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    • 4. 发明公开
    • Tire grip level estimation apparatus and method, and running condition control method
    • 一种用于轮胎抓地水平的估计和方法用于控制所述行驶状态
    • EP2052915A1
    • 2009-04-29
    • EP09000163.7
    • 2004-05-27
    • Toyota Jidosha Kabushiki Kaisha
    • Ono, EiichiKoibuchi, KenAsano, Kenji
    • B60R16/02B62D6/00B60W40/06
    • B62D6/006B60T8/172B60T2210/12
    • A SAT estimator 16 estimates the SAT generated between the road surface and the tire. A lateral force detector 180 computes the lateral force generated in the wheels. A front-rear direction quantity-of-state arithmetic unit 240 computes the front-rear direction quantity of state generated in the wheels. A SAT model value arithmetic unit 22 computes the SAT model value from the lateral force value, the front-rear direction quantity of state, and tire parameter. Ratio computation means 28 computes a self-aligning ratio on the basis of the self-aligning torque estimated by the SAT estimator 16 and the SAT model value computed by said SAT model value arithmetic unit 22. A grip level estimator 26 estimates the grip level from the SAT model value computed by the SAT model value arithmetic unit 22.
    • 甲SAT估计器16估计的路面与轮胎之间产生的周六 横向力检测器180计算在车轮产生的横向力。 前后方向量-的状态运算单元240计算在车轮生成的状态的前后方向量。 甲SAT模型值运算单元22计算从所述外侧力值,状态的前后方向量,和轮胎参数SAT模型值。 比率计算装置28计算由SAT估计器16和由所述SAT模型值运算部22,一种把手水平估计器26估计从把手水平计算的SAT模型值估计出的自动回正力矩的基础上,以自对准的比 由SAT模型值运算单元22日计算的SAT模型值
    • 6. 发明公开
    • Vehicle steering control device
    • 车辆转向控制装置
    • EP1424263A3
    • 2004-12-01
    • EP03026726.4
    • 2003-11-21
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Koibuchi, KenTsuchiya, YoshiakiHirose, Taro
    • B62D6/00B60T8/00
    • B62D6/003B60T8/175B60T8/1764B60T2260/024
    • A new and novel device for controlling a steering characteristic of a vehicle such as automobile (100) so as to enhance an effect of suppressing a change in a behavior of the vehicle body (12) due to a difference between driving and braking forces (Ffl;Ffr) on the left and right wheels (10FL,10RL;10FR,10RR) is characterized in that the device makes an amount of controlling the steering characteristic smaller as an index indicating an amount of a shift of vertical loads between the left and right wheels (10FL,10RL;10FR,10RR) is increased. The steering characteristic is modified through controlling steering assist torque or a steering angle of the steered wheels (10FL,10FR). The steering assist by the steering control device is fully effective when the vehicle is running on a straight road having surfaces (102A,102B) of different frictional coefficients while less effective on a curved road having a uniform frictional surface, preventing undesirable and unexpected modification of the steering characteristic during turning of the vehicle (100).
    • 一种用于控制诸如汽车(100)的车辆的转向特性的新颖且新颖的装置,以便增强由于驱动力和制动力之间的差异而导致的抑制车体(12)的行为变化的效果(Ffl (10FL,10RL,10FR,10RR)上的左右轮(Ffr)的特征在于,作为表示左右之间的垂直负荷的移动量的指标,该装置使转向特性的控制量更小 车轮(10FL,10RL; 10FR,10RR)增加。 通过控制转向辅助转矩或转向轮(10FL,10FR)的转向角来改变转向特性。 当车辆在具有不同摩擦系数的表面(102A,102B)的直线道路上行驶时,转向控制装置的转向辅助是完全有效的,而在具有均匀摩擦表面的弯曲道路上的效果较差,从而防止不希望的和意想不到的 在车辆(100)转弯期间的转向特性。
    • 7. 发明公开
    • Vehicle steering control device
    • Steuereinrichtung einer Fahrzeuglenkung
    • EP1424263A2
    • 2004-06-02
    • EP03026726.4
    • 2003-11-21
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • Koibuchi, KenTsuchiya, YoshiakiHirose, Taro
    • B62D6/00
    • B62D6/003B60T8/175B60T8/1764B60T2260/024
    • A new and novel device for controlling a steering characteristic of a vehicle such as automobile (100) so as to enhance an effect of suppressing a change in a behavior of the vehicle body (12) due to a difference between driving and braking forces (Ffl;Ffr) on the left and right wheels (10FL,10RL;10FR,10RR) is characterized in that the device makes an amount of controlling the steering characteristic smaller as an index indicating an amount of a shift of vertical loads between the left and right wheels (10FL,10RL;10FR,10RR) is increased. The steering characteristic is modified through controlling steering assist torque or a steering angle of the steered wheels (10FL,10FR). The steering assist by the steering control device is fully effective when the vehicle is running on a straight road having surfaces (102A,102B) of different frictional coefficients while less effective on a curved road having a uniform frictional surface, preventing undesirable and unexpected modification of the steering characteristic during turning of the vehicle (100).
    • 一种用于控制诸如汽车(100)的车辆的转向特性的新的和新颖的装置,以便增强由于驾驶和制动力之间的差异而抑制车体(12)的行为变化的效果(Ffl (10FL,10RL; 10FR,10RR)的特征在于,所述装置使控制转向特性的量变小,作为指示左右之间的垂直负载的偏移量的指标 车轮(10FL,10RL; 10FR,10RR)增加。 通过控制转向辅助转矩或转向轮(10FL,10FR)的转向角来改变转向特性。 当车辆在具有不同摩擦系数的表面(102A,102B)的直路上行驶时,在具有均匀摩擦面的弯曲道路上效能较差时,转向控制装置的转向辅助是完全有效的,防止了不期望的和意想不到的改变 在车辆(100)的转向期间的转向特性。