Patent application number | Description | Published |
20090040932 | METHODS AND ARRANGEMENT FOR UTILIZATION RATE DISPLAY - An arrangement in a network device for displaying statistical data pertaining to data traffic that traverses the network device is provided. The arrangement includes a power supply arrangement for providing power to circuitry of the network device. The arrangement also includes a set of network ports, which includes a set of input network ports for receiving the data traffic and a set of output network ports for outputting the data traffic from the network device. The arrangement further includes logic arrangement for analyzing data traffic and for displaying statistical data pertaining to the data traffic. The arrangement yet also includes a visual display arrangement, which is configured to display the statistical data, whereas the data traffic is configured to traverse the network device between the set of input network ports and the set of output network ports irrespective whether power is provided to the circuitry of the network device. | 02-12-2009 |
20090041051 | ENHANCED COMMUNICATION NETWORK TAP PORT AGGREGATOR ARRANGEMENT AND METHODS THEREOF - An arrangement in a network device for facilitating at least one of multiple connection speeds with a network, active response between a monitoring device and an end-device, and power over Ethernet (POE) over a network is provided. As a facilitator of multiple connection speeds, the arrangement includes a plurality of physical layer interface (PHY) and media access controller (MAC) that are configured to support multiple speeds. As a facilitator of active response, the arrangement includes a logic arrangement for multicasting a set of instructions that is sent from a monitoring port. As a facilitator of POE, the arrangement is configured to receive data traffic (e.g., data packets and/or power packets) through a first network port and to send the data traffic out a second network port. | 02-12-2009 |
20090110391 | PHOTODIODE ASSEMBLY WITHIN A FIBER OPTIC TAP AND METHODS THEREOF - An arrangement in a fiber optic network device for analyzing a set of optical signals traversing the fiber optic network device is provided. The arrangement includes a set of ports for receiving and outputting the set of optical signals. The arrangement also includes a set of photodiodes, which is configured at least for receiving and forwarding the set of optical signals. The arrangement further includes a splitter, which is configured at least for receiving the set of optical signals from a first photodiode, splitting the set of optical signals into at least a first part and a second part, and forwarding the first part to a second photodiode and the second pant to a third photodiode. The set of optical signals is configured to traverse the fiber optic network device irrespective whether power is provided to circuitry of the fiber optic network device. | 04-30-2009 |
20090168659 | DIRECTOR DEVICE AND METHODS THEREOF - A director device arrangement for enabling a plurality of monitoring functions to be performed on data traffic traversing through a network is provided. The arrangement includes a set of network ports for receiving data traffic and outputting the data traffic. The arrangement further includes a set of switch chips, which is configured to include at least a first switch chip and a second switch chip, which are configured to interact with one another to perform the plurality of monitoring functions on the data traffic received by the set of switch chips. The arrangement yet also includes a set of monitoring ports, which is configured to receive at least one of the data traffic traversing through the network. The data traffic is configured to traverse the director device arrangement irrespective whether the power is provided to the circuitry of the director device arrangement. | 07-02-2009 |
20090245128 | INTEGRATED SWITCH TAP ARRANGEMENT WITH VISUAL DISPLAY ARRANGEMENT AND METHODS THEREOF - An arrangement in a network device for monitoring network traffic is provided. The arrangement includes a set of network ports, which includes a set of input network ports for receiving the network traffic and a set of output network ports for outputting the network traffic from the network device. The arrangement also includes a switch chip, wherein the switch chip is configured at least for analyzing the network traffic. The arrangement further includes a set of monitoring ports, which is configured to receive the network traffic from the set of network ports. The arrangement yet also includes a tap module, which is configured at least for intercepting at least part of the network traffic flowing through the network device and forwarding at least part of the network traffic to at least one of the set of monitoring ports. | 10-01-2009 |
