Entries |
Document | Title | Date |
20080270027 | FAULT DETECTION AND RECONFIGURATION OF AN AUTOMATED REFUELING BOOM - A system for automated control of a refueling boom coupled to a tanker aircraft is provided. The system includes sensors such as electro-optical sensor or GPS sensors that provide measurements used by the system to automatically control the refueling boom so as to mate with a receiver aircraft. The system is configured to monitor the health of the sensors and to reconfigure itself if any of the sensor are faulty. | 10-30-2008 |
20080288167 | Method and Apparatus for Providing Integrity Information for Users of a Global Navigation System - In a method for providing integrity information for users of a global navigation system, which comprises several space vehicles like satellites transmitting information to a device for position detection, the transmitted information comprises first information from the global navigation system about the accuracy of a signal in space error SISE of a faulty space vehicle, and second information whether or not the global navigation system assesses the faulty space vehicle as faulty. The invention is based on the assumption how exact a fault can be detected, so that performance the global navigation system can be increased; and no unfounded assumption is used which improves the quality of service. | 11-20-2008 |
20090005985 | GPS-based in-vehicle sensor calibration algorithm - A system and method for calibrating the bias and scale factors of a heading rate sensor, such as a yaw-rate sensor, using GPS signals. The system receives wheel speed or rotation signals, a vehicle odometer reading, GPS signals and yaw-rate signals. The system includes a wheel-slip detection processor that determines whether there is wheel-slip based on the wheel speed signals and the GPS signals. The system also includes a wheel-based acceleration processor that estimates vehicle acceleration. The system also includes a differential odometry processor that determines vehicle heading based on wheel speed. The system also includes a GPS reference data validation processor that determines whether the GPS signals are valid using the estimated vehicle acceleration and wheel speeds. The valid GPS signals are then used to calibrate the yaw-rate sensor signals, which can be used for vehicle heading purposes. | 01-01-2009 |
20090018772 | Position Sensing Device And Method - A position sensing device and method are provided for executing correction processing based on a reliability and error index of each component of GPS output data to increase positioning accuracy. Correction processing is performed to correct a position determination result obtained through dead reckoning, and a vehicle speed, a pitch angle, and a sensor mounting angle used in position determination executed through dead reckoning in a measurement period of GPS in accordance with direction-specific positional components and speed components of a vehicle, which are measured with GPS to determine a reliability of each of the direction-specific positional components and speed components of the vehicle and calculate an error index of a component determined to be a reliable component, to set the degree of contribution of a measurement component determined to be unreliable to correction processing to zero or almost zero, and to reduce the degree of contribution of a measurement component determined to be reliable to correction processing in accordance with a value of the error index. | 01-15-2009 |
20090037105 | Positioning Device and Positioning Method for a Satellite Navigation System - A positioning device for a satellite navigation system includes a receiver that receives atmospheric correction data and an evaluation unit that determines a position location and estimates its quality on the basis of a plurality of positioning signals, with inclusion of the atmospheric correction data. | 02-05-2009 |
20090043506 | Method and System for Controlling Timing of Vehicle Transmissions - Method and system for controlling timing of wireless transmissions from vehicles to other vehicles or to infrastructure includes arranging a clock on each vehicle, transmitting positioning signals including a time, arranging a receiver on the vehicle to receive the positioning signals, recalibrating the clock based on the positioning signals to obtain an accurate time, and controlling transmissions from a transmitter on the vehicle based on the accurate time provided by the clock after recalibration. The clock may be recalibrated after each reception of a positioning signal or only at specific timed intervals or based on specific occurrences. | 02-12-2009 |
20090048779 | SYSTEMS AND METHODS FOR GYROCOMPASS ALIGNMENT USING DYNAMICALLY CALIBRATED SENSOR DATA AND AN ITERATED EXTENDED KALMAN FILTER WITHIN A NAVIGATION SYSTEM - A navigation system and method for gyrocompass alignment in a mobile object. The system includes an inertial measurement device configured to provide a first set of sensor data and a positioning unit configured to provide a second set of data. In an example embodiment, the navigation system includes a processing device configured to receive the data sets provided by the inertial measurement device and the positioning device, and the processing device is configured to dynamically calibrate the received first data set the processing device includes a Kalman filter, and the processing device is further configured to generate a gyrocompass alignment using the first dynamically calibrated first data set, the second data set, and the Kalman filter. The method includes receiving sensor data from a plurality of sensors, dynamically calibrating at least a portion of the sensor data, and generating gyrocompass alignment information based on the dynamically calibrated sensor data. | 02-19-2009 |
