To distinguish and determine between low-speed head-on collision and villainous road driving, and between front pole collision and underride collision, with a simple and inexpensive configuration.SOLUTION: When a head-on collision occurs, a detection acceleration of a front-rear G sensor 2b is not so large as to exceed a threshold value at a time of low-speed head-on collision, and it is medium, after a detection acceleration of a vertical G sensor 2c rises positively and exceeds a first threshold value, if it flips to a minus side and exceeds a second threshold, it is determined that an impact has occurred due to running on a villainous road. When the detection acceleration of the vertical G sensor 2c occurs on a minus side without rising to a plus side and exceeds the second threshold value, it is determined that an impact has occurred due to a front pole collision or an underride collision.SELECTED DRAWING: Figure 1

    【課題】簡単かつ安価な構成により、低速正突および極悪路走行と、正面ポール衝突およびアンダーライド衝突とを区別して判定できるようにする。【解決手段】前面衝突が生じたときに、前後Gセンサ2bの検出加速度が低速正突時のしきい値を超えるほど大きくなく中程度であり、上下Gセンサ2cの検出加速度がプラスに立ち上がって第1のしきい値を超えた後、マイナス側に反転して第2のしきい値を超えた場合には、極悪路走行による衝撃が生じたと判定し、上下Gセンサ2cの検出加速度が、プラス側に立ち上がることなくマイナス側に生じて第2のしきい値を超えた場合には、正面ポール衝突またはアンダーライド衝突による衝撃が生じたと判定する。【選択図】図1


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    Title :

    CREW PROTECTION DEVICE


    Additional title:

    乗員保護装置


    Contributors:
    SHIODE RYO (author)

    Publication date :

    2020-09-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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