20100146113 | DIRECTOR DEVICE WITH VISUAL DISPLAY ARRANGEMENT AND METHODS THEREOF - A director device arrangement for performing a plurality of monitoring functions on data traffic traversing through a network is provided. The director device arrangement includes a power module, a processor module, a set of network ports, a set of switch modules, and at least one monitoring ports. The set of switch modules is configured to include at least a first switch module and a second switch module that interact with one another to perform the plurality of monitoring functions on the data traffic received. The at least one monitoring port is configured to receive at least one of the data traffic traversing through the network, whereas the data traffic is configured to traverse the director device arrangement between the set of network ports irrespective whether power is provided to the circuitry, the processor module, and the set of switch modules of the director device arrangement. | 06-10-2010 |
20110149801 | ARRANGEMENT FOR AN ENHANCED COMMUNICATION NETWORK TAP PORT AGGREGATOR AND METHODS THEREOF - An arrangement in a network device for facilitating multiple connection speeds with a network is provided. The arrangement includes a set of network ports that includes a set of input network ports for receiving data traffic and a set of output network ports for outputting the data traffic from the network device. The arrangement also includes a logic component configured for managing the data traffic and for aggregating the data traffic. The arrangement further includes a monitoring port that is configured to receive the aggregated data traffic. The arrangement also includes a plurality of physical layer interfaces, wherein each physical layer interface is configured to support the multiple connection speeds. The arrangement moreover includes a media access controller that is configured to support at least a single connection speed of the multiple connection speeds. | 06-23-2011 |
20110164521 | ARRANGEMENT FOR UTILIZATION RATE DISPLAY AND METHODS THEREOF - A network arrangement for automatically displaying statistical data is provided. The arrangement includes a port for receiving data traffic, a physical interface layer for copying data traffic, and a bus for directing a copy of the data traffic to monitoring devices. The arrangement also includes logic arrangement for analyzing the copy of data traffic, which includes at least a Receive Data Valid signal (including a rising edge and a falling edge) and a Receive Clock signal (including a rising edge and a falling edge). The arrangement further includes incrementing a first counter when the Receive Data Valid rising edge is received and incrementing a second counter when at least one of the Receive Clock rising edge and the Receive Clock falling edge is received. The arrangement moreover includes logic arrangement for displaying statistical data pertaining to the data traffic and a visual display arrangement for displaying statistical data. | 07-07-2011 |
20110211441 | SEQUENTIAL HEARTBEAT PACKET ARRANGEMENT AND METHODS THEREOF - An arrangement in a network tap for monitoring state of a monitoring system is provided. The arrangement includes a set of network ports that includes a set of input network ports for receiving data traffic and a set of output network ports for outputting the data traffic from the network tap. The arrangement also includes a monitoring port that is configured to receive the data traffic from the set of network ports and to forward the data traffic onward to the monitoring system. The arrangement further includes a logic component configured for executing a sequential heartbeat diagnostic test. The sequential heartbeat diagnostic test is configured for providing a first set of sequential heartbeat packets for testing and determining the state of the monitoring system. The arrangement yet also includes a logic component for activating one or more events when a failure condition exists for the state of the monitoring system. | 09-01-2011 |
20110211446 | GIGABITS ZERO-DELAY TAP AND METHODS THEREOF - A gigabits zero-delay arrangement for enabling continuous monitoring of data traversing through a network in a high-speed Ethernet environment is provided. The arrangement includes a high-speed network device configured for monitoring the data flowing through the network. The arrangement also includes a primary power source for providing a first power to circuitry of the gigabits zero-delay arrangement. The arrangement further includes a sensor controller configured for monitoring power flowing into the high-speed network device and for establishing an alternative communication link. | 09-01-2011 |
20110211463 | ADD-ON MODULE AND METHODS THEREOF - An arrangement for processing data traffic flowing through a network is provided. The arrangement includes a data interface for receiving the data traffic. The arrangement also includes an inspection engine for analyzing the data traffic, wherein the analyzing is performed on at least payload data. The arrangement further includes means for routing the data traffic through the network, wherein the means for routing is configured to define one or more ports for transmitting the data traffic. The means for routing the data traffic is dynamic to balance the data traffic across multiple outgoing ports. | 09-01-2011 |