20090063050 | SYSTEMS AND METHODS FOR IMPROVING PULL-IN PERFORMANCE IN GPS SIGNAL PROCESSING - Systems and methods for avoiding non-linear behavior of conventional early-minus-late correlator-based code loop discriminators. The present invention provides a model of correlator behavior that takes into account whether both correlators are on the same side of the correlation peak or they straddle the peak. The result is a piecewise solution that can be stiched together quite readily to produce an extended range of linear response, thereby improving the pull-in capability of GPS code loops when closely spaced correlators are being used. | 03-05-2009 |
20090088975 | NAVIGATION DEVICE - In a navigation device, the position P | 04-02-2009 |
20090093958 | SYSTEM AND METHOD FOR DETERMINING POSITION WITHIN OR WITHOUT A COMPLEX POLYGON GEOFENCE - A geofence system which locates a position as within or without the complex polygon type geofence using a simplified algorithm. The algorithm obtains a position and compares it to the polygon by establishing a ray from the position constructed in a cardinal direction of the coordinate system. The “polarity” of the count of intersections between the ray and geofence indicates whether the position is inside the geofence or not. | 04-09-2009 |
20090099773 | POSITIONING METHOD, PROGRAM, POSITIONING DEVICE, AND ELECTRONIC APPARATUS - A positioning method in a positioning device includes: measuring a current position by receiving positioning signals transmitted from a plurality of positioning satellites and performing first positioning processing using a least square method; determining whether or not a result of the first positioning processing satisfies a positioning change condition set beforehand as a condition for change of positioning processing; and measuring the current position by receiving the positioning signals transmitted from the plurality of positioning satellites and performing second positioning processing using a Kalman filter after stopping the first positioning processing when it is determined that the result of the first positioning processing satisfies the positioning change condition. | 04-16-2009 |
20090112471 | TIME INFORMATION MANAGEMENT METHOD AND ELECTRONIC INSTRUMENT - A time information management method includes: managing time information using an oscillation signal of a first oscillator and data relating to an actual oscillation frequency of the first oscillator; calculating an oscillation frequency difference between a second oscillator and the first oscillator; and estimating the actual oscillation frequency of the first oscillator using the calculated oscillation frequency difference and a nominal frequency of the second oscillator, and updating the data relating to the actual oscillation frequency of the first oscillator. | 04-30-2009 |
20090138199 | Location determination system for vehicles - A vehicle location determination system and method provide an estimate of real time location of the vehicle along a route in response solely to vehicle GPS information and vehicle speed information such that the estimated real time distance is robust to errors and disturbances associated with both the vehicle GPS information and vehicle speed information to ensure the estimated real time location information is accurate. | 05-28-2009 |
20090143983 | NAVIGATION SYSTEM WITH DYNAMICALLY CALIBRATED PRESSURE SENSOR - A navigation system includes a pressure sensor, a calibration module in communication with the pressure sensor, and an altitude module in communication with the calibration module. The calibration module is configured to determine a dynamic pressure proportionality coefficient based at least in part on a static pressure proportionality coefficient, a measured pressure value from the pressure sensor, and a velocity value. The altitude module is configured to calculate a sensor-based altitude value based at least in part on the determined dynamic pressure proportionality coefficient. | 06-04-2009 |
20090150075 | Angular Velocity Correcting Device, Angular Velocity Correcting Method, and Navigation Device - Angular velocity correcting devices, angular velocity correcting methods, and navigation devices are disclosed. In some implementations, a first sensor sensitivity correcting method for considering variation of sensor sensitivity due to an oblique angle of an angular velocity detecting sensor with respect to a horizontal plane and a sensitivity error of the angular velocity detecting sensor and correcting the sensor sensitivity is enabled. A second sensor sensitivity correcting method for considering the variation of the sensor sensitivity due to the oblique angle of the angular velocity detecting sensor with respect to the horizontal plane without considering the sensitivity error and correcting the sensor sensitivity is enabled. The sensitivity error is calculated on the basis of a ratio of the sensor sensitivity obtained by the first sensor sensitivity correcting method to the sensor sensitivity obtained by the second sensor sensitivity correcting method. The angular velocity from the angular velocity detecting sensor using the sensitivity error is corrected. | 06-11-2009 |
