge, a stirrer, and a heating/cooling device. | 05-31-2012 |
| 20120127691 | CONTROL APPARATUS - A control apparatus includes a casing; an internal device accommodated in the casing and having a connection port to be connected to a cable; a frame on which the cable is distributed, the frame having an opening large enough for an operator to connect an end of the cable to the connection port through the opening; and a joining part joining the casing and the frame. | 05-24-2012 |
| 20120116715 | ENCODER, SERVO UNIT, AND POSITION DATA CALCULATING METHOD - An encoder includes a detector, a first position data calculator, a first data converter, an approximation device and a third position data calculator. The first data converter is configured to convert a first position data calculated by the first position data calculator into second position data whose second width in bits is longer than a first width in bits of the first position data. The approximation device is configured to calculate an approximation function that derives position data when timing data is input, based on a plurality of the second position data converted by the first data converter at a plurality of successive sampling timings, respectively. The third position data calculator is configured to calculate third position data indicating a position of a detection target at an output timing, based on the approximation function calculated by the approximation device. | 05-10-2012 |
| 20120111135 | ROBOT WRIST STRUCTURE AND ROBOT - A robot wrist structure includes a first wrist arm rotatable about a first axis, a second wrist arm provided in a tip end portion of the first wrist arm and configured to swing about a second axis substantially intersecting the first axis, a wrist flange provided in a tip end portion of the second wrist arm and configured to rotate about a third axis in a skew position with respect to the second axis, an intermediate member fixed to the wrist flange, and a cable bundle connected to an end effector fixed to the intermediate member. The cable bundle extends through the second wrist arm, the wrist flange and the intermediate member and drawn out from the intermediate member to reach the end effector. | 05-10-2012 |
| 20120109380 | ROBOT CONTROL APPARATUS, ROBOT CONTROL METHOD, AND ROBOT SYSTEM - A robot control apparatus is configured such that a vector calculator calculates a first vector representing a moving direction of a reference portion at a reference portion position and a second vector representing relative positions of a signal output position and the reference portion position. The robot control apparatus is configured such that a signal output determiner determines whether or not the notification signal is output on the basis of the first vector and the second vector that are calculated by the vector calculator. | 05-03-2012 |
| 20120107081 | BOARD CONVEYING HAND AND BOARD CONVEYING DEVICE PROVIDED WITH THE SAME - An adsorbent in a board conveying hand includes: a pad for adsorbing a board in contact with the board; and an elastic member interposed between the fork and the pad and provided with an adsorption passage for allowing an adsorbing fluid to pass between the fork and the pad, wherein a part of the elastic member is deformed, thus arbitrarily varying a projection amount of the pad from the fork. | 05-03-2012 |
| 20120104892 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a rotor core, and a permanent magnet embedded in proximity to an outer circumferential portion of the rotor core, in which gaps for reducing irreversible demagnetization of the permanent magnet are provided on portions on an inner circumference side of the permanent magnet, the portions being of the rotor core in proximity to an inner circumferential surface of the permanent magnet. | 05-03-2012 |
| 20120098961 | SHAPE MEASURING APPARATUS, ROBOT SYSTEM, AND SHAPE MEASURING METHOD - A shape measuring apparatus includes a laser emitter that emits a laser beam, a scanner that scans the laser beam emitted by the laser emitter over a region in which an object is placed, a camera that detects reflected light of the laser beam, a recognizer that performs three-dimensional measurement of the object on the basis of the detection result of the camera, and a controller that performs control so as to change a scanning range of the scanner in accordance with the region in which the object is placed, the region being detected by the camera. | 04-26-2012 |
| 20120098372 | ROTARY ELECTRIC MACHINE AND ROTOR THEREFOR - A rotor includes a rotor core and a plurality of permanent magnets aligned in a circumferential direction of the rotor core. An inner circumferential surface of the rotor core includes a first portion formed at a position corresponding to a central portion of the permanent magnet in a circumferential direction, the first portion being recessed with respect to a second portion corresponding to a boundary between circumferentially adjacent permanent magnets. | 04-26-2012 |
| 20120086287 | LINEAR MOTOR AND STAGE DEVICE - A linear motor includes a field magnet and an armature. The field magnet includes a pair of opposing field magnet yokes. A yoke base is disposed on a first end of each field magnet yoke in a Y axis direction. Between the field magnet yokes, a first magnet row is disposed including, along an X axis direction, a plurality of opposing pairs of first magnets having different polarities. Between the field magnet yokes, a second magnet row is disposed to a first side or a second side of the first magnet row in the Y axis direction. The second magnet row includes a pair of opposing second magnets having different polarities and forming a single row in the Y axis direction on the field magnet yokes. The armature includes a first armature coil opposite the first magnet row and a second armature coil opposite the second magnet row. | 04-12-2012 |
| 20120083920 | PROCESSING SYSTEM, ROBOT, AND PRODUCT MANUFACTURING METHOD - A processing system according to embodiments has an article supplier which supplies an article; a first conveyor which conveys an object to be processed; a workbench which is provided on the downstream side of the first conveyor and places thereon the object to be processed, conveyed by the first conveyor; a robot which takes out the article from the article supplier and subjects the object to be processed, placed on the workbench, to an operation using the article according to a previously instructed operation movement; and a second conveyor which is provided on the downstream side of the workbench and conveys the object to be processed, which has been subjected to the operation by the robot. | 04-05-2012 |
| 20120080416 | ARC WELDING DEVICE AND ARC WELDING SYSTEM - An arc welding device according to an embodiment carries out welding while repeatedly generating a short circuit state and an arc state between a consumable electrode and a welding member. The arc welding device includes a detection unit and an adjustment unit. The detection unit detects at least one of a length of a short circuit generation period of this time and a length of an arc generation period of this time. The adjustment unit adjusts an increase rate of a short circuit current in a short circuit generation period of next time according to at least one of the length of the short circuit generation period and the length of the arc generation period detected by the detection unit. | 04-05-2012 |
| 20120074724 | HAND AND ROBOT - A hand includes: a pair of supporters; first and second gripping claws which are supported inside of the pair of supporters, respectively, so as to grip a bolt; an oscillating mechanism which oscillates the first and second gripping claws on an oscillatory axis crossing a longitudinal direction of each of the supporters, so as to change the orientation of a tip of each of the first and second gripping claws; and a bolt rotating mechanism for rotating, on the axis of the bolt, the bolt gripped by the first and second gripping claws. | 03-29-2012 |
| 20120068655 | OUTPUT FILTER AND MOTOR DRIVE SYSTEM INCLUDING THE SAME - A motor drive system includes: a three-phase motor; a power conversion device that supplies power for driving the three-phase motor; and an output filter that is arranged between an output of the power conversion device and the three-phase motor and has a configuration in which a setting value of a filter resonance frequency is selectable and changeable. | 03-22-2012 |
| 20120067157 | ROBOT - A robot includes a base; a swivel unit rotatably arranged on the base; a lower arm having a base end portion, a tip end portion and a side surface, the base end portion rotatably supported on the swivel unit to enable the lower arm to swing in a front-rear direction; and first and second cable bundles arranged on the side surface of the lower arm to extend along a longitudinal direction of the lower arm. The robot further includes a cable bundle support mechanism including a guide unit for supporting the first and second cable bundles to move in the longitudinal direction of the lower arm. | 03-22-2012 |
| 20120065781 | REDUCER ABNORMALITY DETERMINATION METHOD, ABNORMALITY DETERMINATION DEVICE, AND ROBOT SYSTEM - The invention provides a method and a device capable of precisely and simply extracting data used for abnormality determination and life diagnosis of a drive system of an industrial robot while executing a normal action program. Regarding a torque signal Tf outputted from a motor driver for controlling a motor in accordance with a position command Xs generated based on an operation program of a robot to the motor, a highpass filter is applied after gravity compensating torque and interference torque due to other shafts of the robot are removed from the torque signal Tf, and an abnormality in a reducer is determined based on an extracted oscillating component of the reducer. | 03-15-2012 |
| 20120063089 | ELECTRONIC DEVICE - An electronic device includes a main body having an air inlet port and an air outlet port, an air channel having an air inlet port and an air outlet port and is arranged such that the air channel and the main body oppose each other, a boundary base disposed between the main body and the air channel, a heat sink mounted on the boundary base such that a fin thereof protrudes into the air channel, a power converter tightly mounted on an upper surface of a base of the heat sink so as to be positioned in the main body, cooling fans disposed near the air outlet port of the main body and the air outlet port of the air channel, and a first reactor disposed on a windward side of the heat sink in the air channel. | 03-15-2012 |
| 20120062046 | MULTI-HEAD LINEAR MOTOR WITH CORES - A multi-head linear motor with cores according to an embodiment includes a permanent magnet field and an armature. The permanent magnet field includes P pieces of permanent magnets. The armature is arranged so as to face the permanent magnet field through a magnetic air gap and includes M pieces of armature coils. Any one of the armature and the permanent magnet field constitutes a mover, the other constitutes a stator, and the mover is arranged in plurality to be lined up over a single piece of the stator to individually drive the movers relative to the stator. Moreover, the movers each include a large thrust mover and a small thrust mover that have different relationships each determined with a magnetic pole number P of the permanent magnets and a number M of the armature coils relative to the stator. | 03-15-2012 |
| 20120061981 | HAND AND ROBOT - A hand according to an embodiment includes a pair of supporting units, a pair of capturing claws, an opening-and-closing mechanism, and a reciprocating mechanism. The pair of capturing claws are supported on the inner surfaces of the pair of respective supporting units and capture a part. The opening-and-closing mechanism opens and closes the pair of supporting units along a reciprocating axis intersecting with longitudinal directions of the supporting units. The reciprocating mechanism causes the pair of capturing claws to rotate about the reciprocating axis to change the direction of each tip of the capturing claws. | 03-15-2012 |
| 20120038168 | POWER GENERATOR AND WIND POWER GENERATION SYSTEM - This power generator is so formed that a number q of slots per pole per phase obtained by dividing the number of slots by the number of poles of permanent magnets and the number of phases of voltages is a fraction satisfying 1| 02-16-2012 | |
| 20120038166 | ROTATING ELECTRIC MACHINE, WIND POWER GENERATION SYSTEM AND METHOD OF MANUFACTURING ROTATING ELECTRIC MACHINE - This rotating electric machine is so formed that the length from an end portion of a rotor core closer to a rotating shaft support portion to a portion first coming into contact with the rotating shaft support portion when a rotating shaft portion is inserted into the rotating shaft support portion is larger than the length from an end portion of the rotating shaft support portion closer to a stator to an end portion of a stator core opposite to the rotating shaft support portion. | 02-16-2012 |
| 20120025663 | ROTATING ELECTRIC MACHINE - A rotating electric machine includes a rotor, a stator and a load side bracket. The rotor has an outer rotor surface around a rotational axis. The stator is provided to surround the outer rotor surface. The stator includes a stator core and a stator coil. The stator core has teeth. Each of the teeth is inserted in the stator coil. The stator coil includes a coil end which is provided on a load side of the stator. The stator coil has an inner coil surface facing the teeth, an outer coil surface which is a reverse side of the inner coil surface. One end and another end of the wire are formed on the outer coil surface. The load side bracket has a groove in which the coil end is provided. | 02-02-2012 |
| 20120025534 | ROTATING ELECTRICAL MACHINE, LINEAR MOTION ELECTRICAL MACHINE, AND WIND GENERATOR SYSTEM - This disclosure discloses a rotating electrical machine comprising: a stator; and a rotor; one of said stator and said rotor having a coil, the other having a plurality of magnetic pole units each forming first and second magnetic poles configured to be aligned alternately and to have mutually opposite polarities at a side of the one of said stator and said rotor, each of said magnetic pole units comprising: a unit core that a projecting part configured to protrude toward the side of the one of said stator and said rotor is formed; and a permanent magnetic provided between each of said projecting parts on the side of the one of said stator and said rotor from said unit core, said first magnetic pole being formed by said permanent magnet, and said second magnetic pole being formed by each of said projecting parts. | 02-02-2012 |
| 20120020021 | MATRIX CONVERTER - A matrix converter includes first to third AC reactors connected in series with first- to third-phase outputs of three-phase AC electric power, and a first cooling fan that generates cool air for cooling the first to third AC reactors. The first to third AC reactors are arranged side-by-side in a direction intersecting a direction in which the cool air flows. | 01-26-2012 |
| 20120019970 | MATRIX CONVERTER - A matrix converter includes a plurality of semiconductor switch modules, and a plurality of snubber modules each having a plurality of capacitors and a plurality of diodes. Each of the snubber modules has a terminal group projecting outward, a first terminal, and a second terminal. The first and second terminals project from positions different from the terminal group, and are connected to an external circuit provided outside the matrix converter. Terminals of the terminal group are connected to terminals of a corresponding semiconductor switch module. The first terminals of the plurality of snubber modules are connected to one another via a first bus bar, and the second terminals are connected to one another via a second bus bar. | 01-26-2012 |
| 20120007541 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a sub-controller including a two-degree-of-freedom repetitive compensator and a shaping filter. The two-degree-of-freedom repetitive compensator includes a forward delay placed in a forward route of a loop and a feedback delay placed in a feedback route thereof and is configured so that a total delay time provided by the forward delay and the feedback delay is equal to the cycle of a target command or a disturbance. The shaping filter is configured so that the product of the pulse transfer function of the two-degree-of-freedom repetitive compensator and the complementary sensitivity function of a general-purpose control system has a low-pass characteristic. | 01-12-2012 |
