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| Number | Title | Issue Date |
| 8190329 | Steering retention state judging device, driver wakefulness predicting device, and correct course keeping device This steering wheel retention state judging device includes: a torque application unit that applies a torque on a steering wheel of a vehicle, the steering wheel operated by a driver; an angle sensor that detects a steering angle of the steering wheel; and a steerin... | 05/29/2012 |
| 8180530 | Steering control device In a steer-by-wire steering control device for a vehicle using a model following control based on yaw rate or lateral acceleration, the target steering angle(s) of front wheels and/or rear wheels (Sfbs, Srbs) are corrected according a roll rate (Rre) of the vehicle ... | 05/15/2012 |
| 8180529 | Electric power steering apparatus A microcomputer 17 (signal generating section 24) includes an attenuating section 31, which attenuates a specific frequency component included in an input signal. The attenuating section 31 receives a d-axis current value Id and a q-axis ... | 05/15/2012 |
| 8175773 | Electric power steering system with failure detection In an electric power steering system (10) for use in a vehicle incorporated with a vehicle behavior control system (30), a failure detecting unit (12) detects a failure of the electric power steering system according to the steering torque and a... | 05/08/2012 |
| 8175772 | Vehicle steering system and method of controlling the same An electronic control unit receives a detection value from each sensor, and determines a familiarity degree coefficient indicating the degree of driver's familiarity with steering characteristics, using the received detection values. When the coefficient has a value... | 05/08/2012 |
| 8175771 | Control apparatus for electric power steering system There is provided a control apparatus that controls a motor of an electric power steering system to assist a steering effort of an operator. The control apparatus includes a sensor, a parameter computer, a difference computer, a target torque computer, and a motor d... | 05/08/2012 |
| 8170750 | Parametric remedial action strategy for an active front steer system A vehicle parametric active front steering (AFS) system remedial action is described herein. AFS system modules inter-communicate via messages containing parameters. The AFS system detects a message error, determines an invalid parameter, and takes appropriate remed... | 05/01/2012 |
| 8165752 | Steering system of a motor vehicle A steering system of a motor vehicle has a steering wheel which engages a steering rack via a steering pinion of a steering column. A steering torque is exerted by a driver on the steering rack via the steering wheel. A steering torque assistance unit is provided an... | 04/24/2012 |
| 8165753 | Vehicle operation assisting system When a collision avoidance operation determiner determines a collision avoidance operation by a driver, a target assist electrical current calculator calculates a target assist electrical current based on a deviation between a standard yaw rate corrected in accordan... | 04/24/2012 |
| 8155837 | Operating device on vehicle's steering wheel An operating device includes a plurality of steering wheel switches provided on a steering wheel, a display part in which function icons representing functions of the steering wheel switches are arranged in the substantially same layout as the steering wheel switche... | 04/10/2012 |
| 8155836 | System and method for electronically power assisted steering A system and method for controlling a vehicle steering system, comprising receiving at least one signal corresponding to one or more of a lateral acceleration, a longitudinal acceleration, a vertical acceleration, a suspension travel, and a vehicle speed, calculatin... | 04/10/2012 |
| 8150579 | Pump speed command generation algorithm for magnetorheological power steering coupling A method for determining a speed of a power steering pump used in a power steering assembly of a vehicle that has particular application in a vehicle using a magneto-rheological hydraulic power steering (MRHPS) system for improving the fuel efficiency and ride comfo... | 04/03/2012 |
| 8140222 | Electric power steering system A control unit estimates reverse transfer torque transferred from tires to a steering wheel and calculates an assist gain based on the reverse transfer torque. The control unit calculates basic assist torque demand by multiplying torsion torque detected by a torque ... | 03/20/2012 |
| 8140223 | Multiple-antenna GNSS control system and method A global navigation satellite sensor system (GNSS) and gyroscope control system for vehicle steering control comprising a GNSS receiver and antennas at a fixed spacing to determine a vehicle position, velocity and at least one of a heading angle, a pitch angle and a... | 03/20/2012 |
| 8131425 | Optical steering angle sensor for determining the absolute value of the steering angle An optical steering angle sensor for determining the absolute value of the steering angle even when a steering wheel has been revolved several times is provided, having a stator, a rotor with a barcode and evaluation electronics. In one form, the invention provides ... | 03/06/2012 |
| 8131424 | Methods and systems for calculating yaw gain for use in controlling a vehicle A method for calculating a yaw gain for use in controlling a vehicle includes the steps of obtaining a steer angle of the vehicle, obtaining a vehicle speed, determining an adjustment factor for a baseline steering geometry equation, obtaining vehicle understeer gra... | 03/06/2012 |
| 8131426 | Vehicle steering system A control section (10) of a vehicle steering system has a steer-by-wire mode, a power steering mode, and a transition mode. In the steer-by-wire mode, a steering actuator (19) is controlled for steering and a reaction force actuator (11) is cont... | 03/06/2012 |
| 8121759 | Motor-driven power steering apparatus A motor-driven power steering apparatus is provided with a sub control system including a map memory means storing a first window time setting map M1 and a second window time setting map M2 in which a window time is set shorter, a window time setting m... | 02/21/2012 |
| 8116941 | Method for operating an active chassis system A method is provided for operating an active chassis system, in which wheels of at least one axle are arranged with a toe-in angle, and actuating elements which interact with supporting assemblies which are arranged between the wheels and a vehicle body. Wheel conta... | 02/14/2012 |
| 8116943 | Method and apparatus for minimizing driver disturbance in a limited by-wire active steering system A method is provided for limiting a steering angle overlay applied by a steering actuator in a limited by-wire active front steering (AFS) system. The method includes determining a maximum rate limit for the steering angle overlay in order to minimize an undesired d... | 02/14/2012 |