20110211473 | TIME MACHINE DEVICE AND METHODS THEREOF - A time machine arrangement for performing health check on a network environment is provided. The arrangement includes a set of network ports that that is configured for receiving and outputting network data traffic. The arrangement also includes a monitoring port for receiving at least a portion of the data traffic flowing through the network. The arrangement further includes a set of processors configured at least for managing and analyzing the data traffic. The set of processors includes a scheduler component for directing the data traffic, a filtering component for applying a set of filters on the set data traffic, an encryption component for encrypting the data traffic, and a trigger component for defining a set of conditions for storing the data traffic. The arrangement yet also includes a storage memory component for storing a copy of at least the portion of the data traffic flowing through the network environment. | 09-01-2011 |
20110211492 | IBYPASS HIGH DENSITY DEVICE AND METHODS THEREOF - A high density network arrangement for managing an integrated secured multiple networks arrangement is provided. The arrangement includes a power module for providing power to a circuitry of the high density network arrangement. The arrangement also includes a plurality of network interfaces, wherein each network interface of the plurality of network interfaces is configured for coupling with a network arrangement. The arrangement further includes a processor for providing processing capability to the high density network arrangement. The arrangement yet also includes logic arrangement for managing data traffic flowing through the plurality of network interfaces, wherein the data traffic is configured to traverse the high density network arrangement between the plurality of network arrangement interfaces irrespective whether the power is provided to the circuitry of the high density network arrangement. | 09-01-2011 |
20110214181 | DUAL BYPASS MODULE AND METHODS THEREOF - A dual bypass module for managing an integrated secured network environment is provided. The module includes network ports that receive and transmit data traffic flowing through the network. The module also includes a set of monitoring ports that is configured for transmitting the data traffic between the dual bypass module and a set of monitoring systems. The module further includes a set of relays configured for controlling the flow of data through the dual bypass module. The module yet also includes a configurable integrated circuit. The configurable integrated circuit includes at least one of a first logic arrangement for determining conditions of the set of monitoring systems, a second logic arrangement for redirecting the data traffic through a secured alternate path when a monitoring system is unavailable, and a third logic arrangement for redirecting the data traffic through a secured alternate path when a communication path becomes unavailable. | 09-01-2011 |
20110264797 | INTEGRATED NETWORK DATA COLLECTION ARRANGEMENT AND METHODS THEREOF - An arrangement for storing data pertaining to network data traffic flowing through a network is provided. The arrangement includes a set of network cluster arrangements. Each network cluster arrangement of the set of network cluster arrangements includes a plurality of network devices configured for receiving and sending the network data traffic, and a set of monitoring network appliances configured for monitoring at least a portion of the network data traffic flowing between the plurality of network devices. The arrangement also includes a set of network data collection arrangements configured for at least storing the data pertaining to the network data traffic. | 10-27-2011 |
20120002552 | DIRECTOR DEVICE ARRANGEMENT WITH VISUAL DISPLAY ARRANGEMENT AND METHODS THEREOF - An apparatus for enabling a plurality of monitoring functions to be performed on network data is provided. The apparatus includes a power module and a processor module. The apparatus also includes a set of network ports that includes a set of input network ports for receiving the data traffic and a set of output network ports for outputting the data traffic from the apparatus. The apparatus further includes a switchboard arrangement that includes at least two chips that are configured to interact with one another to perform the plurality of monitoring functions on the data traffic received by the switchboard arrangement. The apparatus yet also includes logic module for analyzing the data traffic and for displaying the statistical data pertaining to the data traffic. The apparatus yet further includes a visual display arrangement that is configured for displaying the statistical data. | 01-05-2012 |