| 20120004774 | ROBOT APPARATUS AND GRIPPING METHOD FOR USE IN ROBOT APPARATUS - A robot apparatus includes a robot arm, a multi-fingered hand disposed at an end of the robot arm and including a force sensor for use in force control, an image processor that acquires at least location information on a gripping target by detection made by a visual sensor, and a control device that moves the robot arm on the basis of the at least location information on the gripping target acquired by the image processor to cause the multi-fingered hand to approach the gripping target, detects a contact location of actual contact with the gripping target on the basis of an output of the force sensor of the multi-fingered hand, and modifies the location information on the gripping target on the basis of information indicating the detected contact location. | 01-05-2012 |
| 20120002454 | THREE-LEVEL INVERTER, POWER CONDITIONER, AND POWER GENERATING SYSTEM - A three-level inverter includes a set of series-connected capacitors connected in parallel to a direct-current power supply; two arms connected in parallel to an output of the direct-current power supply and each having an alternating-current output terminal; and a control section having a neutral voltage controller determining a three-phase voltage correction command based on a neutral voltage and voltage of the direct-current power supply, having a coordinate converter converting the three-phase voltage correction command to a voltage correction command on d-q axis, and suppressing voltage variations at the neutral point by correcting a voltage command on d-q axis based on the d-q voltage correction command. The neutral point is connected to one grounded phase of a three-phase grounded power system. The alternating-current output terminals are connected to respective non-grounded phases of the power system. A power conditioner includes the three-level inverter. A power generating system includes the power conditioner. | 01-05-2012 |
| 20120001499 | ACTUATOR - An actuator according to an embodiment includes support mechanisms that are disposed in plural places of an output shaft in a longitudinal direction and support the output shaft in a linear direction and a rotation direction, a motor portion that is disposed in a longitudinal direction of the output shaft and drives the output shaft in the linear direction and the rotation direction, a first detecting portion that detects an angle of a rotation direction of the output shaft, and a second detecting portion that detects displacement of the direct direction of the output shaft. | 01-05-2012 |
| 20120000891 | ROBOT SYSTEM - For teaching a welding-point position for a robot, processing of a robot system includes first processing for moving a spot welding gun to a position at which movable and fixed electrodes pinch the welding point; second processing for extending the movable electrode toward a member to be welded by driving of a motor, detecting contact between the movable electrode and the member based on a torque command to the motor, and stopping the movable electrode after the contact is detected; and third processing for operating the robot toward the movable electrode to move the fixed electrode toward the member while maintaining the contact between the movable electrode and the member by the driving of the motor, detecting contact between the fixed electrode and the member based on a disturbance torque acting on a joint of the robot, and stopping the operation of the robot after the contact is detected. | 01-05-2012 |
| 20110314950 | ROBOT - A robot includes an articulation mechanism that includes a pair of opposing bevel gears, a pair of motors that rotate the pair of opposing bevel gears independently of each other, an output bevel gear that is engaged with each of the pair of opposing bevel gears and is supported so as to be rotatable and so as to be swingable in rotational directions of the pair of opposing bevel gears, and an output body that is secured to the output bevel gear, a cover-and-support structure that is a supporting member and functions as a cover covering the outside of the entirety of the articulation mechanism, and a swing mechanism that supports the cover-and-support structure such that the cover-and-support structure is swingable in the rotational directions of the pair of opposing bevel gears. | 12-29-2011 |
| 20110304858 | MOVABLE BODY SYSTEM - A movable body system includes a movable body to which an image pickup apparatus is attached; an image analyzer that performs image matching between the image captured by the image pickup apparatus and an image, which is previously captured on the travel path of the movable body; a wall-surface detector that detects directions of the movable body with respect to wall surfaces, which are arranged along the travel path, and distances between the wall surfaces and the movable body; and a traveling-direction calculator that detects a shift of the movable body with respect to the travel path from an output of the image analyzer or the wall-surface detector, and calculates a traveling direction to cause the movable body to travel on the travel path. | 12-15-2011 |
| 20110301744 | TRANSFER APPARATUS - A transfer apparatus includes a container that contains workpieces to be transferred, a sensor that detects a position and a posture of the workpiece existing in a predetermined detection area, and a robot that takes out the workpiece and transfers the workpiece to a transfer destination on the basis of a detection result of the sensor. The sensor includes an area storage that stores a plurality of detection areas, a condition storage that stores a switching condition for switching the detection areas, and a controller that switches the detection areas in a predetermined order when the switching condition is satisfied. | 12-08-2011 |
| 20110298411 | ENCODER, SERVO UNIT AND ENCODER MANUFACTURING METHOD - An encoder includes a disk including a first track and a second track each being ring-shaped and provided with a rotary grating, and a first detector and a second detector that are fixedly disposed so as to respectively face the first track and the second track each provided with a fixed grating that detects diffracted interfering light. A plurality of slits of the first track are formed as curved slits. The first detector facing the first track is disposed at a position where a tangent of each of the slits included in the diffraction grating of the first track becomes parallel to a tangent of each of the slits included in the diffraction grating of the second track at a position where the second detector faces the second track. | 12-08-2011 |
| 20110298407 | MOTOR POSITION CONTROLLER - The motor position controller inputs a command pulse signal and a desired pulse form setting, and drives a motor based on the command pulse signal. The motor position controller includes a position command generating device configured to generate a position command signal from the command pulse signal in accordance with the inputted desired pulse form setting, a motor controlling part configured to supply power to the motor based on the position command signal, and a first conformity determination device configured to determine the conformity of the desired pulse form setting and the command pulse signal. | 12-08-2011 |
| 20110292611 | SEMICONDUCTOR-DEVICE COOLING STRUCTURE AND POWER CONVERTER - A power converter includes a plurality of semiconductor modules each including a semiconductor device that generates heat and a cooler that includes a first cooling element, on which the semiconductor device is directly mounted through a connecting member, and a second cooling element having a higher heat capacity than the first cooling element, and an insulating casing receiving the semiconductor modules to electrically isolate the semiconductor devices from each other. | 12-01-2011 |
| 20110290090 | ROBOT SYSTEM AND METHOD OF MANUFACTURING PROCESSED PRODUCT - To automatically perform an attachment work of a material supply to a target object, a robot system includes a robot provided with a body, a first arm provided for the body and having a plurality of joints, a second arm provided for the body separately from the first arm and having a plurality of joints, and hand units respectively provided for the first arm and the second arm. The robot holds one of a plurality of types of workpiece components using the hand units of the first arm and the second arm at the same time, and the remaining type of the workpiece components is held and carried by the hand unit of the first arm or the second arm. | 12-01-2011 |
| 20110287672 | TERMINAL DEVICE, ELECTRONIC APPARATUS, AND ELECTRONIC APPARATUS PRODUCTION METHOD - An electronic apparatus includes a terminal holding mechanism that holds a terminal portion configured to conduct power from an external terminal, a terminal base that forms a part of the terminal holding mechanism, a partition wall having an open portion on a side, the partition wall separating the terminal portion and the terminal base, and a contact surface facing the open portion of the partition wall and provided integrally with the terminal base, the contact surface being electrically connected to the terminal holding mechanism. | 11-24-2011 |
| 20110285138 | ROTATING ELECTRICAL MACHINE, MANUFACTURING METHOD OF ROTATING ELECTRICAL MACHINE, AND WIND POWER GENERATOR SYSTEM - A rotating electrical machine according to an aspect of the embodiment includes a rotor and a stator that surrounds the rotor. The stator includes: a yoke core that is obtained by bending in a circular shape plural band-shaped steel sheets that are punched out from a non-directional magnetic steel sheet and by stacking the punched-out band-shaped steel sheets; and plural teeth cores that are arranged in a peripheral direction of the yoke core, with one ends of the teeth cores fixed to an internal peripheral side of the yoke core, and with the other ends of the teeth cores set opposite to the rotor. The teeth cores are configured by stacking teeth steel sheets that are punched out from a directional magnetic steel sheet, and the teeth cores are independent of each other. | 11-24-2011 |
| 20110273848 | CONTROL DEVICE - It is possible to provide a small-size and light-weight control device having a structure which prevents detaching of a board even when an external shock is applied without using a screwed connection. The control device is formed by a case including at least one board, a radiator, and a protection cover. The case includes at least one latch portion in an upper part or a lower part of a board support frame. | 11-10-2011 |
| 20110270444 | SYSTEM AND METHOD FOR JUDGING SUCCESS OR FAILURE OF WORK OF ROBOT - A system for judging success or failure of a work of a robot includes a position command generating unit, a contact position detecting unit, and a work success/failure judging unit. The position command generating unit generates a position command enabling movement of a fingertip of the robot so that a position and posture detecting unit, which is attached to the fingertip of the robot and has an elastic transformation area, is brought into contact with a predetermined position relating to a work target after the predetermined work is performed for the work target by the robot. The contact position detecting unit calculates a contact position that is a position of a tip end of the position and posture detecting unit at the time of being in contact with the predetermined position based on a value of an external force applied to the fingertip and the position of the tip end of the position and posture detecting unit. The work success/failure judging unit judges the predetermined work to be successful when the calculated contact position is within a predetermined range and judges the predetermined work to be failed when the calculated contact position is not within the predetermined range. | 11-03-2011 |
| 20110270443 | APPARATUS AND METHOD FOR DETECTING CONTACT POSITION OF ROBOT - An apparatus for detecting a contact position where a robot makes contact with an object includes a probe, a probe-position calculating unit, a contact detecting unit, and a contact-position calculating unit. The probe is attached to the robot and is configured to make a displacement in a direction of making contact with the object in an elastic manner. The probe-position calculating unit calculates a position of the probe of the robot in operation. The contact detecting unit detects a contact state of the probe with the object. When the contact state of the probe is detected, the contact-position calculating unit derives the contact position based on a calculated position of the probe. | 11-03-2011 |
| 20110266988 | OUTPUT FILTER AND POWER CONVERSION APPARATUS HAVING THE SAME - Provided are an output filter and a power conversion apparatus having such an output filter. The output filter is configured by a neutral point detector with a reduced size and having no common mode inductance occurring by making inductances in coils of respective phases equal. | 11-03-2011 |
| 20110266910 | ROTOR, ROTATING ELECTRIC MACHINE, VEHICLE, ELEVATOR, FLUID MACHINE, AND PROCESSING MACHINE - A rotor includes a rotor core, a first magnet, a second magnet, a first pole partition line, and a second pole partition line. The first and second magnets are provided inside the rotor core and between the first and second pole partition line. The first magnet is closer to the first pole partition line than to the second pole partition line, and the second magnet is closer to the second pole partition line than to the first pole partition line. A distance between the first and second magnets at a position is wider as the position is closer to a circumference portion of the rotor core. The first magnet and the first pole partition line have a first minimum distance therebetween, the second magnet and the second pole partition line have a second minimum distance therebetween, and the first minimum distance is smaller than the second minimum distance. | 11-03-2011 |
| 20110262257 | Horizontal articulated robot and substrate transfer system provided with the same - A horizontal articulated robot includes a first arm and a second arm respectively supported at their base end portions by a body and the tip end portion of the second arm to be rotatable about a first joint and a second joint; and a fork including its base end portion supported by the tip end portion of the second arm to be rotatable about a third joint. The first arm includes a first enlarged portion, formed in its tip end portion, with an upper surface positioned higher than an upper surface of the base end portion of the first arm. The second arm includes a second enlarged portion, formed in its tip end portion, with a lower surface positioned lower than a lower surface of the base end portion of the second arm. The first and the second enlarged portion are at least partially overlapped with each other horizontally. | 10-27-2011 |
| 20110254385 | DIRECT ACTING ROTATION ACTUATOR - A direct acting rotation actuator includes a motor unit, an output shaft, a detector unit, and a bearing portion. The motor unit includes a field magnet portion which includes a permanent magnet or a core tooth, a first armature winding which generates a rotation magnetic field in the rotation direction, and a second armature winding which generates a traveling magnetic field in the direct acting direction. The output shaft is attached to the field magnet portion of the motor unit. The detector unit includes a direct acting detector and a rotation detector respectively detecting a position in the direct acting direction and an angle in the rotation direction of the output shaft. The bearing portion includes a direct acting bearing and a rotation bearing respectively supporting the output shaft in the direct acting direction and the rotation direction. The motor unit is disposed on an anti-load side of the output shaft, and the detector unit is disposed on a load side of the output shaft. | 10-20-2011 |
| 20110243690 | SUBSTRATE TRANSPORT HAND AND SUBSTRATE TRANSPORT ROBOT - This substrate transport hand includes a first receiving portion and a second receiving portion capable of receiving a first substrate and a second substrate thereon respectively, a third receiving portion supporting the first substrate received on the first receiving portion along with the first receiving portion, and a fourth receiving portion movably provided on a hand body portion for supporting the second substrate received on the second receiving portion along with the second receiving portion when moved to a first position of the hand body portion. | 10-06-2011 |
