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    • 8. 发明授权
    • Supervisory system for a vehicle accelerator pedal travel transducer
    • 用于车辆加速器踏板行驶传感器的监控系统
    • US5150681A
    • 1992-09-29
    • US688489
    • 1991-05-21
    • Hermann KullJoachim BergerUlrich GerstungKlaus Bleuel
    • Hermann KullJoachim BergerUlrich GerstungKlaus Bleuel
    • B60Q1/44F02B1/04F02D11/10F02D41/22F02D45/00
    • B60Q1/44F02D11/107F02B1/04
    • In a supervisory system (FIG. 7) for the accelerator pedal transducer (26) in an electronic engine control (EMS) for a vehicle engine, the output signal (U-FFG) of the transducer (26) is interpreted to show whether or not the transducer is at or close to the idling position. The resulting information is compared with the states of idling and pressure switches (18, 28) which shows whether or not the accelerator pedal (30) is actually at or close to its idling position. A contradiction resulting from this comparison indicates a fault and remedial action can be taken by the EMS, for example, to reduce the engine power to a precautionary value. A contradiction between other comparisons shows that one of the switches (18, 28) is faulty. In the event of the accelerator pedal sticking in a depressed position after the driver has lifted his foot and depressed the brake (FIG. 5) a brake signal (BS) can be passed through a gating circuit controlled by the idling switch signal (FFG-LL) to produce a reaction signal(RS). The EMS processes the latter to reduce the engine power to a precautionary safe value.
    • PCT No.PCT / EP89 / 01099 Sec。 371日期1991年5月21日 102(e)日期1991年5月21日PCT提交1989年9月21日PCT公布。 出版物WO91 / 04400 1991年4月4日。在用于车辆发动机的电子发动机控制(EMS)中的加速器踏板换能器(26)的监视系统(图7)中,换能器(26)的输出信号(U-FFG) )被解释为示出换能器是否处于或接近空转位置。 将所得到的信息与空载和压力开关(18,28)的状态进行比较,其显示加速器踏板(30)是否实际上处于或接近其空转位置。 这种比较产生的矛盾表明,EMS可能会发生故障,补救措施可以采取,例如,将发动机功率降低到预防值。 其他比较之间的矛盾表明,其中一个开关(18,28)有故障。 在驾驶员抬起脚部并踩下制动器(图5)之后,当加速踏板粘在踩下位置的情况下,制动信号(BS)可以通过由空转开关信号(FFG- LL)以产生反应信号(RS)。 EMS处理后者将发动机功率降低到预防安全值。
    • 9. 发明授权
    • Method for reliably operating a motor vehicle
    • 一种可靠地操作电动车辆的方法
    • US5119300A
    • 1992-06-02
    • US551452
    • 1990-07-12
    • Ralf-Michael BartkeGerhard StumppDieter SeherHermann Kull
    • Ralf-Michael BartkeGerhard StumppDieter SeherHermann Kull
    • B60K28/00G01D18/00G01P21/02
    • G01P21/02G01D18/00
    • Sensors for motor vehicles emit a base signal when the variable which they measure takes on a base value. For example, a road-speed transducer supplies no pulses when either the vehicle is at standstill or when the sensor is defective. A method for providing a reliable operation of a motor vehicle includes the step of starting a substitute/emergency-function immediately when only the base signal is received from the sensor. If it is later determined that the base signal was only emitted because the measured variable took on its base value, then the substitute/emergency-function is again reversed. By starting a substitute/emergency-function basically always when a checked sensor emits no signal, it is ensured that safety measures are taken as rapidly as possible.
    • 机动车辆的传感器发射一个基准信号,当他们测量的变量是基准值。 例如,当车辆处于静止状态或传感器有缺陷时,道路速度传感器不提供脉冲。 一种用于提供机动车辆的可靠操作的方法包括当仅从传感器接收到基本信号时立即启动替代/紧急功能的步骤。 如果随后确定基本信号仅由于测量变量取其基值而被发出,则替代/紧急功能再次被反转。 当检查的传感器不发出信号时,通常启动替代/紧急功能,确保尽可能快地采取安全措施。