20120176917 | INTEGRATED SWITCH TAP ARRANGEMENT AND METHODS THEREOF - An integrated switch tap device for managing and monitoring network traffic is provided. The device includes a set of network ports for receiving and outputting the network traffic. The device also includes a first logic arrangement for performing routing functionalities and a first CPU for processing the routing functionalities. The device further includes a set of monitoring ports that is coupled to one or more monitoring devices. The device yet also includes a first tap module, which is configured at least for intercepting at least part of the network traffic flowing through the network device, creating a copy of at least part of the network traffic, and forwarding the copy to at least one of the set of monitoring ports. The device moreover includes a second CPU configured at least for processing tap functionalities associated with the first tap module. | 07-12-2012 |
20130347062 | SECURED NETWORK ARRANGEMENT AND METHODS THEREOF - A high density network arrangement for managing an integrated secured multiple networks arrangement is provided. The arrangement includes a power module for providing power to a circuitry of the high density network arrangement. The arrangement also includes a plurality of network interfaces, wherein each network interface of the plurality of network interfaces is configured for coupling with a network arrangement. The arrangement further includes a processor for providing processing capability to the high density network arrangement. The arrangement yet also includes logic arrangement for managing data traffic flowing through the plurality of network interfaces, wherein the data traffic is configured to traverse the high density network arrangement between the plurality of network arrangement interfaces irrespective whether the power is provided to the circuitry of the high density network arrangement. | 12-26-2013 |
20140022891 | ARRANGEMENTS AND METHODS FOR MINIMIZING DELAY IN HIGH-SPEED TAPS - Methods and arrangements are provided for minimizing delay in a high-speed tap arrangement are disclosed and include hardware and software arrangements and methods for quickly switching the transmission path for data between a primary data path and a bypass data path. The switching is accomplished rapidly using set of powered analog switches and a relay to minimize packets loss in the event of power loss. Further, when power is restored, software and hardware methods and arrangements disclosed herein permit the data path to be promptly restored resulting in the restoration of tapping ability quickly after power is restored. | 01-23-2014 |
Patent application number | Description | Published |
20120212162 | METHOD AND SYSTEM FOR CONTROLLING AN ELECTRIC MOTOR WITH COMPENSATION FOR TIME DELAY IN POSITION DETERMINATION - A sensor detects position data for a rotor of the motor at a first time. A data processor receives the detected position data associated with a first time delay. A sensing circuit senses an analog current at the motor during a second time delay. An analog-to-digital converter converts the analog current to a digital current data during a third time delay. The fourth time delay is detected between actual current reading instant and position reading instant in a data processor. The digital phase current data is transformed into measured direct and quadrature axes control current data based on synchronization or temporal alignment of the position data with the actual measured analog phase current at the starting time by compensating the position data by a sum of the second time delay, the third time delay and the fourth time delay, where the first time delay is subtracted from the sum. | 08-23-2012 |
20120212167 | METHOD AND SYSTEM FOR CONTROLLING AN ELECTRIC MOTOR WITH VARIABLE SWITCHING FREQUENCY AT VARIABLE OPERATING SPEEDS - A data processor establishes a first range of rotational speeds of a rotor of the motor from a first lower limit to a first higher limit and a second range of rotational speeds from a second lower limit to a second higher limit. A hysteresis band or a rotational range of speeds is established such that during operation in the first range the first higher limit is adjusted (e.g., raised by a first amount to be greater than the second lower limit). A sensor detects or measures a rotational speed of a rotor of the motor. The data processor determines whether the measured rotational speed falls within the first range or the second range, as adjusted by the hysteresis band, to identify a selected speed range. A switching frequency of a pulse-width modulation signal is varied in accordance with the selected speed range. | 08-23-2012 |
