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    • 6. 发明授权
    • Circuit configuration for a brake system with electronic anti-lock
control
    • 具有电子防抱死控制的制动系统的电路配置
    • US5407258A
    • 1995-04-18
    • US146151
    • 1993-11-19
    • Bernhard GiersMathias NiepeltJuergen WoywodGeorg FachingerAndreas Wieland
    • Bernhard GiersMathias NiepeltJuergen WoywodGeorg FachingerAndreas Wieland
    • B60T8/58B60T8/172B60T8/1764B60T8/64B60T8/84B60T8/88B60T8/60B60T8/72
    • B60T8/1764Y10S303/04
    • A circuit configuration for a vehicle with electronic anti-lock control having circuits for individual control of the braking pressure variation in the wheel brakes of the wheels of one vehicle axle and for limiting the yawing moment owing to braking pressure differences. Circuits (6) detect the pressure reduction signals (PA1, PA2) individually per wheel and determine the pressure difference (DA12) from these signals. In the case of different friction values (.mu.-split situation), the mean pressure build-up gradient at the high-value wheel is varied as a function of the pressure difference (DA12) and the vehicle deceleration. At the time of the appearance of the peak yawing moment, namely directly before the low-value wheel will reenter the stable range, the braking pressure at the high-value wheel will be reduced by a value dependent on the vehicle deceleration and on the pressure difference.
    • PCT No.PCT / EP92 / 00609 Sec。 371日期:1993年11月8日 102(e)日期1994年1月31日PCT 1991年3月19日PCT公布。 出版物WO92 / 19478 日期:1992年11月12日。具有电子防抱死控制的车辆的电路配置,其具有用于单独控制一个车辆车轮的车轮制动器的制动压力变化的电路,并且用于限制由于制动压力的偏转力矩 差异 电路(6)分别检测每个车轮的减压信号(PA1,PA2),并根据这些信号确定压力差(DA12)。 在摩擦系数不同的情况下,高值轮的平均压力积分梯度根据压力差(DA12)和车辆减速度而变化。 在出现峰值偏转力矩的时候,即在低值轮子将重新进入稳定范围之前,高值轮的制动压力将减小取决于车辆减速度和压力的值 区别。
    • 7. 发明授权
    • Method for monitoring the emergency braking capability of an electrohydraulic braking system
    • 监控电动液压制动系统紧急制动能力的方法
    • US06705683B2
    • 2004-03-16
    • US10240026
    • 2002-09-27
    • Mathias NiepeltGeorg FachingerAndreas Klein
    • Mathias NiepeltGeorg FachingerAndreas Klein
    • B60T888
    • B60T8/90B60T8/4081B60T13/686B60T17/221
    • To monitor the emergency braking capability of an electro-hydraulic braking system (EHBwherein, during normal operation, the brake pressure in the wheel brakes is generated by means of a pressure source comprised of a hydraulic pump, an umulator, and hydraulic valves, and wherein a switch-over to a hydraulic connection between a master cylinder and the wheel brakes is executed in the event of an emergency braking situation. With predetermined events, e.g. during each initialization of the brake system, the emergency braking capability is checked using the following steps: a) charging of the accumulator, without brake pressure buildup in the wheel brakes; measuring the accumulator pressure, or the accumulator volume or the filling level of the accumulator; b) pressure introduction into the wheel brakes until a predetermined pressure threshold is reached, with the hydraulic pump deactivated or hydraulically uncoupled; c) measuring the accumulator pressure; d) determining and evaluating the accumulator performance in response to the pressure introduction into the wheel brakes for finding out the current volume requirement and/or the condition of the brake fluid, detecting air inclusions, etc., and for judging the current emergency braking capability of the brake system.
    • 为了监测电动液压制动系统的紧急制动能力(EHB,在正常操作期间,通过由液压泵,umulator和液压阀构成的压力源产生车轮制动器中的制动压力,其中 在紧急制动情况下,执行主缸和车轮制动器之间的液压连接的切换,例如在制动系统的每次初始化期间,通过以下步骤检查紧急制动能力的预定事件 :a)对蓄能器充电,无刹车压力累积在车轮制动器中; 测量蓄能器压力或蓄能器体积或蓄能器的灌装水平; b)压力引入车轮制动器,直到达到预定的压力阈值,液压泵停用或液压脱开; c)测量蓄能器压力; d )确定和评估蓄能器性能,以响应于引入到车轮制动器中的压力,以便找出当前的体积要求和/或制动液的状况,检测空气夹杂物等,并且用于判断当前的紧急制动能力 制动系统。