| 20110241447 | MOTOR DRIVING SYSTEM, MOTOR CONTROLLER, AND SAFETY FUNCTION EXPANDER - The motor driving system includes a driving state amount detector configured to detect a driving state amount, a motor control part configured to perform a power supply control, a higher control part capable of outputting a higher control command to the motor control part, and a safety requesting part that inputs a safety request signal to the motor control part. The motor control part includes a motor control circuit part that performs the power supply control, a mode selecting and executing part configured to select and execute either a first safety function mode or a second safety function mode, and a comparing and monitoring processing part that compares the driving state amount and a predetermined operation monitoring pattern, when the safety request signal is inputted. | 10-06-2011 |
| 20110236162 | PROCESSING-OBJECT-SUPPORTING MECHANISM, SUPPORTING METHOD, AND CONVEYING SYSTEM INCLUDING THE MECHANISM - A processing-object-supporting mechanism includes at least three devices each including a lift pin, a motor, and a drive controller. The lift pin contacts a processing object to support the processing object. The processing object is transferred between a conveying arm and the processing-object-supporting mechanism. The motor lifts and lowers the lift pin. The drive controller is configured to control the motor. The drive controller of each of the at least three devices is configured to control the motor of each of the at least three devices independently. | 09-29-2011 |
| 20110230062 | ELECTRONIC APPARATUS - An electronic apparatus includes a housing; a terminal block fixed to the housing at both ends thereof in a width direction; and a printed circuit board extending in a depth direction of the terminal block, one end of the printed circuit board in the depth direction being fixed to the housing, and the other end of the print circuit board in the depth direction being fixed to the terminal block at a position below the terminal block. | 09-22-2011 |
| 20110228508 | POWER CONVERSION APPARATUS - A power conversion apparatus includes a switching circuit including semiconductor switches, and a main circuit capacitor connected between a DC power source and the switching circuit. The main circuit capacitor includes a capacitor element, first wiring members that connect the DC power source to the switching circuit, and second wiring members that connect the capacitor element to the switching circuit. The capacitor element, the first wiring members, and the second wiring members are received in a case. | 09-22-2011 |
| 20110227518 | OPTICAL ENTIRE-CIRCUMFERENCE ENCODER AND MOTOR SYSTEM - An optical entire-circumference encoder includes a plurality of rotation slits provided to transmit light at an equal pitch radially around a rotation axis as a center in a rotation track. A plurality of fixed slits is provided to transmit light at an equal pitch in a plurality of regions radially around the rotation axis as the center in a fixed track. A plurality of light receivers is disposed in a vicinity of the rotation axis to receive a light guided by the light guide in the regions respectively. The fixed slits in one of the regions and the fixed slits in another region adjacent to the one of the regions among the regions in the fixed track are formed so that a phase difference by which a rotation direction of the rotor is determined occurs between light reception signals of the plurality of light receivers. | 09-22-2011 |
| 20110227459 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a frame, a flange, a rotor, a stator, and a plurality of reinforcing bars. The frame has a plurality of side surfaces surrounding a space to form a substantially polygonal shape in a plane perpendicular to an axial direction of the frame. The side surfaces have a first side surface and a second side surface opposite to the first side surface. The frame has an end portion in the axial direction. The flange is provided at the end portion of the frame. The rotor is provided in the space and includes a shaft that is rotatably supported by the flange. The stator is provided in the space to be fixed to an inner section of the frame and to surround the rotor. The reinforcing bars intersect each other and are provided on the first side surface and the second side surface, respectively. | 09-22-2011 |
| 20110227437 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a flange provided at one end of a hollow frame in an axial direction; a rotor including a shaft, the shaft being rotatably supported by the flange; and a stator fixed to an inner section of the frame, the stator surrounding the rotor. The rotor includes a first rotor core and a second rotor core arranged in the axial direction and having recesses formed in the axial direction, and a rotor-core space defined by the recesses that are formed in the first rotor core and the second rotor core and that face each other. | 09-22-2011 |
| 20110227432 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a flange provided at one end of a substantially rectangular, hollow frame in an axial direction; a lid provided at the other end of the frame in the axial direction; a rotor including a shaft, the shaft being rotatably supported by the flange and the lid; a stator fixed to an inner section of the frame, the stator surrounding the rotor; and a plurality of fans provided on opposite side surfaces of the frame in a plan view of the frame as viewed in the axial direction. | 09-22-2011 |
| 20110226514 | ELECTRONIC DEVICE AND POWER CONVERTER - An electronic device includes an electronic component provided with leads. A printed circuit board has a front surface and a back surface and is provided with through holes and a groove hole. The through holes are capable of receiving the leads, respectively. The groove hole is formed so as to cross straight lines that connect the through holes. A first insulating spacer is provided on the groove hole between the leads so as to isolate the leads from each other and is positioned between the electronic component and the front surface of the printed circuit board. A second insulating spacer is inserted through the groove hole from the back surface of the printed circuit board and engages with the first insulating spacer so as to isolate end portions of the leads from each other. | 09-22-2011 |
| 20110224826 | ROBOT SYSTEM - A process includes defining, in a memory, arm-occupied regions including robot arms and a workpiece and tool attached to a robot wrist, a virtual safety protection barrier with which the arms are not allowed to come into contact, and movable ranges of robot axes; estimating the coasting angle of each robot axis for which the axis will coast when the robot is stopped due to an emergency stop while moving to a next target position, from an actually measured amount of coasting and the like; determining a post-coasting predicted position of the robot by adding the estimated coasting angles to the next target position; checking whether or not the arm-occupied regions at the post-coasting predicted position will come into contact with the virtual safety protection barrier, or whether or not the robot axes are within the movable ranges; and performing control to stop the robot immediately upon detection of abnormality. | 09-15-2011 |
| 20110222999 | INDUSTRIAL ROBOT - An industrial robot includes a hand on which a workpiece is placed, an arm that takes out the hand from a predetermined position of the workpiece and supplies the hand, an up-down moving mechanism connected to the arm by a support member, a pedestal provided at a lower portion of the up-down moving mechanism, and a pendulum stopper provided on a base on which the pedestal turns. | 09-15-2011 |
| 20110222995 | ROBOT SYSTEM AND TRANSFER METHOD - A workpiece in a container is held by a robot based on a result of detection of shape information in the container by a shape sensor, a holding condition of the workpiece held by the robot is inspected by an inspection device, and the workpiece is transferred to a subsequent step by the robot when the inspection device has determined that the holding condition of the workpiece is acceptable. When the inspection device has determined that the holding condition of the workpiece is unacceptable, the held workpiece is placed on a temporary placement table, the shape of the workpiece is again detected by detecting the workpiece using the shape sensor, and the workpiece is held and transferred to the subsequent step by the robot based on a result of the detection. | 09-15-2011 |
| 20110221284 | LINEAR MOTOR - The disclosure discloses a linear motor comprising: a field system in which a plurality of permanent magnets are linearly arranged: and an armature configured to face said field system and to have an armature core provided with armature windings, said linear motor running along a predetermined direction of travel with either said field system or said armature serving as a mover and the other serving as a stator, wherein: said armature core comprises: auxiliary teeth that are respectively provided on both ends along said direction of travel and around which said armature windings are not wound; and a plurality of main teeth that are provided between said auxiliary teeth, and each of said auxiliary teeth comprises an end portion shape in which a dimension in a teeth height direction orthogonal to said direction of travel is variable along said direction of travel. | 09-15-2011 |
| 20110219989 | LINEAR MOTOR AND TABLE FEED APPARATUS - A linear motor includes a field magnet unit, an armature unit, and a connecting unit. The field magnet unit includes a first field magnet yoke and a second field magnet yoke each of which has an odd number of permanent magnets arranged thereon in a longitudinal direction such that polarities of the permanent magnets are alternately different, where the first field magnet yoke and the second field magnet yoke are arranged such that respective permanent magnets are opposite to each other and that polarities of the opposite permanent magnets are different from each other. The armature unit is wound with a winding and is arranged between the first field magnet yoke and the second field magnet yoke. The connecting unit is configured by a magnetic substance and connects the first field magnet yoke and the second field magnet yoke. One of the field magnet unit and the armature unit moves relatively to the other. | 09-15-2011 |
| 20110217154 | GRASPING DEVICE, ROBOT SYSTEM, AND METHOD OF MANUFACTURING MECHANICAL PRODUCT - A grasping device includes a first member, a fixed member fixed to the first member, a first finger member fixed to one end of the first member, a slide mechanism fixed to the first member, a first slider member slidably attached to the slide mechanism, a second member fixed to the first slider member at one end thereof, a guide mechanism fixed to the second member, a second slider member slidably attached to the guide mechanism, a second finger member fixed to the second slider member, and a displacement increasing mechanism that transmits a relative displacement between the fixed member and the first slider member to the second slider member. | 09-08-2011 |
| 20110199032 | CONTROL APPARATUS FOR MATRIX CONVERTER - A control apparatus for a series-connected multi-level matrix converter includes each voltage commanding device provided for each of single-phase matrix converters to generate a voltage reference to each of the single-phase matrix converters. The series-connected multi-level matrix converter includes the single-phase matrix converters. Each of the single-phase matrix converters includes a snubber circuit and a DC voltage detecting section configured to detect a DC voltage of the snubber circuit to output a DC voltage detection value. ADC over-voltage detector is configured to output a DC over-voltage signal when the DC voltage detection value exceeds a set voltage value. A voltage modifying device is, when the DC over-voltage signal is outputted, configured to decrease the voltage reference to a corresponding single-phase matrix converter among the single-phase matrix converters based on a deviation between the DC voltage detection value and the set voltage value. | 08-18-2011 |
| 20110192247 | ROBOT AND METHOD FOR CONTROLLING THE ROBOT - A robot includes a base, a plurality of link mechanisms, at least one drive device, and a controller. The plurality of link mechanisms are provided on the base. Adjacent link mechanisms among the plurality of link mechanisms are connectable to each other. The at least one drive device is to bend and extend the plurality of link mechanisms. The controller is configured to control the at least one drive device. | 08-11-2011 |
| 20110188280 | ELECTRIC POWER CONVERTER - An electric power converter includes a cooler and an electronic circuit. The cooler includes a heat sink, a cooling fan, and a wind tunnel. A plurality of radiator fins are provided on a heat-sink base in the heat sink. The cooling fan is configured to feed cooling air through the plurality of radiator fins. The wind tunnel covers the plurality of radiator fins and the cooling fan. The electronic circuit includes a plurality of rectifiers and a plurality of input terminals. The plurality of rectifiers are provided on a side of the heat-sink base opposite to the plurality of radiator fins and are arranged side by side in a longitudinal direction of the heat-sink base. The plurality of input terminals are connected to the plurality of rectifiers with band-shaped conductors and are provided on a side of the plurality of rectifiers opposite to the heat sink. | 08-04-2011 |
| 20110185556 | ROBOT SYSTEM, ROBOT, AND METHOD OF MANUFACTURING PRODUCT - A robot system includes a robot, a controller, a workbench, and a workpiece component supplier. The robot includes a body, a first arm, a second arm, a first hand, and a second hand. The robot is configured to transfer at least one of a plurality of types of workpiece components from the workpiece component supplier to the workbench by simultaneously holding each of the plurality of types of workpiece components with the first hand of the first arm and the second hand of the second arm. The robot is configured to transfer remaining types of workpiece components among the plurality of types of workpiece components from the workpiece component supplier to the workbench by holding each of the remaining types of workpiece components with only one of the first hand of the first arm and the second hand of the second arm. | 08-04-2011 |
| 20110181130 | COOLANT-COOLED LINEAR MOTOR - In a coolant-cooled linear motor includes an armature including armature windings and a cooling jacket arranged to surround the armature windings, the cooling jacket unit includes four cooling jackets defining four side faces parallel to the extension direction of the armature and two end blocks defining two opposite end faces in the extension direction of the armature, the cooling jackets and the end blocks being connected to one another in a box shape. Each of the cooling jackets has an internal space to be supplied with a coolant; and a field magnet unit includes a yoke made of a ferromagnetic material and permanent magnets arranged in the yoke, one of the armature and the field magnet unit making relative movement with respect to the other. | 07-28-2011 |
| 20110175274 | PRODUCTION SYSTEM - A production system includes a workpiece stocker, a dual-arm robot, and a second robot. A workpiece is to be placed on the workpiece. The dual-arm robot is arranged at a transportation access portion of the workpiece stocker. The second robot is arranged to face a forward portion of a torso of the dual-arm robot. | 07-21-2011 |
| 20110174793 | ROBOT SYSTEM HAVING POSITIONER - A robot system includes a work object, a robot that carries out work on the work object, and a positioner that positions the work object, and the robot is mounted on a mount of the positioner. | 07-21-2011 |
| 20110169441 | SYNCHRONOUS CONTROL APPARATUS - A synchronous control apparatus to synchronously control a plurality of motors with respect to a control subject includes a command device and a plurality of motor control devices. The control subject includes the motors, a plurality of position detectors configured to detect a plurality of position information of the motors respectively, and at least one coupler connecting movable axes of the motors. The command device includes a first position controller which is configured to compute a work position based on the position information detected by the position detectors and which is configured to compute, based on a difference between a position command and the work position, a new position command. Each of the motor control devices includes a second position controller configured to compute commands to drive the plurality of motors based on a difference between the new position command and the position information. | 07-14-2011 |
