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    • 5. 发明授权
    • Vehicle suspension comprising an actuator connected between a vehicle
body and wheel in which control of the actuator is dependent on
hydraulic fluid pressure
    • 车辆悬架包括连接在车体和车轮之间的致动器,其中致动器的控制取决于液压流体压力
    • US5619413A
    • 1997-04-08
    • US360796
    • 1995-05-02
    • Robin N. Oakley
    • Robin N. Oakley
    • B60G17/015B60G17/017
    • B60G17/017B60G2202/413B60G2400/102B60G2400/104B60G2400/106B60G2400/204B60G2400/252B60G2400/50B60G2400/91B60G2400/92B60G2500/10B60G2500/20B60G2500/30B60G2600/85B60G2800/18B60G2800/20
    • The present invention provides, with reference to the figure, a vehicle suspension system comprising an actuator (10) connected between the body (17) of a vehicle and a wheel and hub assembly (18) of the vehicle. A source of pressurized fluid (20) and an exhaust for fluid (24) are provided along with a valve (22) for controlling flow of fluid to the actuator (10) from the source of pressurized fluid (20) and/or from the actuator (10) to the exhaust for fluid (24). A sensor (27, 28, 30, 31, 32, 33, 34, 35, 41) is used to generate signals of sensed variable vehicle parameters. A control system for the vehicle suspension system is used which has a processor (25, 20) which processes the signals generated by the sensor (27, 28, 30, 31, 32, 33, 34, 35, 41). The processor (25, 26) outputs a control signal to the valve (22) and thereby controls the actuator (10). The processor in normal operating conditions uses a first set of preprogrammed constants (e.g. control loop gains, integrating factors, desired ride heights) in algorithms used by the processor to calculate the control signal outputted thereby. The processor uses a different set of preprogrammed constants in the algorithms for a chosen time period following activation of the system and/or at low vehicle speeds and/or a low pressure of fluid supplied by the source of pressurized fluid (20).
    • PCT No.PCT / GB93 / 01431 Sec。 371日期:1995年5月2日 102(e)日期1995年5月2日PCT提交1993年7月8日PCT公布。 第WO94 / 01988号公报 日本1994年1月20日本发明参照附图提供了一种车辆悬架系统,其包括连接在车辆本体(17)和车轮和轮毂组件(18)之间的致动器(10)。 提供加压流体源(20)和用于流体(24)的排气物与阀(22)一起,用于控制从加压流体源(20)和/或从加压流体源(20)流到致动器(10)的流体流动 致动器(10)到用于流体(24)的排气。 传感器(27,28,30,31,32,33,34,35,41)用于产生感测的可变车辆参数的信号。 使用用于车辆悬架系统的控制系统,其具有处理器(25,20),其处理由传感器(27,28,30,31,32,33,34,35,41)产生的信号。 处理器(25,26)向阀(22)输出控制信号,从而控制致动器(10)。 处理器在正常操作条件下使用由处理器用于计算由其输出的控制信号的算法中的第一组预编程常数(例如控制环增益,积分因子,期望乘坐高度)。 处理器在系统激活之后的选定时间段和/或在低速车辆速度和/或由加压流体源(20)供应的低流体流体中使用不同的一组预编程常数。