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    • 2. 发明授权
    • Wheel spin prevention system
    • 车轮防旋转系统
    • US4583611A
    • 1986-04-22
    • US645044
    • 1984-08-28
    • Rudiger FrankHerbert SchrammWerner KopperDieter Worner
    • Rudiger FrankHerbert SchrammWerner KopperDieter Worner
    • B60T8/72B60K28/16B60T8/175B60T8/66F02D29/02F16D66/00B60Q1/00B60K31/00
    • B60T8/175F16D2066/001
    • A versatile system for preventing spinning of driving wheels, especially for commercial road vehicles, is provided by a braking control system in which a logic system responds not only to positive slip (overdriving) of each driven wheel, but also to negative slip (overbraking) thereof and, likewise, not only to over-acceleration, but also to excessive deceleration of the driven wheels. The cycle of control is started by an over-acceleration signal and terminates by the timing-out of a control phase in which hydraulic brake pressure is reduced. Within a control cycle, brake pressure builds up for a driven wheel in response to the simultaneous occurrence of any one of the following four pairs of conditions at that wheel: (a) presence of over-acceleration and of negative slip; (b) presence of over-acceleration and of positive slip; (c) presence of over-acceleration and absence of negative slip, and (d) presence of over-deceleration and of positive slip. For purposes of braking, but not for purposes of reducing engine torque, when over-acceleration occurs at a first driving wheel at one side of the vehicle, a pseudo-positive-slip signal is generated for the driving wheel on the other side, but that pseudo-signal is suppressed if at the first driving wheel there appears a slip signal or an overdeceleration signal.
    • 一种用于防止驱动轮旋转的通用系统,特别是用于商业道路车辆的驱动轮,由制动控制系统提供,其中逻辑系统不仅响应每个从动轮的正滑移(过驱动),而且还响应于负滑动(过度制动) 并且同样地,不仅是过度加速,而且还导致从动轮的过度减速。 控制循环由过加速度信号开始,并且终止于液压制动压力降低的控制阶段的超时。 在控制周期内,响应于同时发生以下四对条件中的任何一个,轮对制动压力建立起来:(a)存在过加速度和负滑差; (b)存在过度加速和正滑移; (c)存在过度加速和没有负滑差,以及(d)存在过度减速和正滑移。 为了制动的目的,但是为了减少发动机扭矩,当在车辆的一侧的第一驱动轮处发生过加速时,对另一侧的驱动轮产生伪正滑信号,但是 如果在第一驱动轮处出现滑移信号或过减速信号,则该伪信号被抑制。