| 20110169368 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a stator including a stator core and a rotor. The stator core includes an annular-shaped first stack core and an annular-shaped second stack core. The first stack core includes first core pieces and first couplers. The first core pieces are spirally stacked. The first couplers mutually couple the first core pieces. The second stack core includes second core pieces and second couplers. The second core pieces are spirally stacked. The second couplers mutually couple the second core pieces. An outside shape of the second stack core is larger than an outside shape of the first stack core in a radial direction. The first stack core and the second stack core are alternately arranged in a stack direction. The rotor is provided on an inner peripheral side of the first stack core and the second stack core. | 07-14-2011 |
| 20110169364 | ROTOR FOR USE IN IPM ROTATING ELECTRIC MACHINE, AND IPM ROTATING ELECTRIC MACHINE PROVIDED WITH THE ROTOR - A rotor includes a rotor core; and first permanent magnets and second permanent magnets arranged in the rotor core so that, on a cross-sectional plane of the rotor core perpendicular to the rotation axis thereof, the first and second magnets corresponding to each other define the letter V having an apex pointing toward the rotation axis. The first and second magnets corresponding to each other are arranged so that a straight line interconnecting the rotation axis and the apex of the letter V is interposed therebetween, an angle of the first magnet relative to the straight line being smaller than that of the second magnet relative to the straight line, a width of the first magnet in the direction parallel to the first side of the letter V being smaller than that of the second magnet in the direction parallel to the second side of the letter V. | 07-14-2011 |
| 20110169354 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a rotor and a stator including an annular stator core formed by helically stacking a plurality of core pieces that are connected to each other by connecting portions, the rotor being disposed inside an inner periphery of the stator core. The connecting portions are linearly arranged along a stacking direction of the stator core so that grooves that extend in the stacking direction of the stator core are formed in an outer peripheral surface of the stator core at positions where the connecting portions are provided. | 07-14-2011 |
| 20110169352 | MOTOR AND VEHICLE - This disclosure discloses a motor comprising: a motor main body; and a winding switching unit configured to switch windings of the motor main body; the motor main body including: a motor housing that a first coolant channel is formed inside; and a stator having the windings and fixed to an inner surface of the motor housing, the winding switching unit including: a winding switching housing that a second coolant channel is formed inside and being disposed on an outer surface of the motor housing, and heat-generating components disposed at an outer surface of the winding switching housing and used to switch the windings. | 07-14-2011 |
| 20110164350 | CONTROL UNIT SIDE BY SIDE - This disclosure discloses a control unit comprising a plurality of controllers, each controller having a bus bar portion having: a left and a right bus bar holder; an upper and an lower common bus bar; an upper and an lower rotating bus bar; a upper and a lower connecting body; wherein each bus bar holder has protrusions forming a gap, the upper and the lower rotating bus bar are configured to be changed between a first mode that the upper and the lower rotating bus bar engages rotatably with the left bus bar holder, and a second mode that the upper and the lower rotating bus bar are tightened and secured to the left bus bar holder, and the upper and the lower rotating bus bar of one controller in the second mode is connected in close contact with the upper and the lower common bus bar of another controller. | 07-07-2011 |
| 20110149624 | POWER CONVERSION APPARATUS - A power conversion apparatus includes two power conversion circuits, two direct-current inductors, and a pulse-width-modulation control circuit. One of the two power conversion circuits is connected in parallel to a direct-current load or a single-phase alternating-current load, and the other of the two power conversion circuits is connected in parallel to a three-phase alternating-current load. The two power conversion circuits are connected in reverse polarity to each other via the two direct-current inductors. The pulse-width-modulation control circuit pulse-width-modulates the two power conversion circuits, allows switching between the two power conversion circuits, and realizes a bidirectional step-up/down operation between the direct-current load or single-phase alternating-current load and the three-phase alternating-current load. | 06-23-2011 |
| 20110140330 | ROBOT SYSTEM - The present invention provides a robot system in which a robot and a positioner are combined with each other. In the robot system, footprint is reduced and a production line having a short tact time between steps is formed. The robot system includes a work object, robots that perform a work operation on the work object, and positioners that position the work object, wherein the robots are provided on frame members of the positioners. | 06-16-2011 |
| 20110135437 | HORIZONTAL MULTI-JOINT ROBOT AND TRANSPORTATION APPARATUS INCLUDING THE SAME - A third arm is provided in addition to an end effecter, a first arm and a second arm. The third arm performs swinging and turning motion until a third rotational axis is aligned with an extension of an axial line on an access position. Then, the end effecter moves linearly to transport a workpiece from and to the access position. | 06-09-2011 |
| 20110127870 | ROTOR FOR PERMANENT-MAGNET MOTOR, PERMANENT-MAGNET MOTOR, AND METHODS OF MANUFACTURING THE SAME - A rotor for a permanent-magnet motor includes a rotor-core surface, a plurality of ridges provided on the rotor-core surface and extending in an axial direction of the rotor, a plurality of areas defined by the ridges, and a plurality of permanent magnets provided on the rotor-core surface within the areas and arranged along sidewalls of the ridges, the sidewalls being on one side in a peripheral direction of the rotor. | 06-02-2011 |
| 20110127543 | SEMICONDUCTOR DEVICE - A semiconductor device includes a substrate, a semiconductor element disposed on the main surface of the substrate and generating a heat of 200° C. or more, an enclosure surrounding the semiconductor element, and a liquid sealant containing a heat-resistant oil. The enclosure controls the flow of the sealant and seals the semiconductor element. | 06-02-2011 |
| 20110123305 | TRANSFER ROBOT - A transfer robot includes a hand section, a horizontal arm mechanism, and a lift mechanism. An object is to be placed on the hand section. The horizontal arm mechanism is connected to the hand section and includes at least two rotary joints. The horizontal arm mechanism is configured to extend and contract so as to move the hand section along one direction. The lift mechanism is configured to move the horizontal arm mechanism up and down and includes a plurality of link mechanisms disposed on a base member. The horizontal arm mechanism is disposed between parts of the lift mechanism when the horizontal arm mechanism is moved to a lowest position. | 05-26-2011 |
| 20110120253 | ARM MECHANISM, AND VACUUM ROBOT PROVIDED WITH THE SAME - A first decelerator is placed in an arm base such that a lower end of a decelerator shaft is bared in the arm base. A first arm has a hermetic space which becomes equal in pressure to a hermetic space of the arm base when an upper end of the hollow decelerator shaft is inserted thereinto, and is secured to a first decelerator output shaft. A second decelerator is placed on a distal end of the first arm, and has an input shaft connected to the decelerator shaft. A second arm is secured to an output shaft of the second decelerator, and has no hermetic space formed therein. A link mechanism follows the first and second arms. | 05-26-2011 |
| 20110116295 | CONTROL DEVICE FOR MATRIX CONVERTER - A control device for a matrix converter includes an input voltage detector, an output current detector, a pulse width modulator, and an input voltage command calculator. The input voltage detector is configured to detect an input voltage of the matrix converter. The output current detector is configured to detect an output current of the matrix converter. The pulse width modulator is configured to generate a PWM pulse command signal by using the input voltage, the output current, and an output line voltage command. The input voltage command calculator is configured to calculate an input voltage command of the matrix converter. | 05-19-2011 |
| 20110108305 | POSITIONER AND COMPOSITE CURL CORD - In a positioner according to the present invention, the rotating table and a hollow shaft is rotated by a motor via a speed reduction gear. In such a configuration, an air tube and a cable which supplies the air or electric power used to operate a jib on the rotating table are provided via the rotary joint arranged at one end of the shaft. A communication device may be provided on the rotating table by detaching the rotary joint and arranging a composite curl cord. The communication device may be provided by the rotary joint and a wireless communication device without using the composite curl cord. | 05-12-2011 |
| 20110107866 | ROBOT - A robot includes a base and an arm formed by a plurality of members connected by a plurality of joints. The arm has an offset portion where a rotation axis of a certain joint is offset from a rotation axis of the next joint in a predetermined direction and the rotation axis of the next joint is offset from a rotation axis of a joint next to the next joint in a direction opposite the predetermined direction. | 05-12-2011 |
| 20110101896 | LINEAR MOTOR DEVICE - Provided is a linear motor device which is compact even when a stroke is increased, which can reduce heat generation, and which can eliminate damping force caused by circulating current. The linear motor device includes a linear motor that includes a movable member having a plurality of fields and a stator in which a plurality of armatures including polyphase coils are arranged in line in the moving direction of the movable member, and a controller that sequentially outputs control commands to current amplifiers respectively connected to the armatures in accordance with the relative position of the movable member. The controller selectively outputs the control commands to only the current amplifiers corresponding to the armatures which are opposite the movable member such that the armatures are positioned within a range corresponding to the length in the moving direction of the movable member. | 05-05-2011 |
| 20110098859 | ROBOT SYSTEM AND WORKPIECE PICKING METHOD - A robot system includes a robot. A robot control device is configured to control an operation of the robot, and includes a workpiece shape memory configure to store a shape of workpieces. A shape sensor is configured to detect shape information about the workpieces. A target workpiece detector is configured to detect a graspable workpiece based on the shape information detected by the shape sensor. A grasping information memory is configured to store a grasping position indicating which portion of the graspable workpiece is to be grasped by the robot. A grasping operation controller is configured to control the robot to grasp the graspable workpiece detected by the target workpiece detector and to pick the grasped workpiece. A disturbing operation controller is configured to control, if no graspable workpiece is detected by the target workpiece detector, the robot to perform a workpiece disturbing operation. | 04-28-2011 |
| 20110093120 | APPARATUS AND METHOD FOR ADJUSTING PARAMETER OF IMPEDANCE CONTROL - An apparatus has a parameter initial value calculator, a force reference impression part, an evaluation data measurement part, an allowable value setting part, a viscosity parameter calculator, an end determining part, and an inertia parameter adjusting part. The force reference impression part intermittently supplies a force reference to an impedance controller. The evaluation data measurement part measures setting time of time response, an overshoot amount, and the number of vibration times. The allowable value setting part sets allowable values of the overshoot amount and the setting time. The viscosity parameter calculator calculates a viscosity parameter with which the setting time becomes shortest. The end determining part determines the end or continuation of the process by comparing the adjustment values with the allowable values. The inertia parameter calculator adjusts the inertia parameter according to the adjustment values of the overshoot amount and the setting time. | 04-21-2011 |
| 20110087374 | ROBOT SYSTEM - First calculation means calculates a TCP velocity error vector Verr when wrist axes performs rotational following movement, second calculation means selects a component, including the sign, of the TCP velocity error vector Verr, third calculation means decomposes the selected velocity error vector into a joint velocity vector ωerr, fourth calculation means integrates the joint velocity ωerr and calculates a position correction amount vector θadd, and the position correction amount vector θadd is fed back to position control means with torque limits. | 04-14-2011 |
| 20110080124 | INVERTER APPARATUS, INVERTER CONTROL SYSTEM, MOTOR CONTROL SYSTEM, AND METHOD OF CONTROLLING INVERTER APPARATUS - An inverter apparatus according to the invention includes a heat sink, an inverter that includes a semiconductor device and that is attached to the heat sink, detectors that detect the temperature of the inverter, an estimator that calculates estimated values of the thermal resistance and the thermal capacity of the heat sink on the basis of the temperature detected by the detectors, and a controller that controls driving of the inverter on the basis of the estimated values. | 04-07-2011 |
| 20110069390 | ROTARY ENCODER, ROTARY MOTOR, ROTARY MOTOR SYSTEM, DISK, AND METHOD OF MANUFACTURING ROTARY ENCODER - An encoder includes a disc-shaped disk disposed so as to be rotatable about a rotation axis and having at least one ring-shaped track in which a rotating grating is formed and at least one fixed grating which is fixedly disposed opposed to the disk so that the fixed grating and the rotating grating construct a diffraction interference optical system. Each of a plurality of slits included in the at least one rotating grating is formed along a curved line obtained by making each of a plurality of radial lines using the rotation axis as a center curved in the circumferential direction at a predetermined curve degree so that a pitch of the slits can be set to a predetermined value. | 03-24-2011 |
| 20110068731 | LINEAR ENCODER, LINEAR MOTOR SYSTEM, AND METHOD OF MANUFACTURING LINEAR ENCODER - An encoder includes: a main scale having two or more band-shaped tracks in each of which an optical main grating is formed so that longitudinal direction of the main scale corresponds to a measurement axis direction; and an index scale opposed to the main scale so as to form a diffraction interference optical system in cooperation with the main grating, disposed so as to be movable relative to the main scale in the measurement axis direction, and in which two or more optical index gratings are formed. A plurality of slits included in the main grating in at least one track are formed so as to be inclined at a predetermined inclination angle from a direction perpendicular to the measurement axis direction so that pitch of the slits in the track becomes equal to the pitch of the slits in the at least one other track. | 03-24-2011 |
| 20110064554 | ROBOT MANIPULATOR AND ROBOT SYSTEM - A robot manipulator includes a plurality of joint shafts including at least first and second joint shafts. If the robot manipulator extends vertically with respect to a rotation center of the first joint shaft that rotates in a horizontal plane, a rotation center of the second joint shaft that rotates in another horizontal plane is offset from the rotation center of the first joint shaft. | 03-17-2011 |
