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    • 4. 发明专利
    • Steering apparatus for a vehicle
    • JP5003068B2
    • 2012-08-15
    • JP2006242683
    • 2006-09-07
    • トヨタ自動車株式会社
    • 豊 大沼裕一 小野田
    • B62D6/00B62D5/04B62D101/00B62D113/00B62D117/00
    • PROBLEM TO BE SOLVED: To provide a steering device for a vehicle facilitating the driving of the vehicle by suitably controlling the turned state of a turned wheel relative to the operation of a steering wheel by a driver. SOLUTION: An operation state determination part 42 determines the turning operation state of the steering wheel 11 by the driver. A reference point setting part 43 sets a steering-holding operation point, a cutting-in operation point and a returning operation point as reference points based on the determined operation state of the steering wheel 11. A turning angle variation characteristic determination part 44 determines a cutting-in operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and the maximum operation point is downward projected or a returning operation variation characteristic of a non-linear shape that the variation characteristic of the turning angle δ varied to the reference point and a neutral operation point is upwardly projected using the determined operation state of the steering wheel 11 and the set reference point. Thereby, it can be controlled such that the turned state the left and right front wheels FW1, FW2 can be controlled so as to always become equal in turned states according to turning operation of the steering wheel 11. COPYRIGHT: (C)2008,JPO&INPIT
    • 5. 发明专利
    • Steering system for a vehicle
    • JP4811107B2
    • 2011-11-09
    • JP2006128908
    • 2006-05-08
    • トヨタ自動車株式会社
    • 裕一 小野田
    • B62D6/00B62D1/12B62D5/04B62D101/00B62D113/00B62D117/00B62D119/00
    • PROBLEM TO BE SOLVED: To provide an independent-operation type steering system having high practicability. SOLUTION: In the steering system, a pair of independently operable operation members 14 are provided, a turning device is control device so that the turning quantity of a wheel is determined according to each operational quantity of the pair of operation members 14, and a track direction force providing device 70 is controlled so as to provide the track direction force as the force in the direction along the track set to the pair of operation members 14. The track direction force providing device 70 demonstrates the track direction force including the set ratio realizing component F p as the component for determining the operational quantity ratio which is the ratio of the operational quantity of one of the pair of operation members 14 to the other operational quantity to be the set operational quantity ratio. The steering system can operate each of the pair of operation members 14 as if in a mechanically interlocking manner, and an adequate operation feeling can be given to a driver. COPYRIGHT: (C)2008,JPO&INPIT