20120212169 | METHOD AND SYSTEM CONTROLLING AN ELECTRICAL MOTOR WITH TEMPERATURE COMPENSATION - A temperature estimation module estimates a change in temperature of the magnets associated with the rotor of the motor based on an operational magnetic flux strength that is compared to a reference magnetic flux strength determined at a known ambient temperature and for a predetermined operating range of the motor The temperature estimation module or the system establishes a relationship between the estimated change in the temperature and a magnetic torque component of a target output torque of the motor consistent with the predetermined operating range. The current adjustment module or the system adjusts a command (e.g., quadrature-axis current command) for the motor to compensate for shaft torque variation associated with the estimated change in the temperature in conformance with the established relationship. | 08-23-2012 |
20120217908 | METHOD AND SYSTEM FOR CONTROLLING AN ELECTRIC MOTOR AT OR NEAR STALL CONDITIONS - A data processor determines whether a composite torque command is larger than a preset torque threshold for a time interval. The composite torque command is convertible into a direct-axis current command and a quadrature-axis current command. The data processor determines whether a rotor speed of the motor is less than a preset speed threshold for the time interval. The data processor, the current adjustment module, or the current shaping module adjusts the direct-axis current command and the quadrature-axis current command to obtain a revised direct-axis current command and revised quadrature-axis current command for the time interval if the composite torque command is larger than the preset torque threshold and if the rotor speed is less than the preset speed threshold, where the revised current commands vary by the detected rotational position of the rotor to achieve a generally constant shaft torque output. | 08-30-2012 |
20120217911 | INTERIOR PERMANENT MAGNET MACHINE SYSTEMS AND METHODS FOR CONTROLLING INTERIOR PERMANENT MAGNET MACHINES - Example embodiments disclose an Interior Permanent Magnet (IPM) machine system including an IPM machine including a nominal operating direct current (dc) bus voltage, and a controller configured to detect an operating dc bus voltage of the IPM machine and to control the IPM machine based on the nominal operating dc bus voltage and the detected operating dc bus voltage. | 08-30-2012 |
20120217912 | METHOD AND SYSTEM FOR CALIBRATING ROTOR POSITION OFFSET OF AN ELECTRIC MOTOR - While enforcing a fake position in the data processing system and applying a zero direct-axis current command, positive and negative quadrature-axis current commands are applied sequentially and at approximately same magnitude to urge the rotor toward an enforced position. A processing module measures a positive quadrature-axis current aligned raw position data after application of the positive quadrature-axis current command and measures negative quadrature-axis current aligned raw position data for the rotor after application of the negative quadrature-axis command. An initial position offset calibrator or data processor determines a difference between the raw position data to determine an alignment of a true averaging axis. An initial position offset calibrator or data processor determines a raw averaging axis position data based on an average of the raw position data. An initial position offset calibrator or data processor determines a position offset based on a difference between the determined true averaging axis and the determined raw averaging axis position data. | 08-30-2012 |
20120217913 | METHOD AND SYSTEM FOR DETERMINING A POSITION OF A ROTOR OF AN ELECTRIC MOTOR WITH NOISE REDUCTION - A data storage device stores previous position readings of the rotor for a previous cycle of a pulse width modulation signal applied to the motor. A current raw position reading for the current cycle is received. A predicted position reading for a current cycle is determined based on at least one of the stored previous position readings of the previous cycle. A data processor determines whether a difference between the current raw position reading and the predicted position reading for a first mode and a second mode is within one or more preset thresholds. The data processor selects the current raw position reading as a verified reliable final position reading if a first difference for the first mode is equal to or less than a primary preset threshold or if a second difference for the second mode is equal to or less than a secondary preset threshold. | 08-30-2012 |