| 20110057713 | POWER MODULE - The present invention provides a power module in which a first semiconductor device disposed on a first substrate and a second semiconductor device disposed on a second substrate are disposed at symmetrical positions with a third substrate interposed therebetween. | 03-10-2011 |
| 20110057533 | ROTATING ELECTRICAL MACHINE - This invention provides a rotating electrical machine including a rotor that has an even number of first permanent magnets aligned in a circumferential direction of the rotor, second permanent magnets of a number equal to that of the first permanent magnets, provided respectively between the stator and circumferential ends of the first permanent magnets adjacent to each other in the circumferential direction, and core pieces of a number equal to that of the first permanent magnets, provided respectively between the second permanent magnets adjacent to each other in the circumferential direction. | 03-10-2011 |
| 20110056771 | ELEVATOR CONTROL DEVICE - An elevator control device includes a vector controller that calculates a voltage command required for driving an elevator cage, a carrier frequency switch circuit that outputs a carrier frequency signal, and a power converter that performs PWM control based on the voltage command and the carrier frequency signal, generates an AC power and supplies the AC power to an AC motor. The carrier frequency switch circuit changes the carrier frequency signal when a torque command for driving the AC motor reaches a torque limit value. Thus, it is possible to continuously operate an elevator without causing damage to a switching element of the power converter. | 03-10-2011 |
| 20110054682 | ROBOT SYSTEM - A robot system includes a crane unit, a crane moving mechanism, a manipulator unit, and a controller. The crane unit is configured to suspend a workpiece. The crane moving mechanism allows the crane unit to move in a horizontal direction. The manipulator unit holds and moves the crane unit supporting the workpiece. The controller is configured to control the crane unit to support the workpiece at a first position and control the manipulator unit to move the crane unit supporting the workpiece toward a second position and to place the supported workpiece at the second position. | 03-03-2011 |
| 20110050135 | OUTPUT FILTER AND MOTOR DRIVE SYSTEM INCLUDING THE SAME - An output filter includes a polyphase common-mode filter having a polyphase common-mode choke connected to an output of a power converter at one end, a first polyphase capacitor connected to the other end of the polyphase common-mode choke at one end, and a neutral-point detecting transformer connected to the other end of the first polyphase capacitor at one end; a capacitor/resistor series-connected body connected to a frame ground of the power converter at one end and connected to the other end of the neutral-point detecting transformer at the other end; and a polyphase normal-mode filter having a polyphase normal-mode choke connected to the other end of the polyphase common-mode choke at one end, and a second polyphase capacitor connected to the other end of the polyphase normal-mode choke at one end and having the other ends connected together and further connected to the one end of the capacitor/resistor series-connected body. | 03-03-2011 |
| 20110043054 | MULTIHEAD-TYPE CORELESS LINEAR MOTOR - A multihead-type coreless linear motor includes a permanent field magnet having P permanent magnets that are arranged such that different magnetic poles appear alternately, and an armature having M armature coils that are closely wounded and connected in three phases. One of the armature and the permanent field magnet is configured as a moving part and the other is configured as a stator. A plurality of moving parts are arranged on the same stator and are driven separately. In this multihead-type coreless linear motor, the plurality of moving parts includes a large-thrust moving part and a small-thrust moving part that are different in relationship with the stator, the relationship being determined by the number of magnetic poles P of the permanent magnets and the number of armature coils M. | 02-24-2011 |
| 20110043053 | LINEAR AND CURVILINEAR MOTOR SYSTEM - A linear and curvilinear motor system includes: linear and curvilinear guiding devices movably guiding and respectively supporting right and left of a slider, each having a guide rail configured by linear tracks and a circular arc track and slider blocks; a motor unit having a stator with a stator linear section and a stator circular arc section and a mover with a linear section and provided for the slider and away from the stator with a gap interposed therebetween; and an encoder head and a hole sensor detecting positions of the linear tracks and the circular arc track. When a magnetic pole pitch of the linear section of the stator is a distance λm and a magnetic pole pitch of the circular arc section of the stator is an angle γm, a radius r of the circular arc track at the position detection point is defined as r=λm/γm. | 02-24-2011 |
| 20110032674 | POWER CONVERSION APPARATUS - A power conversion apparatus includes a casing and an inverter unit housed in the casing. The inverter unit includes a unit case, a capacitor block removably provided at a position on an inner side of a detachable side plate of the unit case, and a fan block placed in the unit case in such a manner as to be removable from a front side. The capacitor block includes a capacitor case having a plurality of capacitor insertion holes, a plurality of electrolytic capacitors placed in the capacitor insertion holes, respectively, and a laminated bus bar connected to the electrolytic capacitors. The fan block includes a fan case and a cooling fan provided in the fan case. | 02-10-2011 |
| 20110012462 | ROTATING ELECTRICAL MACHINE - Permanent-magnet holding projections provided at end portions of adjacent segment core pieces that face each other have connecting portions at the centers of the permanent-magnet holding projections. Permanent-magnet holding projections included in the segment core pieces that are on either side of the permanent-magnet holding projections having the connecting portions in a thickness direction are provided with receiving portions for receiving bulging portions that bulge in the thickness direction when the connecting portions are bent. | 01-20-2011 |
| 20110012440 | PERIODIC MAGNETIC FIELD GENERATION DEVICE, AND LINEAR MOTOR AND ROTARY MOTOR USING THE SAME - A periodic magnetic field generation device is provided with a field pole of a Halbach array structure in which main pole permanent magnets magnetized in a direction of a generated field and sub pole permanent magnets magnetized in a direction opposite to the direction of magnetic poles of the main pole permanent magnets are alternately disposed linearly or circularly so as to be adjacent to each other. A part of each of the main pole permanent magnets on a side on which the magnetic field is generated is replaced by a soft magnetic member, and a relation between a length A of the soft magnetic member on the side of the generated field along a moving direction and a length B of each main pole permanent magnet on a side of a back yoke along the moving direction is A| 01-20-2011 | |
| 20110010011 | ROBOT - A robot includes an arm including a plurality of joints, arm members that form the arm, each arm member supporting a load, actuators that drive the joints and that are supported by the arm members, a load sensor embedded in at least one of the arm members to measure the load applied to the at least one of the arm members, a controller that controls movements of the actuators on the basis of a result of the measurement performed by the load sensor, and a wire hole through which a sensor line extend from a space inside the at least one of the arm members to a space inside the arm, the sensor line connecting the load sensor to the controller. | 01-13-2011 |
| 20100329832 | SHAPE MEASURING APPARATUS AND ROBOT APPARATUS INCLUDING THE SAME - A housing including a base and cover has an open space that is open to the atmosphere and a closed space that is closed to the atmosphere. The open space contains a laser having a low operating temperature. The closed space contains a heat generating element and the like, which have higher operating temperatures than the laser. The heat generating element is in close contact with the base, which also serves as a heatsink, so that the heat generating element is cooled. Most parts of a motor, which is a heat generating member, are disposed in the closed space. A fan is diagonally disposed with respect to side surfaces of the heat generating element, which has a rectangular shape and flat side surfaces, so as to efficiently blow air toward the heat generating element disposed in the closed space. | 12-30-2010 |
| 20100327669 | MULTI-DEGREE-OF-FREEDOM ACTUATOR AND STAGE DEVICE - A multi-degree-of-freedom actuator includes a movable element having a plurality of permanent magnets, and a stator including a stator core and a plurality of coils. The permanent magnets are arranged in the X direction such that the number P of poles is an even number of two or more. The coils are of two types: X-direction driving coil and Z-direction driving coil. The Z-direction driving coils the number of which is P are disposed at positions opposite to magnetic poles of the permanent magnets. The X-direction driving coil or coils the number of which is P/2 are each disposed at a position opposite to an intermediate point between two adjacent ones of the magnetic poles of the permanent magnets. | 12-30-2010 |
| 20100324737 | SHAPE DETECTION SYSTEM - A shape detection system includes a distance image sensor that detects an image of a plurality of detection objects and distances to the detection objects, the detection objects being randomly arranged in a container, a sensor controller that detects a position and an orientation of each of the detection objects in the container on the basis of the result of the detection performed by the distance image sensor and a preset algorithm, and a user controller that selects the algorithm to be used by the sensor controller and sets the algorithm for the sensor controller. | 12-23-2010 |
| 20100320847 | LINEAR MOTOR ARMATURE AND LINEAR MOTOR - A linear motor armature includes a plurality of armature core blocks that are linearly connected to each other, each armature core block being formed of a stack of a plurality of armature cores that are substantially I-shaped, each armature core block including teeth portions around which armature coils are wound, the teeth portions being provided in two end portions of the armature core block in a longitudinal direction of the armature core block, and a step portion extending in a direction perpendicular to the longitudinal direction of the armature core block, the step portion being provided at a center of the armature core block and having a width larger than a width of the teeth portions, wherein an attachment hole for fixing each of the plurality of armature core blocks to an external armature attachment plate is formed in each of two side portions of the step portion. | 12-23-2010 |
| 20100319478 | HOLLOW ACTUATOR WITH BILT-IN REDUCTION GEAR - A hollow actuator with a built-in reduction gear includes a motor having an output shaft, and a reduction gear having an input shaft, the output shaft and the input shaft being provided separately from one another. The actuator also includes a motor section and a brake section disposed on a non-load side of the motor section. A bearing is attached to an inner periphery of the brake section. Another bearing that is different from the bearing provided on the inner periphery of the brake section rotatably supports the output shaft of the motor section. | 12-23-2010 |
| 20100315073 | MAGNETIC ENCODER APPARATUS AND MANUFACTURING METHOD THEREFOR - Provided are a magnetic encoder apparatus, which can accurately perform angle detection, wherein at very accurate positions, magnetic field detection elements are mounted on a fixed member, and wherein the positions of the magnetic field detection elements are little changed due to temperature, and a method for manufacturing the magnetic encoder apparatus. | 12-16-2010 |
| 20100308757 | ALTERNATING-CURRENT MOTOR CONTROL APPARATUS - An alternating-current motor control apparatus includes an inverter unit, a current-command divider, a current controller, a torque-variation calculator, and a phase angle generator. The inverter unit is configured to output a command voltage to an alternating-current motor. The current-command divider is configured to divide a command current amplitude into command current components based on a phase-angle command value that is a sum of the phase angle and an alternating current signal. The current controller is configured to control current to match a motor current flowing through the motor with the command current components. The torque-variation calculator is configured to calculate a motor electric power based on the command voltage and either the motor current or the command current components and to calculate a torque variation based on the motor electric power. The phase angle generator is configured to generate a phase angle based on the torque variation. | 12-09-2010 |
| 20100298974 | ROBOT AND CONVEYING SYSTEM - A robot includes an arm member, a rotary actuator that swings the arm member, a hand member provided at an end of the arm member, a joint member that connects the arm member and the hand member to each other such that the arm member and the hand member are rotatable with respect to each other, a linear actuator that supports and linearly moves the rotary actuator, and a controller that operates the rotary actuator and the linear actuator in association with each other to linearly move the hand member in a forward-backward direction. | 11-25-2010 |
| 20100296246 | FAN UNIT AND ELECTRONIC APPARATUS INCLUDING THE SAME - A fan unit holds a cooling fan and is detachable from a main body of an inverter apparatus. The fan unit is provided with a fan-unit retainer plate having keyhole-shaped apertures and provided between an upper case and a lower case. The fan unit is fixed by pressing the fan-unit retainer plate with fixing screws. The fan unit is easily and reliably removed by moving the fan-unit retainer plate without directly moving the fan unit and without removing the fixing screws. | 11-25-2010 |
| 20100295497 | MOTOR CONTROL DEVICE AND MOTOR CONTROL SYSTEM - A motor control device includes a position command filter. The position command filter is configured to filter a position command in accordance with a predetermined filter constant. A controller is configured to output a torque command to control a motor based on the filtered position command and based on a detected position of the motor such that the position of the motor follows the filtered position command. A power converter is configured to apply a voltage command based on the torque command to a motor winding in the motor. A shift amount calculator is configured to calculate a shift amount of the motor per sampling time based on the position command. A filter constant setting part is configured to set the filter constant of the position command filter based on the shift amount. | 11-25-2010 |
| 20100292843 | ROBOT SYSTEM - A robot system includes a robot and a robot controller including a drive unit, a memory that stores an arm-occupied region and a movement-forbidden region, a target position calculation unit that outputs a target position of a tool or a workpiece, a movement-forbidden region entry monitoring unit that checks whether the arm-occupied region based on the target position enters the movement-forbidden region and outputs a stop request if it is checked that the arm-occupied region enters the movement-forbidden region, and a predicted-coasting-position calculating unit that calculates a predicted coasting position of each axis and a coasting position of the tool or the workpiece in the case that the robot is urgently stopped. The movement-forbidden region entry monitoring unit checks whether the arm-occupied region at the coasting position enters the movement-forbidden region and outputs another stop request if it is checked that the arm-occupied region enters the movement-forbidden region. | 11-18-2010 |
| 20100288742 | ARC WELDING METHOD - A consumable electrode type arc welding method for generating arc between a plate-shaped work and a welding wire by a mixed shield gas including argon gas to weld the plate-shaped work, includes:
| 11-18-2010 |
