Diagnosing speed sensor defect of an automotive vehicle electronic
control system
    2.
    发明授权
    Diagnosing speed sensor defect of an automotive vehicle electronic control system 失效
    诊断汽车电子控制系统的速度传感器缺陷

    公开(公告)号:US4564916A

    公开(公告)日:1986-01-14

    申请号:US402797

    申请日:1982-07-27

    CPC分类号: G01R31/28 G07C5/0808

    摘要: In a diagnosis apparatus for an electronic control system adapted to vehicles and including a speed sensor for producing speed pulses responsive to the actual vehicle speed, a switch produces a diagnosis signal when actuated upon request for self-diagnosis in operation of the control system. A computer is responsive to the diagnosis signal to discriminate change of the level of each speed pulse during movement of the vehicle and to produce a first signal in dependence upon discrimination of change of the level of each speed pulse and a second signal in dependence upon discrimination of unchangeable state of the level of each speed pulse, and an indicator indicates an error in operation of the speed sensor in response to the second signal and normal operation of the speed sensor in response to the first signal.

    摘要翻译: 在适用于车辆的电子控制系统的诊断装置中,包括响应于实际车辆速度产生速度脉冲的速度传感器,当在控制系统的操作中请求自诊断时,开关产生诊断信号。 计算机响应于诊断信号以区分车辆移动期间每个速度脉冲的电平的变化,并且根据鉴别每个速度脉冲的电平的变化和根据辨别的第二信号产生第一信号 每个速度脉冲的电平不可改变的状态,并且指示符响应于第二信号而指示速度传感器的操作中的错误,并且响应于第一信号指示速度传感器的正常操作。

    Automatic control system for prime movers
    3.
    发明授权
    Automatic control system for prime movers 失效
    原动机自动控制系统

    公开(公告)号:US4481425A

    公开(公告)日:1984-11-06

    申请号:US399957

    申请日:1982-07-19

    摘要: An automatic control system for such a prime mover as a vehicle engine is adapted to automatically stop the prime mover when such a driven device as a vehicle is arrested, to automatically drive the prime mover in response to operation of a starting mechanism for effecting start of the driven device, and to maintain the prime mover in its operative condition when the driven device is moving. The control system is arranged to be inoperative in an expected occurrence of an error in operation of a setting switch for the system and to indicate the operative condition of the system under normal control of the setting switch.

    摘要翻译: 用于这种原动机作为车辆发动机的自动控制系统适于在停车时这样的被驱动装置自动停止原动机,以响应起动机构的操作来自动驱动原动机,以实现启动 被驱动装置,并且当被驱动装置移动时,将原动机保持在其操作状态。 控制系统被布置为在系统的设置开关的操作中预期发生错误并且在设定开关的正常控制下指示系统的操作状态而不起作用。