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    • 2. 发明授权
    • Vehicle crash simulator system for testing crash sensors
    • 用于测试碰撞传感器的车辆碰撞模拟系统
    • US5345402A
    • 1994-09-06
    • US71785
    • 1993-06-04
    • Tony GioutsosMichael A. Piskie
    • Tony GioutsosMichael A. Piskie
    • G01P21/00B60R21/01G01M7/08G01M17/007G01M99/00G06G7/70G09B25/02G06G7/48B60Q11/00B60R21/00
    • G01M17/0078B60R21/0132G06G7/70G09B25/02
    • A system (10) for simulating vehicle crashes for testing or evaluating the reliability of a vehicle crash sensor (20) includes a model waveform generator (16) which utilizes a method of modeling an actual vehicle crash waveform to generate an infinite set of model crash waveforms, and subsequently inputs these sets of modeled crash waveforms into a thruster apparatus (12). The thruster apparatus (12) mechanically exerts a force onto the crash sensor (20) corresponding to each input model waveform. The crash sensor response is tracked and analyzed by a test analyzer (18). The model crash waveforms are generated by breaking down a predetermined crash waveform into a crash pulse (signal of interest) and multiplicative noise signal. The multiplicative noise signal is then statistically characterized as a function of time. Randomly variable waveforms from a white noise generator (128) are then modified with the statistical characterization and multiplied with the signal of interest to generate the infinite set of model crash waveforms.
    • 用于模拟车辆碰撞以用于测试或评估车辆碰撞传感器(20)的可靠性的系统(10)包括模型波形发生器(16),其利用对实际车辆碰撞波形进行建模的方法来产生无限的模型碰撞 波形,并随后将这些建模的碰撞波形组输入推进器装置(12)。 推进器装置(12)对应于每个输入模型波形对碰撞传感器(20)机械施加力。 碰撞传感器响应由测试分析仪(18)进行跟踪和分析。 通过将预定的碰撞波形分解成碰撞脉冲(感兴趣的信号)和乘法噪声信号来产生模型碰撞波形。 然后乘法噪声信号被统计学地表征为时间的函数。 然后用统计特征修改来自白噪声发生器(128)的随机可变波形,并与感兴趣的信号相乘以产生无限的模型碰撞波形。
    • 4. 发明授权
    • Method for discriminating long-period, low-velocity crashes
    • 辨别长时间,低速度的碰撞的方法
    • US5490066A
    • 1996-02-06
    • US874431
    • 1992-04-27
    • Tony GioutsosMichael A. Piskie
    • Tony GioutsosMichael A. Piskie
    • B60R21/01B60R21/32
    • B60R21/01332B60R21/0132B60R2021/01322
    • A vehicle crash discrimination method and system for controlling the actuation of a vehicle passenger restraint device (e.g., an air bag or a seat belt harness) comprises determining a vehicle velocity value and comparing it to a predetermined velocity threshold value. If the predetermined velocity threshold value is exceeded, the slope of vehicle acceleration with respect to time (i.e. jerk value) is determined and compared to a predetermined slope threshold value. The passenger restraint device is actuated if the predetermined slope threshold value is exceeded. The present method accurately discriminates between low-velocity crashes in which actuation of the passenger restraint device is not desired and low-velocity, long-time -period crashes in which actuation is desired by setting the velocity threshold equal to approximately half the velocity of a maximum allowable crash in which actuation of the passenger restraint device is not desired.
    • 用于控制车辆乘客约束装置(例如,安全气囊或座椅安全带束带)的致动的车辆碰撞识别方法和系统包括确定车辆速度值并将其与预定速度阈值进行比较。 如果超过预定的速度阈值,则确定相对于时间的车辆加速度的斜率(即加加速度值),并与预定的斜率阈值进行比较。 如果超过预定的斜率阈值,则起动乘客约束装置。 本方法精确地区分不需要乘客约束装置的致动的低速碰撞,并且通过将速度阈值设定为等于大约一半的速度的速度阈值等于期望的低速,长时间的周期性的碰撞 不希望乘客约束装置的致动的最大允许碰撞。