| 20100283351 | LAMINATED SPIRAL CORE, DYNAMO-ELECTRIC-MACHINE ROTOR PROVIDED THEREWITH, AND DYNAMO-ELECTRIC MACHINE - A laminated spiral core includes core units and a plurality of swage portions. The core units form a rotor core. The core units have permanent-magnet attachment portions in which permanent magnets are to be disposed. Each of the core units has an arc shape. The plurality of swage portions connect the core units by swage-joining when the core units are spirally stacked in a predetermined number of layers. The plurality of swage portions are provided in the core units in a wave-shape to face the permanent-magnet attachment portions and provided at positions where an influence of magnetic flux paths in a rotor is minimal. | 11-11-2010 |
| 20100268998 | MASTER/SLAVE COMMUNICATION SYSTEM - A master includes a unit configured to register, for each slave, an expected communication time needed to exchange control data; a unit configured to register a slave in which a communication error is detected during exchange of the control data in a communication period; and a unit configured to re-execute exchange of the control data with the registered slave in the same communication period as that in which the communication error is detected. The unit configured to re-execute exchange of control data calculates a remaining resending time that can be used to re-execute exchange of the control data and, when the remaining resending time is longer than the expected communication time of the registered slave, resends the control data. | 10-21-2010 |
| 20100268386 | ROBOT SYSTEM - A robot system includes at least one robot, robot controllers configured to control the robot, and pendants. The robot controllers include robot group control units each having an operating mode storage unit to store operating mode information to select a robot. The pendants include an enabling device to turn on and off drive power to the robot. The robot group control units are connected via an enable-link-signal line. Each robot group control unit is configured to output an enable link signal by operating the enabling device included in a corresponding pendant to transmit the enable link signal via the enable-link-signal line to all of the robot group control units. Each robot group control unit is configured to output a drive-power-on enable signal to turn on and off drive power to the robot in accordance with the enable link signal and the operating mode information. | 10-21-2010 |
| 20100242748 | PRESS MACHINE - A press machine includes a cushion shaft, a press shaft, a motor, and a motor control device. The cushion shaft is connected to a lower die. The press shaft is connected to an upper die and configured to press a workpiece between the upper die and the lower die in cooperation with the cushion shaft. The motor is configured to drive the upper die. The motor control device is configured to control the motor and includes a disturbance observer and an intrusion detector. The disturbance observer is configured to calculate an estimated disturbance value with respect to the motor based on a torque command and a motor velocity of the motor. The intrusion detector is configured to detect, based on the estimated disturbance value, a state of a foreign object between the press shaft and the cushion shaft. | 09-30-2010 |
| 20100237815 | APPARATUS FOR SWITCHING WINDINGS OF AC THREE-PHASE MOTOR - A winding switching apparatus for switching windings of an AC three-phase motor is provided. In each winding switching section of the winding switching apparatus, a positive-side charging resistor, a negative-side charging resistor, and a capacitor are connected in series between a positive-side DC bus and a negative-side DC bus of an inverter; the positive side of the capacitor is connected to the cathodes of respective diodes of a diode unit; and switching between high-speed windings and low-speed windings is carried out, with a capacitor potential being the same as an inverter DC bus voltage. A state detector and a comparator are also provided for each winding switching section to detect erroneous wiring and component abnormalities. | 09-23-2010 |
| 20100229671 | INDUSTRIAL ROBOT - The present invention provides an industrial robot, wherein a cable or the like spanned between an end effector and an upper arm has less bending due to a motion of a wrist portion, wherein the cable or the like does not twine around the upper arm, and wherein the cable or the like does not interfere with a peripheral device. | 09-16-2010 |
| 20100229670 | INDUSTRIAL ROBOT AND CONTROL METHOD - An industrial robot includes a hollow chamber rotatably supported by a base, an arm rotatably supported by the hollow chamber, and drive devices provided in the hollow chamber and configured to drive the arm. | 09-16-2010 |
| 20100228697 | APPARATUS FOR SELECTING MOTOR CONTROLLER - Provided is an apparatus for selecting a motor controller, the apparatus including a selection calculation unit, an input unit, an output unit, a mechanism condition input unit, a command setting unit, a monitoring unit, and an evaluation unit. The apparatus can select a motor controller registered in the characteristics database and machine parts registered in a mechanism condition characteristics database on the basis of an operation pattern and a mechanism condition. The apparatus can evaluate whether a combination of the motor controller and the machine parts is operable as a machine system. | 09-09-2010 |
| 20100224768 | OPTICAL ENCODER, MOTOR, AND MOTOR SYSTEM - An optical encoder includes a rotation disc, an annular slit, a light source, an absolute-value-related detecting unit, and a signal processing device. The annular slit includes a first annular slit and a second annular slit which are decentered in a mutually different direction. The light source is configured to irradiate light on the annular slit. The absolute-value-related detecting unit is configured to detect transmitted light or reflected light irradiated from the light source and transmitted or reflected at the annular slit to output a detected signal. The absolute-value-related detecting unit includes a first detecting unit corresponding to the first annular slit and a second detecting unit corresponding to the second annular slit. The signal processing device is configured to detect an absolute rotational angle of the rotation disc based on the detected signal output from the absolute-value-related detecting unit. | 09-09-2010 |
| 20100223024 | SYSTEM IDENTIFICATION DEVICE - This invention provides a system identification device capable of identifying an inertia moment in an electric motor and a viscous friction through only a very small operation. System identification device provides a position amplitude calculator for outputting a position amplifier; a position torque command integral value multiplier for outputting a position torque command integral value multiplication value; a position torque command integral value average calculator for inputting the position torque command integral value multiplication value and then outputting an average of a position torque command integral value; a speed torque command integral value multiplier for outputting a speed torque command integral value multiplication value; a speed torque command integral value average calculator for inputting the speed torque command integral value multiplication value and then outputting an average of a speed torque command integral value; and a first inertia moment and viscous friction calculator for calculating identification values of inertia moment and viscous friction from the position amplitude, the average of the position torque command integral value and the average of the speed torque command integral value. | 09-02-2010 |
| 20100219780 | MOTOR CONTROL APPARATUS - A motor control apparatus includes a current control unit which is configured to calculate dq-axis voltage commands to match d-axis and q-axis current commands with d-axis and q-axis currents of a motor current, respectively. A power conversion circuit is configured to drive the motor. A modulation factor command unit is configured to determine a modulation factor command. A modulation wave command unit is configured to determine modulation wave commands. A pulse width modulation generating unit is configured to generate a pulse width modulation pattern. A modulation factor saturation level calculating unit is configured to determine a modulation factor saturation level. A field-weakening control unit is configured to correct the d-axis current command. | 09-02-2010 |
| 20100214055 | ELECTRIC VEHICLE INVERTER APPARATUS AND PROTECTION METHOD THEREFOR - In an electric vehicle inverter apparatus | 08-26-2010 |
| 20100209225 | SUBSTRATE TRANSFER ROBOT, SUBSTRATE TRANSFER DEVICE, SEMICONDUCTOR MANUFACTURING APPARATUS, AND METHOD FOR PRODUCING SEMICONDUCTOR - A substrate transfer robot includes a substrate gripping portion, an arm unit, and a controller. The substrate gripping portion is configured to hold a substrate. The arm unit includes a plurality of arms which are capable of turning in a horizontal plane. The arm unit has the substrate gripping portion at a leading end of the arm unit and is configured to transfer the substrate between a plurality of taught positions taught beforehand. When the taught positions are taught, the controller is configured to generate an access standby position corresponding to each of the plurality of taught positions and configured to generate and store a plurality of routes from the access standby position to a minimum turning posture of the substrate transfer robot. | 08-19-2010 |
| 20100207555 | ALTERNATING-CURRENT MOTOR CONTROL APPARATUS - An alternating-current motor control apparatus includes a voltage controller configured to output a command voltage vector so that the command voltage vector is time-averaged for time periods, a square-wave voltage generator configured to control, every time period, amplitudes and phases of voltages to be applied to an alternating-current motor, a current detector configured to detect motor currents at a timing synchronized with periods 1/N-th of the time periods, where N is equal to or larger than one, a coordinate transformation section configured to perform coordinate transformation to transform the motor currents into two-phase currents, an envelope extractor configured to extract two-phase currents as waveforms having amplitudes that periodically change from the two-phase currents, and extract envelopes of the waveforms, and a magnetic-pole-position computing section configured to compute a magnetic-pole position using the envelopes. | 08-19-2010 |
| 20100199797 | TRANSFER ROBOT, TRANSFER METHOD, AND CONTROL METHOD - A transfer robot includes a hand section on which an object is placed; a horizontal arm mechanism connected to the hand section, the horizontal arm mechanism including at least two rotary joints, the horizontal arm mechanism extending and contracting so as to move the hand section along one direction, the horizontal arm mechanism being disposed so as to face in an axial direction; and a lift mechanism including a link mechanism that moves the horizontal arm mechanism up and down, wherein the lift mechanism includes at least two sets of link mechanisms disposed on a base member, and wherein the horizontal arm mechanism is disposed between parts of the lift mechanism when the horizontal arm mechanism is moved to a lowest position. | 08-12-2010 |
| 20100194327 | MOTOR CONTROLLER - A motor controller capable of detecting an oscillation of a feedback loop and performing gain adjustment while updating a gain value of a control unit is provided. The motor controller includes an electric motor, an operation-amount detector, a control unit, a machine, a disturbance signal generator which generates a sweep sine wave, a compensation-driving-force detector, a vibration calculator, an oscillation detector, a vibration storage, a simulated open-loop gain calculator, a gain changer, and an automatic gain changer, and detects an oscillation by processing a response signal in time series on the basis of a first threshold regarding to a magnitude of vibration and a second threshold regarding a frequency. | 08-05-2010 |
| 20100165687 | OUTPUT INVERTER FOR SINGLE PHASE AND OUTPUT CURRENT DETECTING METHOD THEREOF - There are provided an output inverter for single phase which can detect a current with high precision through a smaller number of components, and an output current detecting method thereof. A first current detector ( | 07-01-2010 |
| 20100164429 | INVERTER CONTROL APPARATUS - An inverter control apparatus includes: a state estimator that calculates an estimated current vector and an estimated magnetic flux vector from a motor command voltage vector, a detected current vector, and a motor parameter; a correction voltage calculator that calculates a correction voltage vector on the basis of a current error between the detected current vector and the estimated current vector; and a correction voltage unit that adds the correction voltage vector to the motor command voltage vector. | 07-01-2010 |
| 20100162845 | VERTICAL ARTICULATED ROBOT - A vertical articulated robot includes a base; a turning base provided on the base so as to be pivotable about a first rotation axis; a first upper arm provided on the turning base so as to be turnable about a second rotation axis that is in a plane perpendicular to the first rotation axis; a second upper arm provided on a distal end portion of the first upper arm so as to be pivotable about a third rotation axis that is perpendicular to the second rotation axis; a front arm provided on a distal end portion of the second upper arm so as to be turnable about a fourth rotation axis that is in a plane perpendicular to the third rotation axis; and a wrist assembly mounted on a distal end portion of the front arm. A motor that rotates the second upper arm is mounted on a frame of the second upper arm. | 07-01-2010 |
| 20100161124 | SUBSTRATE TRANSFER ROBOT, SUBSTRATE TRANSFER APPARATUS INCLUDING THE SAME, AND SEMICONDUCTOR MANUFACTURING APPARATUS INCLUDING THE SAME - A substrate transfer robot sets an interference region in advance in the range of motion of the substrate transfer robot; stores a plurality of patterns of a combination of a starting position, a target position, and the interference region, the starting position and the target position being among taught positions; determines which pattern among the plurality of patterns a movement of the substrate transfer robot from the starting position to the target position matches when the substrate transfer robot moves between the plurality of taught positions; and determines a movement path from the starting position to the target position so as to avoid the interference region in accordance with the determined pattern so that the substrate transfer robot avoids the interference region. | 06-24-2010 |
| 20100161123 | AUTOMATIC MACHINE SYSTEM - To provide an automatic machine system for readily and reliably selecting a desired mechanism part from among the automatic machine systems composed of a plurality of mechanism parts and teaching the mechanism part. | 06-24-2010 |
| 20100156253 | CONTROLLER FOR INDUSTRIAL ROBOT - a robot controller ensures the maintenance work property and the safety and practically uses a space in a housing of the robot controller. | 06-24-2010 |
| 20100155155 | MOBILE BODY - A mobile body includes a string body that can be pulled out from and retracted into a main body, a length measurement device configured to measure a pull-out length by which the string body is pulled out, and an angle measurement device configured to measure an angle of the string body with respect to the main body. A drive unit is controlled on the basis of the results of the measurements performed by the length measurement device and the angle measurement device. | 06-24-2010 |
| 20100152944 | ROBOT SYSTEM - A robot system includes camera, a distance direction sensor and a controller. The controller is configured to store a plurality of instruction images obtained as a target of the real-time image at each of a plurality of discrete instruction points provided on a predetermined running path. The controller is configured to switch, on the basis of predetermined switching conditions, between an image guidance mode in which the controller controls a running subsystem on the basis of a comparison result between the real-time image and the instruction image, and a measurement distance guidance mode in which the controller controls the running subsystem on the basis of a detection result of the distance direction sensor. | 06-17-2010 |
| 20100145515 | ROBOT SYSTEM AND CONTROL METHOD - A robot system includes a robot arm driven by a motor, a collision detector that detects a collision between the robot arm and an obstacle, which is provided on the robot arm, and a stopping method selector that controls the robot arm by selecting any one of all stopping methods on the basis of the information obtained by the collision detector, thereby selecting a stopping method in accordance with the status of the collision. | 06-10-2010 |
