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    • 9. 发明授权
    • Method for releasing an airbag in a motor vehicle
    • 一种用于在机动车辆中释放气囊的方法
    • US5445413A
    • 1995-08-29
    • US304659
    • 1994-09-09
    • Harald RudolfGuido WetzelManfred Mueller
    • Harald RudolfGuido WetzelManfred Mueller
    • B60R21/01B60R21/32G01D1/04G01P15/00
    • B60R21/0132B60R2021/01322
    • A method and system for releasing an airbag in a motor vehicle utilizes an acceleration signal which is measured and processed for the formation of a release criterion. An impact causes an initial increase in the release readiness, which is cancelled after a short period of time if no release has taken place up to that time. In particular in the case of impact processes with moderate acceleration values, such as for example in an offset pole crash, there is the risk that the airbag is released so late that an occupant who has already been substantially displaced forwards towards the steering wheel is additionally endangered by the explosive opening of the airbag. The cancellation of the increased release readiness is controlled by a state variable which corresponds to the forward displacement of an occupant and is obtained by double integration from the acceleration signal with respect to time. The cancellation takes place when the forward displacement exceeds a critical value.
    • 用于释放机动车辆中的气囊的方法和系统利用加速度信号,该信号被测量和处理以形成释放标准。 影响会导致释放准备的初始增加,如果在那段时间之前没有发布,短时间内将被取消。 特别是在具有中等加速度值的冲击过程的情况下,例如在偏移极柱碰撞中,存在安全气囊被释放得太迟的风险,使得已经基本向前移向方向盘的乘员另外 受到安全气囊的爆炸性开口的危害。 增加释放准备的取消由对应于乘员的向前位移的状态变量来控制,并且通过从加速度信号相对于时间的双重积分获得。 取消发生在向前位移超过临界值时。