20090171585 | Computational scheme for MEMS inertial navigation systemes - A computational scheme for an INS which utilizes micro-electro mechanical systems (MEMS) sensors is disclosed resolving issues of unnecessarily large computational burden and numerical instability which happen in using conventional methods using high-end inertial sensors. The first aspect to reduce computational burden in MEMS application is to omit computing Earth radii of curvatures that were used in a high-frequency application. The second aspect is to ignore the Earth rotation and the rotation of the local tangent plane with respect to Earth in the computation which are much smaller than noise and bias in the MEMS sensor output. The last aspect is to assume that the absolute amount of the platform pitch and roll angles is less than 90 degrees. This assumption results in only four parameters required to track in the direction cosine matrix describing the transformation from the local tangent plane to the platform where all the nine elements are tacked in the conventional method. According to the aspects noted above, the computational load will be one-fourth of the conventional method without degradation of accuracy. | 07-02-2009 |
20090182502 | REFINING A POSITION ESTIMATE OF A LOW EARTH ORBITING SATELLITE - In a method for refining a position estimate of a low earth orbiting (LEO) satellite a first position estimate of a LEO satellite is obtained with a GNSS receiver on-board the LEO satellite. The first position estimate is communicated to a Virtual Reference Station (VRS) processor. VRS corrections are received at the LEO satellite, the VRS corrections having been calculated for the first position estimate by the VRS processor. The VRS corrections are processed on-board the LEO satellite such that a VRS corrected LEO satellite position estimate of the LEO satellite is generated for the first position estimate. | 07-16-2009 |
20090216448 | GLOBAL POSITIONING SYSTEM NAVIGATION APPARATUS AND POSITIONING METHOD THEREOF - A Global Positioning System (GPS) navigation apparatus and a positioning method thereof are provided. The GPS navigation apparatus includes a GPS module and a data processing unit. When the GPS module enters into an operation mode from a standby mode, the GPS module starts to output a positioning data. The data processing unit calculates a present position according to the positioning data from the GPS module after a predetermined time interval since the GPS module enters into the operation mode, so as to reduce a positioning error. | 08-27-2009 |
20090248303 | POWER CONTROL SYSTEM AND METHOD FOR THE SAME - A power control system and method receives and filters a valid GPS signal received by a navigation device and outputs a corresponding performance parameter for the GPS signal, and upon determining that a power management signal is a power-off management signal, determines whether the performance parameter exceeds a predetermined first threshold. If the performance parameter exceeds the predetermined first threshold, a processing module is managed to send a GPS power-on signal that allows power to be provided to a GPS module in the navigation device. Alternatively, if the power management signal is not a power-off management signal, the performance parameter is determined whether it is smaller than a predetermined second threshold value. If the performance parameter is smaller, the processing module is managed to send sends a GPS power-off signal that allows the power provided to the GPS module to be cut off, thereby reducing power consumption of the navigation device. | 10-01-2009 |
20090271113 | METHOD FOR MODIFYING NAVIGATION INFORMATION AND NAVIGATION APPARATUS USING THE SAME - A method for modifying navigation information for guiding the driver is provided in the present invention, in which attitude angle of a carrier at a specific location is detected and compared with an identifying information for judging whether the carrier is on a correct route or not. In another embodiment, the present invention further provides a navigation apparatus according the foregoing method, which comprises an inertia navigation unit, a satellite signal receiving unit, a database, and signal processing unit. The signal processing unit generates a navigation route in accordance with the start and destination and determines whether the attitude angle is conformed to the identifying information with respect to the specific location on the navigation route. If the attitude angle is not conformed to the identifying information, the signal processing unit remodifies the navigation route for the carrier. | 10-29-2009 |
20090276155 | SYSTEMS AND METHODS FOR DETERMINING LOCATION INFORMATION USING DUAL FILTERS - System and methods of increasing reliability of determined location information by using two integration filters are provided. An exemplary embodiment integrates inertial navigation system information and global navigation satellite system (GNSS) information in a real time Kalman filter; determines a real time location of the aircraft with the real time Kalman filter based upon the INS information and the GNSS information; delays the GNSS information by an interval; integrates the INS information and the delayed GNSS information in a delay Kalman filter; determines a predictive location of the aircraft with the delay Kalman filter based upon the INS information, the delayed GNSS information, and the interval; and in response to an inaccuracy of the real time location determined from the real time Kalman filter, selects the predictive location determined from the delay Kalman filter as a new real time location of the aircraft. | 11-05-2009 |