| 20100141923 | STAGE APPARATUS AND ALIGNER - There is provided a stage apparatus at low cost by constituting a counter mass constituting a movable portion of the stage apparatus at low cost. | 06-10-2010 |
| 20100141067 | ROTATING ELECTRICAL MACHINE - A rotating electrical machine includes a stator of which winding terminals are connected to conductive members using a connection substrate on which the conductive members are disposed and which includes an insulating plate. The connection substrate includes a plurality of circumferential grooves and a plurality of radial grooves. The conductive members are fitted to the circumferential grooves in a concentric manner. The conductive members coated with insulating films are formed in a bent shape such that the conductive members project from the radial grooves to an outside of the connection substrate and are connected to the winding terminals of the stator. | 06-10-2010 |
| 20100138042 | ROBOT SYSTEM - Teaching images are acquired at a plurality of separate teaching points on a running route extending from a running start position to a goal position, respectively, under a first light environmental condition and a light environmental condition different from the first light environmental condition, and the teaching images are stored. A present teaching image serving as a target for a robot body in a running direction at present is selected from the stored teaching images. A driving mechanism is controlled so as to increase the matching degree between the present teaching image and an actual image taken by a camera. | 06-03-2010 |
| 20100125363 | ROBOT SYSTEM - A robot system includes a robot control device connected to a plurality of robots each having a plurality of joints and a robot teaching device configured to communicate with the robot control device so as to teach and operate the robots. The robot control device automatically select one of the robots to be operated in accordance with a change in a display state of a display of the robot teaching device. | 05-20-2010 |
| 20100118570 | MATRIX CONVERTER - A matrix converter includes a matrix converter main circuit, an input voltage detector group configured to detect an input voltage of an alternating current source, a gate driver configured to drive a bidirectional switch, and a controller having a pulse width modulation operation unit and a commutation operation unit. The pulse width modulation operation unit is configured to fix one output phase in a conduction state, configured to pulse-width-modulate one of remaining two output phases by using all three input phases, and configured to pulse-width-modulate the other output phase by using only two input phases of a reference input voltage and a middle input voltage. | 05-13-2010 |
| 20100109593 | MULTI-DEGREE-OF-FREEDOM STAGE CONTROL SYSTEM - There are included a plurality of actuators, an instruction generator for generating instructions of plural degrees of freedom, a position arithmetic unit for calculating positions of plural degrees of freedom from signals of a plurality of sensors, a control arithmetic unit for calculating operation amounts of plural degrees of freedom from the instructions of plural degrees of freedom and the positions of plural degrees of freedom, a thrust force conversion arithmetic unit for calculating thrust force instructions of the plurality of actuators from the operation amounts of the plural degrees of freedom, a current instruction unit for calculating current instructions which should be flowed to the plurality of actuators, and a sensor configuration input device for selecting a desired sensor configuration from among a plurality of sensor configurations. The positions of plural degrees of freedom are calculated by using a position arithmetic expression corresponding to a selected sensor configuration. | 05-06-2010 |
| 20100109459 | ROBOT WITH INTERNAL PRESSURE EXPLOSION-PROOF STRUCTURE - A robot includes a plurality of motors that drive respective joint shafts and gas-tight chambers in which the motors are disposed. The robot is placed in a second ambience, and at least one of the joint shafts is provided with a hollow motor integrated with a reduction gear. | 05-06-2010 |
| 20100109448 | MAGNETIC LEVITATION SYSTEM - A magnetic levitation system includes a levitation-actuator movable element which generates a levitation force applied to a control object; and a levitation-actuator stator which receives a reactive force while the control object is being operated, the levitation-actuator stator being attached to a fixed or movable structure. The levitation-actuator stator includes levitation-actuator stator units connectable to each other in a travelling direction. Each levitation-actuator stator unit includes a coil and an iron core for generating a levitation force between the levitation-actuator stator unit and the levitation-actuator movable element. A length of an end portion of each iron core is equal to or larger than a length of each coil between the ends of the coil so that the cores are continuously arranged without gaps therebetween when the levitation-actuator stator units are connected to each other in the travelling direction. | 05-06-2010 |
| 20100107814 | HOLLOW ACTUATOR - A hollow actuator includes a motor section, a reduction gear section, a brake section, a rotation position detecting section, and a shaft having a hollow shape and transmitting rotation, wherein the motor section and the brake section are disposed in a same chamber. | 05-06-2010 |
| 20100106299 | AUTOMATIC MACHINE SYSTEM AND METHOD FOR CONTROLLING COMMUNICATION THEREOF - An automatic machine system and its communication control method not stopping the robot action even if wireless communication of a wireless portable teaching/operating unit fails. The automatic machine system comprises a mechanism unit having one or more drive mechanisms, a controller for driving/controlling the mechanism unit, and a portable teaching/operating unit for operating/teaching the mechanism unit. The controller ( | 04-29-2010 |
| 20100103617 | CONTROL DEVICE - It is possible to provide a small-size and light-weight control device having a structure which prevents detaching of a board even when an external shock is applied without using a screwed connection. The control device is formed by a case ( | 04-29-2010 |
| 20100101766 | ELECTRONIC APPARATUS - An electronic apparatus includes a heat sink for mounting a heating element, a cooling fan for supplying an airstream to the heat sink, and a housing for storing the heat sink and the cooling fan. The housing and the heat sink are equipped with a projection engaged with a hole of a flange of the cooling fan, and the cooling fan is sandwiched by the housing and the heat sink. | 04-29-2010 |
| 20100091461 | MOUNTING STRUCTURE FOR POWER MODULE, AND MOTOR CONTROLLER INCLUDING THE SAME - A mounting structure for a power module, in which a power module and a heat sink can be easily separated without additional labor and time and without requiring an extra disassembly space in a product and in which parts are not damaged during the disassembly. In the heat sink ( | 04-15-2010 |
| 20100085006 | CONTROL DEVICE FOR INDUCTION MOTOR - A control device includes a slip calculator that calculates a first slip frequency of an induction motor, a current detector that detects motor current that passes through the induction motor, an adder that calculates a primary frequency by adding a speed command and a second slip frequency that are given, a command voltage generation unit that generates first command voltage from the primary frequency, a voltage error observer unit that estimates a command voltage error from the first command voltage and the motor current, a slip correction unit that calculates a slip correction amount from the command voltage error, an adder that calculates the second slip frequency by adding the first slip frequency and the slip correction amount, and a voltage error correction unit that corrects the first command voltage using the command voltage error and outputs second command voltage. | 04-08-2010 |
| 20100085001 | INVERTER DEVICE - There is provided an inverter device capable of simplifying the circuit structure, lowering the cast, and downsizing of the device. The inverter device detects a switching change of an inverter by a pulse and is equipped with a pulse signal detector capable of detecting a motor residual voltage or a phase and a detector for detecting a residual voltage or a phase. The inverter device includes a voltage detector, a circuit for detecting a pulse signal based on a comparison between a phase voltage detection value per one phase output from the voltage detector and a first reference voltage value, a circuit for detecting a line residual voltage based on phase voltage detection values of two phases output from the voltage detector, and a circuit for detecting a line phase based on a comparison between the line residual voltage and a second reference voltage value. | 04-08-2010 |
| 20100079103 | ALTERNATING-CURRENT MOTOR CONTROL APPARATUS - An alternating-current motor control apparatus includes a stator frequency computing unit configured to compute a stator frequency of a motor magnetic flux; a torque error computing unit configured to compute a torque error by using the motor magnetic flux, an estimated current, and a motor current; and a speed estimator configured to estimate a speed of the alternating-current motor by using the stator frequency and the torque error. The speed estimator includes a proportional controller configured to reduce the torque error to zero, and an adaptive filter configured to eliminate a high-frequency component of the torque error. | 04-01-2010 |
| 20100060112 | ENCODER WITH MOTOR - With a motor with an encoder of the invention, a stopper gap formed between a stopper formed on an outer circumferential surface of a hub of the encoder and a bearing cover of an anti-load side bracket is set smaller than an encoder gap to prevent that a rotating disk is made contact with a fixed slit even when an excessive force is applied to an output shaft of the motor with the encoder. | 03-11-2010 |
| 20100053898 | MOTOR CONTROLLER - There is provided a motor controller that can easily reduce the size and manufacturing cost of a motor controller by reducing the size of a heat sink without increasing the number of parts much. | 03-04-2010 |
| 20100051268 | OIL EXTRACTION SYSTEM AND OIL EXTRACTION SUPERVISORY SYSTEM - An oil extraction system is provided. The oil extraction system includes a sucker rod pump ( | 03-04-2010 |
| 20100039776 | MOTOR CONTROLLER - A motor controller which is inexpensive and has high cooling performance by using an extrusion heat sink ( | 02-18-2010 |
| 20100039053 | TORQUE CONTROL DEVICE AND METHOD FOR CONTROLLING THE SAME - A torque control device controlling torque of first and second mechanical units connected coaxially to each other through connecting members includes a controller generating first and second references from a command from a host system, first and second motors respectively driving the first and second mechanical units, first and second motor control units respectively controlling the first and second motors on the basis of the first and second references. The first and second references synchronously accelerate the first and second motors to first rotational speed, then increase rotational speed of the second motor according to a speed profile to produce torsional torque in the connecting members, decelerate the second motor to the first rotational speed after the torsional torque reaches a predetermined value, and synchronously decelerate and stop the first and second motors after a predetermined time period elapses. | 02-18-2010 |
| 20100019588 | ROTATING ELECTRIC MACHINE AND MANUFACTURING METHOD THEREOF - In the rotating electric machine of the present invention, a groove, in which a load side coil end is inserted, is formed on a load side bracket; a ceramic coat is formed on the inner surface of the groove; and one or more surfaces including at least the end surface of the load side coil end among the inner circumferential surface, outer circumferential surface, and end surface of the load side coil end adhere closely to the inner surface of the groove, in which the coat is formed. | 01-28-2010 |
| 20100014989 | PUMP JACK PUMP-OFF CONTROL METHOD AND PUMP JACK CONTROL APPARATUS - It is an object of the invention to provide a pump jack pump-off control method and a pump jack control apparatus in which, even when the speed of a pump jack is reduced due to generation of a pump-off condition, the pump jack is not caused to stop due to the motor overload abnormality or the coagulated crude oil and, even when the pump-off condition is generated, the reduction of the production capacity of the pump jack can be prevented as much as possible. On detecting the pump-off condition, while the pump jack is in operation with the speed thereof being reduced, or while the pump jack is in operation at the lowest speed, according to the overload warning signal of an ac electric motor, the pump jack is switched over to its intermittent operation. Also, the pump jack can be operated in such a manner that the stroke speed of the pump jack in the up stroke operation can be switched from a sinusoidal wave form over to a rectangular wave form, or, in the operation of the pump jack by an inverter, the pump jack can be operated such that it can carry out its up stroke operation with a limit imposed on torque. | 01-21-2010 |
| 20100010670 | ROBOT - A robot includes a base unit, at least two link mechanisms arranged on the base unit, drive units capable of bending and expanding the link mechanisms, and a control unit controlling the drive units. At least one drive unit has a drive force larger than those of the other drive units, and the other drive units are passively displaced by external forces larger than their own drive forces. | 01-14-2010 |
| 20100008383 | SYNCHRONIZED COMMUNICATION SYSTEM - A synchronized communication system is provided in which even when communication devices are connected in series to a transmission path, devices connected to the communication devices are synchronized so that a communication cycle can be reduced. A second communication device includes a relay path and a return path which do not pass through a storage device, and a path selection switch therefor. A first communication device instructs switching of the return path from the transmission path, measures a transmission path delay time, notifies the second communication device of it, and sends a reference time of the first communication device for each communication cycle. The second communication device corrects its reference time using the transmission path delay time and the reference time. When a new second communication device is found during synchronized communication, the first communication device also performs transmission path delay measurement using the remaining time in the communication cycle. | 01-14-2010 |
| 20100002820 | MULTISTATION COMMUNICATION APPARATUS - A multistation communication apparatus in which each of a plurality of primary stations ( | 01-07-2010 |
| 20100000364 | ROBOT - A robot includes a work tool, an arm, a cable, and a third member. The work tool is configured to perform a predetermined work with respect to a workpiece. The work tool is attached to the wrist. The arm supports the wrist and is rotatable around a rotational axis. The arm includes first and second members which are provided substantially in parallel to each other in a longitudinal direction of the arm to form a space between the first and second members. The cable extends through the space and is connected to the work tool. The third member connects the first and second members. | 01-07-2010 |
| 20090322276 | POWER CONVERSION DEVICE - A power conversion device includes a main circuit that has switches connecting each phase of a three-phase AC power supply to each output phase, an LC filter having a reactor and a capacitor connected between the three-phase AC power supply and each bidirectional switch, and a current detector detecting an input current or a load current, and a four-step commutation device generating four steps on the basis of the polarity of the load current. The four-step commutation device sets times between the steps to a value more than zero so as to inhibit open circuit between output phases and short circuit between power supply phases, and sets the times between the steps in accordance with the polarity of the load current so as to cancel a distortion of an output voltage due to four-step commutation during a PWM cycle. | 12-31-2009 |
