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    • 8. 发明申请
    • Method for triggering means of restraint in a motor vehicle
    • 触发机动车辆限制手段的方法
    • US20030105569A1
    • 2003-06-05
    • US10220192
    • 2002-11-13
    • Michael Roelleke
    • B60R021/00
    • B60R21/0132B60R21/0134B60R21/015B60R2021/01225B60R2021/01245B60R2021/01322
    • A method is described of triggering restraint means in a motor vehicle in the event of an impact and/or a collision with an object, in which the triggering of restraint means, such as airbags and seatbelt tighteners, is better adapted to the concrete impact situation and, in particular, unnecessary triggering of restraint means may be avoided. In the context of this method, the time characteristic of the acceleration is detected in the form of at least one acceleration signal ax. The time characteristic of a velocity nullvx is generated from the acceleration signal ax. A threshold value nullvxth for the velocity nullvx is then determined as a triggering criterion. For this purpose, the impact velocity vclose and the instant of impact t0 are established with the aid of a pre-crash sensor system even before the impact. The impact situation is classified with reference to the impact velocity vclose. With the aid of the classification of the impact situation, a triggering time window nulltA . . . tBnull is determined, in which the time characteristic of the velocity nullvx is generated and, in parallel to this, the threshold value nullvxth for the velocity nullvx is established from the acceleration signal ax, the classification of the impact situation being taken into consideration.
    • 描述了在碰撞和/或与物体碰撞的情况下在机动车辆中触发限制装置的方法,其中诸如安全气囊和安全带紧固器的约束装置的触发更好地适应于具体的撞击情况 并且特别地,可以避免不必要的触发限制装置。 在该方法的上下文中,以至少一个加速度信号ax的形式检测加速度的时间特性。 从加速度信号ax生成速度DELTAvx的时间特性。 然后,将速度DELTAvx的阈值DELTAvxth确定为触发标准。 为此,即使在碰撞之前,借助于预碰撞传感器系统建立冲击速度vclose和冲击瞬间t0。 冲击情况根据冲击速度vclose进行分类。 借助于影响情况的分类,触发时间窗口[tA。 。 。 tB],其中产生速度DELTAvx的时间特性,并且与此并行,根据加速度信号ax建立速度DELTAvx的阈值DELTAvxth,考虑影响情况的分类。