PROBLEM TO BE SOLVED: To provide a rear wheel steering control device for controlling steering of left and right rear wheels of a vehicle independently, which can prevent steering of the rear wheels outside an allowable range by calculating the allowable range of a steering target value from a vehicle speed and a front wheel steering angle, and can avoid destabilization of a vehicle behavior.SOLUTION: A rear wheel steering control device 130 comprises an electronic control unit 9 for calculating a control target value of steering angles and toe angles of left and right rear wheels, and rear wheel steering control means 13 for controlling the steering angles of the rear wheels according to the control target value input from the electronic control unit 9. The rear wheel steering control means 13 comprises a pair of electronic control devices 13L, 13R for controlling a pair of actuators 14, 15. Each electronic control device 13L, 13R comprises a steering command monitoring part 24 for diagnosing whether or not the control target value is within a prescribed allowable range that varies according to the vehicle speed and a steering angle signal.SELECTED DRAWING: Figure 2

    【課題】 車両の左右の後輪をそれぞれ独立して転舵制御する後輪転舵制御装置において、転舵目標値の許容範囲を車速と前輪舵角から算出し、許容範囲外への後輪転舵を未然に防止し、車両挙動の不安定化を回避する後輪転舵制御装置を提供する。【解決手段】 後輪転舵制御装置130は、左右の後輪の転舵角およびトー角の制御目標値を演算する電子制御ユニット9と、電子制御ユニット9から入力される制御目標値に従って、後輪の転舵角を制御する後輪転舵制御手段13とを有する。後輪転舵制御手段13は、一対のアクチュエータ14,15をそれぞれ制御する一対の電子制御装置13L,13Rを備える。各電子制御装置13L,13Rは、制御目標値が、車速および転舵角信号に応じて変化する定められた許容範囲に入るか否かを診断する転舵指令監視部24を有する。【選択図】 図2


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    Title :

    REAR WHEEL STEERING CONTROL DEVICE


    Additional title:

    後輪転舵制御装置


    Contributors:

    Publication date :

    2017-02-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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