| 20090322180 | ROTARY ELECTRIC MOTOR - A rotary electric motor includes a cylindrical rotor having an outer peripheral side, a stator provided to surround the outer peripheral side of the rotor with a gap between the stator and the rotor, and a load side bracket having a recess and provided on a load side of the stator. The stator includes stator coils and a stator core having teeth portions around which the stator coils are wound. A load side coil end of each of the stator coils protrudes from a load side end face of the stator core. At least two of an inner peripheral surface, an outer peripheral surface, and an end face of the load side coil end contact an inner surface of the recess via an insulator. | 12-31-2009 |
| 20090321621 | OPTICAL ENCODER - An optical encoder, with a simple structure, that can output a high-precision origin signal is provided. | 12-31-2009 |
| 20090320753 | PAINTING SYSTEM - A painting system includes a conveyor, a first travel guide rail, a second travel guide rail, a painting robot, and an opener robot. The conveyor is configured to convey in a paint booth an article to be painted. The first travel guide rail is provided at a side of the conveyor to extend along the conveyor. The second travel guide rail is provided at a side of the conveyor to extend along the conveyor above the first travel guide rail. The painting robot is mounted on the first travel guide rail to be movable along the first travel guide rail. The opener robot is mounted on the second travel guide rail to be movable along the second travel guide rail. The painting robot and the opener robot are movable along the first travel guide rail and the second travel guide rail respectively without interfering with each other. | 12-31-2009 |
| 20090315414 | CANNED LINEAR MOTOR ARMATURE AND CANNED LINEAR MOTOR - A canned linear motor armature includes an armature winding, a picture-frame-shaped casing, a flat can, and a plurality of refrigerant flow channels. The armature winding includes a coil. The picture-frame-shaped casing has an opening and encloses the armature winding. The flat can has a plate surface to close and seal the opening of the picture-frame-shaped casing. The plurality of refrigerant flow channels are provided within the can to face the coil of the armature winding. | 12-24-2009 |
| 20090289509 | CYLINDRICAL LINEAR MOTOR ARMATURE, CYLINDRICAL LINEAR MOTOR FIELD POLE, AND CYLINDRICAL LINEAR MOTOR USING THEM - A cylindrical linear motor capable of solving the problem that a leak flux links an aluminum frame at both ends of an armature of a conventional cylindrical linear motor, which causes a viscous braking force as a motor brake force, is provided. The cylindrical linear motor armature | 11-26-2009 |
| 20090268406 | MOTOR CONTROLLER - A motor controller, which is inexpensive and has small size, is provided by reducing the size of a heat sink used in the motor controller and the number of all parts of the motor controller. | 10-29-2009 |
| 20090267547 | MOTOR CONTROL DEVICE AND MAGNETIC POLE POSITION ESTIMATION PRECISION CONFIRMING METHOD - A motor control device includes a dq-axis current control unit for generating a dq-axis voltage reference based on a dq-axis current reference and a dq-axis current signal, an initial magnetic pole position estimation unit for estimating a magnetic pole position of the motor upon power-on to generate a magnetic pole position signal, and a magnetic pole position estimation precision confirming unit for supplying a current in a d-axis direction after generation of the magnetic pole position signal with the initial magnetic pole position estimation unit, and checking an error of the magnetic pole position signal based on an angle of movement of the motor. | 10-29-2009 |
| 20090267424 | STATOR AND MOLDED MOTOR - A stator includes an annular substrate, an outer-diameter portion of the substrate provided at a tip end of an outer-diameter leg of a bobbin, the substrate having a smaller inner diameter than an inner diameter of the stator core. When stator resin provides sealing, the outer-diameter portion of the substrate can be supported by the tip end of the outer-diameter leg of the bobbin, and an inner-diameter portion of the substrate can be supported by a mold. Accordingly, even when the moment of inertia of a molded motor is increased, the substrate can be prevented from being deformed by a molding pressure with the stator resin, without the area of the substrate being decreased. | 10-29-2009 |
| 20090256516 | ELECTROMECHANICAL MACHINE CONTROL SYSTEM - There is provided an electromechanical machine control system for variable speed controlling an electromechanical machine which can realize a desired control response and a stable control system by online regulating the gain of a linear differential controller by current feedback based on an electric parameter or mechanical parameter of the electromechanical machine. | 10-15-2009 |
| 20090251092 | POSITION CONTROLLER - A position controller includes a position control part that calculates a speed command on the basis of a difference between a position command and a rotation position of a motor, a PI control part that calculates a torque command on the basis of a speed difference between the speed command and a feedback speed, an observer that generates the feedback speed on the basis of the torque command and a rotation speed of the motor, a phase lead compensator that generates a phase lead compensation signal of the torque command on the basis of the speed command, and an adder that generates a new torque command by adding the phase lead compensation signal of the torque command to the torque command. | 10-08-2009 |
| 20090251087 | MOTOR CONTROLLER - A motor controller supplies power to a motor and drives the motor, the motor including a position detector. The motor controller includes a velocity control unit which generates a torque instruction by using a velocity instruction and a velocity signal; a correction processing unit which Fourier-transforms the torque instruction, extracts first-, second-, and sixth-order frequency components from the Fourier-transformed torque instruction, extracts an order component having the largest spectrum from the extracted order components, and generates a sine wave correction signal; an adder which adds the sine wave correction signal to the torque instruction, and generates a new torque instruction; and a position-signal generation unit which generates a position signal by using a position detection signal of the position detector. | 10-08-2009 |
| 20090250435 | GAS INSULATING SWITCHGEAR EQUIPPED WITH GROUNDING SWITCHGEAR - Provided is a gas insulating switchgear equipped with a grounding switchgear that can facilitate compactness by forming integrally switch mechanisms for switching a main circuit and a grounding and rapidly operates even a grounding-switching movable electrode by the switch mechanisms. | 10-08-2009 |
| 20090244845 | MOTOR CONTROLLER - A motor controller capable of relaxing the temperature of a heat source which generates heat by driving the motor controller, and capable of realizing miniaturization and low price is provided. In a motor controller in which a power semiconductor module ( | 10-01-2009 |
| 20090243533 | Servo Control Apparatus - The present invention provides a servo control apparatus capable of suppressing adverse effects of disturbance, load variation and the like, and realizing robust and high-performance speed control. | 10-01-2009 |
| 20090243424 | GAP WINDING MOTOR - A gap winding motor includes a stator and a rotor. The stator includes a stator core and air-core coils for generating a rotating magnetic field which are attached to an inner peripheral surface of the stator core. The rotor is disposed so as to face the stator with an air gap therebetween. A stator core is divided into two core portions in an axial direction of the motor, and a spacer is disposed between the core portions. A unique air-gap section is provided between the core portions, and coil terminal processes are performed in the air-gap section between the core portions. | 10-01-2009 |
| 20090243421 | ELECTRIC MOTOR STATOR AND PERMANENT MAGNET-TYPE ELECTRIC MOTOR USING THE SAME - An electric motor stator according to the present invention includes two resin insulation components, each resin insulation component including a long side portion, facing a side face of the teeth section, and two short side portions, extending from respective ends of the long side portion and facing respective end faces of the laminated core in a lamination direction. The laminated core is clamped by the two resin insulation components from a direction along surfaces of the electromagnetic steel plates, and fitting portions of the two short side portions of each of the two resin insulation components are used to fit the two resin insulation components to each other. | 10-01-2009 |
| 20090241047 | TEACHING BOX FOR USE IN ROBOT, CUSTOMIZATION METHOD, AND ROBOT SYSTEM USING THE SAME - The present invention provides a teaching box configured such that an operator can optionally change a coloration and a size of a text displayed on a display area. The teaching box includes a main menu area, a pulldown menu area, a status area, a general-purpose area, and a message area, for monitoring and controlling an operation of an industrial robot which is operated in a plurality of modes including a teaching mode and an operation setting mode. The main menu area includes a customization portion operable to change a size and a coloration of a text, and a display portion operable to display the text set by the customization portion. | 09-24-2009 |
| 20090237027 | INDUCTION MOTOR CONTROL DEVICE - An induction motor control device includes an inverter circuit for driving an induction motor by outputting a command voltage, a current detector for detecting an output current, a magnetic flux estimation observer for generating an estimated magnetic flux, an estimated current, and a phase command for the motor using the command voltage and the output current, a primary angular speed estimator for estimating a primary angular speed using the estimated magnetic flux, a slip compensator for calculating a slip angular frequency using the output current, a first angular speed estimator for estimating a first angular speed using the primary angular speed and the output current, a second angular speed estimator for estimating a second angular speed using the output current, the estimated magnetic flux, and the estimated current, and a resistance estimator for estimating a secondary resistance value of the motor using the first and second angular speeds. | 09-24-2009 |
| 20090236786 | HAND HAVING ROCKING MECHANISM AND SUBSTRATE DELIVERING DEVICE HAVING THE SAME | 09-24-2009 |
| 20090232631 | SUBSTRATE HOLDING APPARATUS, SUBSTRATE TRANSFERRING ROBOT EQUIPPED WITH THE SAME, AND SEMICONDUCTOR PRODUCTION APPARATUS - A substrate holding apparatus includes a base plate with a two-pronged portion, a holding plate arranged above the base plate, a driving portion provided therebetween, a holding portion formed by a tip end of the two-pronged portion and a tip end of the holding plate, and a guide portion provided at the tip end of the two-pronged portion for guiding a part of the substrate. The driving portion includes an urging means for always urging a basal end side of the holding plate upward, an electric magnetic portion for drawing the holding plate toward the base plate, and a bearing portion arranged at on the tip end side of the base plate. The guide portion has a guide groove which comes into contact with a part of a periphery of the substrate. | 09-17-2009 |
| 20090230912 | MOTOR CONTROLLER - A motor controller includes a command part that generates a command signal, a control part that drives a control object through an output filter when the command signal is input, an operating amount detector that detects an operating amount of the control object, a frequency response characteristic measurement part that generates an open loop frequency response characteristic on the basis of the command signal and the operating amount, a model calculation part that simulates a frequency characteristic of the output filter, and a display that displays the add result of an amplitude characteristic of the frequency characteristic of the frequency response characteristic measurement part and an amplitude characteristic of the frequency characteristic of the model calculation part. | 09-17-2009 |
| 20090230903 | INVERTER CONTROLLER AND METHOD FOR OPERATING THE SAME - The present invention provides an inverter controller and a method for operating the inverter controller, enabling continuous operation without requiring difficult adjustments and without causing a trip or unnecessary torque ripple at overvoltage or undervoltage during an instantaneous power failure or during regenerative operation. | 09-17-2009 |
| 20090218305 | DEVICE FOR PREVENTING SWAY OF SUSPENDED LOAD - This invention provides a device for preventing sway of a suspended load, which does not require complex calculation for eliminating frictional resistance components. The device is equipped with a speed control device ( | 09-03-2009 |
| 20090198377 | WAFER POSITION TEACHING METHOD AND TEACHING TOOL - In the wafer position teaching method for a wafer carrying system, a teaching tool is mounted at a position of the container or the processing equipment where the semiconductor wafer is to be set. The teaching tool is sensed by a sensor provided at a wafer gripping portion of the robot. Prior to sensing the teaching tool by the sensor, external teaching tools mounted on a front external wall of the processing equipment are sensed by the sensor to roughly estimate the position of the teaching tool. Based on the estimated position, the sensor approaches and senses the teaching tool to obtain the position of the semiconductor wafer. Thus, the wafer position can be taught precisely and automatically without causing interference, even when the frontage of processing equipment is narrow. | 08-06-2009 |
| 20090173560 | ROBOT SYSTEM - A robot system capable of safely and stably holding an object with an optimum holding method and holding force. A robot control section ( | 07-09-2009 |
| 20090161393 | PWM INVERTER - There is provided a PWM inverter capable of preventing a phase error from occurring in generating a PWM signal even in the case where a carrier wave frequency is not sufficiently higher than a signal wave frequency. A PWM signal generating section ( | 06-25-2009 |
| 20090152785 | ALIGNMENT APPARATUS AND ORIGINAL POINT RETURNING METHOD OF ALIGNMENT APPARATUS, TURNING TABLE, TRANSLATIONAL TABLE, MACHINE INCLUDING ALIGNMENT APPARATUS AND MACHINE CONTROL SYSTEM - There is provided an alignment apparatus of rotating a table by translational driving to be able to operate the table in XYθ, Yθ, or θ accurately. | 06-18-2009 |
| 20090127445 | OPTICAL ENCODER - There is provided an optical encoder increasing an area of bringing a rotation disk and a hub into contact with each other, capable of drawing air at faces of the rotation disk and the hub brought into contact with each other even when there is not a center hole portion at the rotation disk, having a high adhering strength of the rotation disk and promoting a reliability. In an optical encoder including a rotation disk ( | 05-21-2009 |
| 20090115409 | MAGNETIC ENCODER - A high-precision magnet encoder in which high-order harmonic components can be suppressed without increasing the number of lead wires connecting magnetic field detecting elements to a signal processing circuit. Hall sensors of phase A | 05-07-2009 |
| 20090114508 | ALIGNMENT CONVEYOR APPARATUS - To provide an alignment conveyor apparatus capable of separating products by detecting a close contact state thereof and of performing a position correction by increasing or decreasing a speed of an alignment conveyor. | 05-07-2009 |
| 20090114052 | ARTICULATED MANIPULATOR - This invention provides a manipulator that can facilitate a teaching method, improve the operation speed of an arm, and mount a heavy load in a narrow space. The manipulator includes a plurality of arm bodies provided in series, joint parts rotatably connecting two adjacent arm bodies, and the joint parts in which slope of rotation axes of the adjacent joints are 90 degrees, at least one linear body disposed in the joint parts coaxially with the rotation axes. The joint parts are composed of a servo motor, and a speed-reduction mechanism. The rotation axes of the servo motor, the speed-reduction mechanism and the joint parts become the same axis. | 05-07-2009 |