20120217915 | System for Calibrating an Electrical Control System - A method calibrates a current sensing instant to latch a current value from a set of current signals. A current command including a magnitude at a Gamma angle is provided to control a motor when the motor is operating in a motoring mode at a shaft speed. A matching current command including a same magnitude at a same Gamma angle is provided to control the motor when the motor is operating in a braking mode at a same shaft speed. A first actual averaging rms current magnitude of three phase currents of the motor is monitored when the motor is controlled by the current command and operating in the motoring mode. A second actual averaging rms current magnitude of the three phase currents of the motor is monitored when the motor is controlled by the matching current command and operating in the braking mode. A current sensing instant is adjusted until an observed first actual averaging rms current magnitude in the motoring mode equals an observed second actual averaging rms current magnitude in the braking mode. | 08-30-2012 |
20120217916 | Device And Method For Generating An Initial Controller Lookup Table For An IPM Machine - Embodiments of the present invention provide a device and method for generating initial operating points for controlling an interior permanent magnet (IPM) machine. The method includes loading an inductance lookup table, first calculating a maximum torque per Ampere (MTPA) trajectory for a first threshold speed based on machine parameters of the IPM machine, second calculating a truncated voltage limit ellipse with monotonically increasing torque for a first speed based on the machine parameters, if the first speed is higher than the first threshold speed, determining an operating trajectory at the first speed based on at least one of the calculated MTPA trajectory and the calculated truncated voltage limit ellipse, and generating an I | 08-30-2012 |
20120217921 | METHOD AND SYSTEM FOR EVALUATING ELECTRICAL CONNECTIONS BETWEEN AN MOTOR CONTROLLER AND MOTOR - A pair of direct d-q-axis voltage commands is associated with a monotonically varying test sequence of test rotor angular positions to determine a correct rotational direction of a rotor of the motor in response to application of the pair of direct d-q-axis voltage commands to the motor. The rotor of the motor rotates (e.g., self spins in a diagnostic mode) in response to the applied direct d-q-axis voltage commands and applied monotonically varying test sequence of test rotor angular positions. The primary positioning module or data processor determines that conductor connections between the inverter (e.g., motor controller) and the motor are correct if the calculated shaft speed sign is positive with respect to an applied monotonically varying test sequence of rotor angular positions that monotonically increases. | 08-30-2012 |
20120217923 | System for Controlling a Motor - A control system for a motor includes a current regulation controller for generating a terminal voltage command. The terminal voltage command is used for converting a supply voltage to a three phase voltage to power a motor. The control system also includes a terminal voltage command feedback module for controlling the terminal voltage command. The terminal voltage command feedback module compares the terminal voltage command to a determined voltage limit of the supply voltage and generates a d-axis current adjustment command in accordance with the comparison. The d-axis current adjustment command is used for reducing the terminal voltage command below the determined voltage limit. The control system also includes a summer coupled with the terminal voltage command feedback module. The summer adds the d-axis current adjustment command to a d-axis current command received from a lookup table. | 08-30-2012 |
20120221280 | Method And Apparatus For Characterizing An Interior Permanent Magnet Machine - One embodiment of the method includes setting up a testing architecture where the testing architecture includes a test IPM machine having an output shaft coupled to an output shaft of a secondary speed control machine. The method further includes controlling the secondary speed control machine to drive the output shaft of the test IPM machine at a first desired speed, determining a pair of desired direct and quadrature axis currents for each of a plurality of peak current magnitudes, and recording characterization data associated with each pair of desired direct and quadrature axis currents. The controlling, determining and recording steps for each of a second through nth desired speeds may be repeated. Control lookup tables for operation of an IPM machine may be generated from the characterization data. | 08-30-2012 |
20150057868 | DC BUS VOLTAGE CONTROL - Provided is a method and controller for controlling a vehicle dc bus voltage. The method includes generating a parameter. The parameter is based on a reference dc bus voltage squared. The method includes controlling the vehicle dc bus voltage based on the parameter and a detected dc bus voltage. The method may also include generating another parameter based on a power demand associated with at least one of a motoring mode operation and a generating mode operation of a traction motor associated with the vehicle. The power demand is indicated in a message received via a dedicated high speed data bus. The method includes controlling the vehicle dc bus voltage based on the another parameter. | 02-26-2015 |