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    • 31. 发明申请
    • Vehicle steering apparatus
    • 车辆转向装置
    • US20060011404A1
    • 2006-01-19
    • US11132412
    • 2005-05-19
    • Takeshi GotoTatsuo SugitaniRyuichi KurosawaToshiyuki MikidaKenji Tozu
    • Takeshi GotoTatsuo SugitaniRyuichi KurosawaToshiyuki MikidaKenji Tozu
    • B62D5/00
    • B62D6/002
    • In a vehicle steering apparatus, front wheels are controlled to be turned by a computer program processing. A displacement/torque conversion section 51 converts a steering angle θ into a steering torque Td that is in relation of exponential function. A torque/lateral-acceleration conversion section 52, torque/yaw-rate conversion section 53 and torque/curvature conversion section 54 convert into an anticipated lateral acceleration Gd, anticipated yaw rate γd and anticipated turning curvature ρd based upon the steering torque Td. Turning angle conversion sections 55, 56 and 57 calculate target turning angles δg, δy and δp. A turning angle deciding section 58 decides a target turning angle δd among the target turning angles δg, δy and δp according to the detected vehicle speed V. A turning control section 60 controls the steered wheels to be turned into the target turning angle δd. Herewith, the vehicle steering apparatus of the present invention can turn the vehicle so as to be adapted to a man's perception characteristic in all speed areas with respect to an operation on a steering handle by a driver. Therefore, the driver can easily drive the vehicle in all speed areas.
    • 在车辆转向装置中,通过计算机程序处理来控制前轮转动。 位移/转矩转换部51将转向角θ转换为与指数函数关系的转向转矩Td。 基于转向转矩Td,转矩/横向加速度转换部分52,转矩/偏转速率转换部分53和转矩/曲率转换部分54转换成预期的横向加速度Gd,预期的横摆速度gammad和预期转弯曲率。 转角转换部分55,56和57计算目标转向角deltag,deltay和deltap。 转向角决定部58根据检测到的车速V,决定目标转向角deltag,deltay,deltap之中的目标转向角度。转弯控制部60控制转向轮转向目标转向角度deltad。 因此,本发明的车辆转向装置能够相对于驾驶员对转向手柄的操作而使车辆转向所有速度区域中的人的感知特性。 因此,司机可以轻松地在所有速度区域驾驶车辆。