20090312948 | METHODS AND APPARATUS FOR USING POSITION/ATTITUDE INFORMATION TO ENHANCE A VEHICLE GUIDANCE SYSTEM - An enhanced vehicle guidance system comprising a global navigation satellite system (GNSS) receiver and a data processor with a memory component and a computing device. The method of enhancing a vehicle's guidance system may comprise calculating the altitude, latitude, and longitude of a GNSS receiver for each of a plurality of positions; calculating the incline angle between adjacent points; and using the calculated incline angles to infer the attitude of the vehicle at any of the plurality of positions. The attitude may be used to calculated an inertial correction factor to compensate for GNSS position inaccuracies induced as a result of the vehicle rolling and pitching on uneven terrain. The altitude, latitude, longitude, and attitude of the plurality of positions may be stored in the memory such that the system may look-up the attitude for a given position without recalculating the attitude and without using an inertial sensor. | 12-17-2009 |
20100010740 | PERMISSION MODULE ON MOBILE COMPUTING DEVICE - A system, apparatus, and method for techniques to retrieve and process information from communication networks on a mobile computing device are described. The apparatus may include a first interface module to receive a query and to display results of said query. The results include location information of at least one entity associated with the query. The apparatus may include a second interface module to transfer the query to a data source server, receive the results from the data source server, and transfer the results to said first interface. Other embodiments are described and claimed. | 01-14-2010 |
20100057359 | LOCATION SYSTEMS FOR HANDHELD ELECTRONIC DEVICES - An electronic device such as a portable electronic device is provided. The device may have wireless circuitry such as a global satellite navigation system receiver for receiving global satellite navigation system signals and for producing corresponding global satellite navigation system data. The global satellite navigation system data may include information on the current position of the portable electronic device. The portable electronic device may also have one or more sensors that are used to gather data in addition to the global satellite navigation system data. The sensors may include accelerometers and other devices capable of determining how the portable electronic device is oriented with respect to the Earth's magnetic field and how the device is being moved. When the device is moved, the movement and resulting change in orientation may be used in conjunction with the global satellite navigation system data to compute a current geographic location. | 03-04-2010 |
20100070178 | METHOD AND SYSTEM FOR VEHICLE ORIENTATION MEASUREMENT - The orientation of a self-propelled vehicle or a towed vehicle relative to the direction of travel of the vehicle can be determined by mounting two ground speed sensors on the vehicle. The orientation of the vehicle relative to the direction of travel of the vehicle can be used to correct the error in the location of an implement mounted on the vehicle determined by a GPS system mounted on the vehicle or the vehicle towing the implement due to crabbing of the vehicle as the vehicle travels substantially perpendicular to a significant slope. | 03-18-2010 |
20100082250 | ANGULAR VELOCITY SENSOR CORRECTING APPARATUS AND METHOD - A GPS measuring unit receives a signal from a GPS satellite and outputs GPS measurement data including at least orientation of an object. An angular velocity sensor outputs angular velocity of the object. An offset value computing unit estimates a running condition of the object on the basis of the measurement data and the angular velocity. The offset value computing unit sequentially derives a temporary offset value of the angular velocity sensor in accordance with the estimated running condition of the object. The offset value computing unit derives an offset value of the angular velocity sensor by executing statistical process on the temporary offset value of the angular velocity sensor. A forgetting factor in the statistical process is changed according to the running condition of the object. | 04-01-2010 |
20100094554 | Systems and Methods for Accessing Data Over a Short-range Data Link to Enhance the Performance of a Navigational Unit - A method for accessing data from a secondary device to enhance position data of a navigation unit is described. A short-range data link is established between a navigation unit and a secondary device. Secondary time data is received from the secondary device over the short-range data link. Secondary position data is received from the secondary device over the short-range data link. | 04-15-2010 |
20100100321 | SYSTEM AND METHOD FOR USE OF A VEHICLE BACK-UP CAMERA AS A DEAD-RECKONING SENSOR - Systems and methods are disclosed herein to use a vehicle back-up camera as a cost-effective dead-reckoning sensor in satellite-based vehicle navigation systems. Since the back-up camera may already use a display of the navigation system for display, the data from the back-up camera may be easily obtained and integrated into the navigation system. The data from the camera is received by a navigation receiver wirelessly or through a wired connection. The image is processed to determine the speed, heading, turn-rate of the vehicle to aid the satellite-based navigation system if the satellite signals are inadequate. Thus, enhanced vehicle navigation- performance can be obtained without adding new sensors and/or connecting to a vehicle data bus. | 04-22-2010 |