| 8116942 | Steering angle control apparatus for vehicle A steering angle control apparatus for a vehicle includes a first calculating means calculating a longitudinal force, a second calculating device calculating a longitudinal force difference between at least one of right side wheels and at least one of left side whee... | 02/14/2012 |
| 8116945 | Electric power steering device A rotational angle correction controller controls generation of an inverse assist torque using the “phase deviation” due to the correction of the rotational angle θ, thereby performing the rotational angle correction control to smooth rotation of the motor duri... | 02/14/2012 |
| 8116944 | Systems and methods involving torque disturbance rejection A method for controlling a steering system, the method including, receiving a first signal including a position of a component in the steering system, receiving a second signal including a disturbance signal operative to indicate an effect of a first torque disturba... | 02/14/2012 |
| 8116946 | Electric power steering device An electric power steering (EPS) device including a rack actuator that applies assist force to a rack shaft, a column actuator that applies assist force to a column shaft, and an ECU that controls operation of the actuators by supplying drive power to motors, each o... | 02/14/2012 |
| 8108106 | Motion control system for vehicle A motion control system is applied to a vehicle, which has front wheel side suspensions with an anti-dive geometry and rear wheel side suspensions with an anti-lift geometry. When abrupt steering operation is started from a straight-ahead driving state of the vehicl... | 01/31/2012 |
| 8108105 | Electric power steering apparatus and method for controlling same In a control method for an electric power steering apparatus having a steering member, a steering mechanism, and a motor for assisting steering, a steering torque applied to a steering wheel is detected, frequency analysis is performed on the detected torque, and a ... | 01/31/2012 |
| 8103410 | Steering guide device and steering guide method A steering detecting section (11) detects steering angle in the steering operation of a vehicle driver performed for a steering (10) and a control section (12) controls rotational movement of a visual information display (13) based on the... | 01/24/2012 |
| 8099214 | Path planning for autonomous parking A method is provided for determining a vehicle path for autonomously parallel parking a vehicle in a space between a first object and a second object. A distance is remotely sensed between the first object and the second object. A determination is made whether the d... | 01/17/2012 |
| 8099215 | Steering operation force detecting apparatus A steering operation force detecting apparatus enabling to know in detail a force or a moment applied to a steering wheel rim (steering wheel) gripped by a driver during steering is provided. A force and a moment applied to each divided portion 11A and 11 | 01/17/2012 |
| 8099211 | Electric power steering apparatus A microcomputer is provided with an extracting section capable of extracting a specific frequency component from an input signal. The extracting section extracts, from a pinion angle corresponding to a signal indicating a state of the steering system, a frequency co... | 01/17/2012 |
| 8099213 | Road-edge detection A method is provided for detecting road-side edges in a road segment using a light-based sensing system. Input range data is captured using the light-based sensing system. An elevation-based road segment is generated based on the captured input range data. The eleva... | 01/17/2012 |
| 8095271 | Method and device for protecting the driver during driver-independent superposition of steering moments In a method for deactivating a driver assistance system that influences the steering, a driver-independent system steering variable is applied to the steering wheel by the driver assistance system, the value of a driver steering variable applied to the steering whee... | 01/10/2012 |
| 8095272 | Yaw moment control system of vehicle A rotatable grip (ancillary operation member) is provided on a part of a steering wheel body of a steering wheel (main operation member) for turning wheels. When the grip is rotated, a difference is generated between left and right wheels, and a yaw moment generated... | 01/10/2012 |
| 8095273 | Autonomous parking strategy of the vehicle with rear steer A method includes parallel parking a vehicle between a first object and a second object in response to an available parking distance therebetween. The vehicle includes front steerable wheels and rear steerable wheels. A distance between the first object and the seco... | 01/10/2012 |
| 8095270 | Vehicle safety system In a vehicle safety system with a vehicle steering wheel, which has a steering wheel rim, and with at least one capacitive sensor which detects an alteration to an electric or electromagnetic field, the sensor is arranged in or on the steering wheel rim. ... | 01/10/2012 |
| 8086373 | Electric power steering apparatus An electric power steering apparatus includes a steering assist section that applies assist force to a steering system of a vehicle to assist operation of a steering wheel performed by a driver. The steering assist section is actuated by a motor. When there is an ab... | 12/27/2011 |
| 8086372 | Steering support device The present invention aims at providing a steering assistance apparatus which can accurately detect a curve exit of a running path and perform steering assistance control with an excellent running path following capability. The steering assistance apparatus of the p... | 12/27/2011 |
| 8082078 | Methods, systems, and computer program products for steering travel limit determination for electric power steering Methods, systems, and computer program products for steering travel limit determination for electric power steering. Exemplary embodiments include a method, computer program product and system incorporating the method, for implementing steering travel limit determin... | 12/20/2011 |
| 8082079 | Vehicle control apparatus In a case where an engine ECU determines that the engine is started (restarted), the engine ECU notifies an EPSECU that cranking is to be performed to start the engine before performing the cranking. When such a notification is received, the EPSECU gradually reduces... | 12/20/2011 |
| 8073594 | Trailer articulation angle estimation A method for operating a vehicle includes acquiring position information including an azimuth angle between a non-contacting sensor and a wheeled axle of an attached trailer, determining a trailer tongue length correlated to the position information, determining a t... | 12/06/2011 |
