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    • 9. 发明授权
    • Arrangement for the control of the force-transmission of a four-wheel
drive vehicle
    • 用于控制四轮驱动车辆的力传递的布置
    • US4792011A
    • 1988-12-20
    • US147011
    • 1988-01-13
    • Norbert StelterRainer Wuest
    • Norbert StelterRainer Wuest
    • B60K17/348B60K23/04B60K23/08F16D48/12F16H59/00F16H59/14B60K17/34
    • B60K23/04B60K23/0808F16H59/00F16H2059/142Y10T477/613
    • An arrangement for the control of the force-transmission of a four-wheel drive vehicle in which a main driving axle is driven directly by an internal combustion engine by way of a clutch transmission unit and an auxiliary driving axle is driven by the internal combustion engine by way of a continuously controllable longitudinal clutch. A desired traction force of all wheels is determined from a desired power output and from a velocity of the vehicle, from which a control magnitude for the control of the longitudinal clutch is obtained by a distribution factor dependent on operating or driving parameters. The longitudinal clutch can additionally be controlled either alone or advantageously also in combination with this control magnitude by a further control magnitude which is determined by a square of a rotational speed difference at the longitudinal clutch, having a weighting dependent on operating or driving parameters. The driving behavior achieved therewith enables a good steerability of the vehicle with maximum driving safety and traction.
    • 用于控制主驱动轴由内燃机通过离合器传动单元和辅助驱动轴直接驱动的四轮驱动车辆的力传递的装置由内燃机 通过连续可控的纵向离合器。 所有车轮的期望的牵引力由期望的功率输出和车辆的速度确定,用于控制纵向离合器的控制幅度由取决于操作或驱动参数的分配因子获得。 纵向离合器可以另外单独控制或有利地还与该控制幅度相结合,控制幅度由纵向离合器上的转速差的平方确定,具有取决于操作或驱动参数的加权。 由此实现的驾驶行为能够实现具有最大行驶安全性和牵引力的车辆的良好操纵性。