20100169014 | METHOD AND DEVICE FOR DETERMINING A RELIABLE POSITION OF AN AIRCRAFT - The invention relates to a method and device for determining a reliable position of an aircraft. The device ( | 07-01-2010 |
20100174486 | VEHICLE POSITION SPECIFYING DEVICE, VEHICLE POSITION SPECIFYING METHOD, AND DRIVING ASSISTANCE DEVICE - A vehicle position specifying device includes a reception unit that is installed in a vehicle and receives radio waves transmitted from a positioning satellite, a measurement unit that measures coordinates of the reception unit based on a reception result of the reception unit, a communication unit that acquires vehicle-position information on a position of an own vehicle from outside the vehicle, and a calculation unit that calculates an installation position of the reception unit in the vehicle based on the coordinates of the reception unit and the vehicle-position information. | 07-08-2010 |
20100179757 | POSITIONING DEVICE AND POSITION MEASUREMENT INTERVAL CONTROL METHOD - A portable terminal includes a body movement sensor configured to detect a movement of a user; a normal moving pattern storage unit configured to store, in advance, a normal moving pattern; a moving state determination unit configured to determine the moving state from the movement; a normal moving certainty calculation unit configured to calculate a normal moving certainty indicating a degree of coincidence between the normal moving pattern and the moving state determined at time of detecting the movement; a position measurement interval controller configured to calculate a position measurement interval depending on the normal moving certainty; and a positioning unit configured to measure a current position of the portable terminal at the position measurement interval. | 07-15-2010 |
20100211313 | METHOD AND SYSTEM FOR MANAGING AND DETECTING MULTIPLE ROUTES IN A NAVIGATION SYSTEM - According to a first aspect, the invention relates to a method for controlling the navigation system of a carrier (P) receiving signals from a plurality of transmitters (T | 08-19-2010 |
20100250132 | OPTIMAL CODING OF GPS MEASUREMENTS FOR PRECISE RELATIVE POSITIONING - A system for coding GPS measurements in a vehicle satellite communications system. The system includes a stand-alone position and velocity estimator that generates an estimated latent state vector from GPS measurements received at a first time and a prediction of a latent state vector from a previous time. The system also includes an observation prediction model that calculates an observation prediction from the estimated latent state vector. The system further includes a first differencer that provides a difference between the observation prediction and the GPS measurements, and a first Huffman encoder that provides a coded output from the difference. The system also includes a state prediction model that provides the predicted latent state vector and a second differencer that provides a difference between the estimated latent state vector and the predicted latent state vector. A second Huffman encoder encodes the difference from the second differencer. | 09-30-2010 |
20100286911 | ELECTRONIC DEVICE WITH OBJECT GUIDING FUNCTION AND AN OBJECT GUIDING METHOD THEREOF - The present invention discloses an electronic device with object guiding function and the method thereof. In one embodiment, the electronic device includes a view window area, via which a user may watch a view. The electronic device may determine whether an object is located in the view window area when the user inputs the position of the object, and may further show an object indicating message or an object guiding message according to the determination result. Therefore, the electronic device is able to provide the user with short distance guiding function. In another embodiment, the electronic device may also show information related to the object located in the view window area, such as information about every mountain range, constellation, user's friends, or specific landmark that is located in the view window area. | 11-11-2010 |
20110054790 | INTER-MOVING BODY INTERFEROMETRIC POSITIONING SYSTEM, DEVICE AND METHOD THEREOF - An inter-moving body interferometric positioning system for carrying out positioning in coordination with three or more moving bodies that can mutually communicate, including: a reference vehicle decision unit for deciding on a single moving body to function as a reference vehicle from among three or more moving bodies, and a positioning unit for interferometrically determining respective relative positions of other moving bodies relative to the reference moving body that is to function as a reference vehicle decided on by the reference moving body decision unit using satellite wave monitoring data monitored in each of the three or more moving bodies. This inter-moving body interferometric positioning system specifies relative positions among the other moving bodies using positioning results of the positioning unit. | 03-03-2011 |
20110106449 | METHODS AND APPLICATIONS FOR ALTITUDE MEASUREMENT AND FUSION OF USER CONTEXT DETECTION WITH ELEVATION MOTION FOR PERSONAL NAVIGATION SYSTEMS - Methods and apparatuses for estimating a user's altitude with respect to the mean sea level are provided. According to some aspects, the present invention is able to estimate altitude in both open sky as well as in degraded GPS signal environments such as dense urban canyon environments where GPS performance is affected by fewer available satellites and/or multipath error. According to other aspects, the present invention uses data from a pressure sensor to estimate altitude, either with or without the use of GPS aiding data. According to further aspects, estimated altitude is integrated with other types of dead reckoning data to provide user context detection pertaining to changes of altitude. | 05-05-2011 |
20110144911 | METHOD OF PROCESSING GLOBAL NAVIGATION SATELLITE SYSTEM DATA - A method of processing global navigation satellite system (GNSS) data includes identifying one or more GNSS satellites servicing a predefined area, receiving at least one of GNSS almanac data or space-based augmentation system (SBAS) data for the satellites servicing the predefined area, determining the performance of the GNSS satellites servicing the predefined area using the almanac data or SBAS data, and applying a performance rating to the predefined area based on the performance of the GNSS satellites. | 06-16-2011 |
20110246068 | HYBRID NAVIGATION SYSTEM WITH NON-NETWORK UPDATE AND METHOD OF OPERATION THEREOF - A method of operation of a hybrid navigation system includes: providing a peer-to-peer communication controller for communicating with a first vehicle; linking a second peer-to-peer communication controller for communicating between a second vehicle and the first vehicle; providing a communication and navigation controller for monitoring a regional network for the first vehicle or the second vehicle including storing saved route information; and preparing a first route history file for transferring from first vehicle to the second vehicle including providing the first route history file from the saved route information for displaying in the second vehicle when the regional network is not available. | 10-06-2011 |
20110257885 | METHOD AND APPARATUS FOR GEOGRAPHICALLY AIDING NAVIGATION SATELLITE SYSTEM SOLUTION - The present invention is related to position calculation and navigation systems, and more particularly, to a method and apparatus for making accuracy improvements to a GPS receiver's navigation solutions. According to a first aspect, selective cartography information from a map database accessed by a GPS receiver from a location-aiding device is integrated into the position calculations performed by the GPS receiver. According to another aspect, selective cartography information includes indices representing associated attributes of geographical objects, such as, a width-indicator index for a road segment. | 10-20-2011 |
20110264371 | ROUTE CALCULATION METHOD FOR A VEHICLE NAVIGATION SYSTEM - Traffic information, including flow information and incident information, obtained through a traffic management system for providing and facilitating the exchange of traffic information between a remote location and a vehicle may be used in route calculation by a navigation device. The navigation device may recalculate a route based on anticipated user error. Alternatively, the navigation device may recalculate a route using received traffic information triggered by the receipt of a traffic information update, or triggered by the passage of an amount of time. The broadcast rate of traffic information updates may vary temporally (providing more frequent updates during peak commute times) or geographically (providing more frequent updates to metropolitan areas with increased traffic information needs). If route calculation is triggered by an elapsed amount of time, the amount of time may vary to be shorter during peak commute times. Additional route calculation techniques allow the incorporation of historical traffic information or the use of the most recent traffic information if incomplete traffic information is available. Still further route calculation techniques may calculate a best route by avoiding zigzagging or evaluating an assigned cost of a potential route. | 10-27-2011 |
20110288772 | CURRENT POSITION DETECTOR FOR VEHICLE - A current position detector for a vehicle includes: an angular speed sensor; a speed sensor; a GPS receiver; a traveling trajectory estimating element for estimating a relative trajectory based on an orientation change amount and a traveling distance, and for estimating a traveling trajectory based on the relative trajectory and a GPS signal; and an error estimating element for estimating and correcting each error of an angular speed signal, a speed signal and the GPS signal. The error estimating element estimates a gain error of the angular speed signal such that an attachment angle gain error attributed to an attachment angle of the angular speed sensor and an angular speed gain error attributed to a non-linear gain property of the angular speed sensor are independently estimated. | 11-24-2011 |
20110295503 | Method of Determining the Own-Vehicle Position of a Motor Vehicle - A method of determining the own-vehicle position of a motor vehicle having a navigation system fixedly installed in the motor vehicle includes the steps of: providing a mobile terminal having the suitability for self-localization; providing an interface for the communication-related link-up of the mobile terminal to the motor vehicle; determining the own-terminal position of the mobile terminal by self-localization; transmitting the own-terminal position by way of the interface to the motor vehicle; and taking into account the transmitted own-terminal position when determining the own-vehicle position. | 12-01-2011 |