发明名称 |
Vehicle rollover sensing using angular accelerometer |
摘要 |
A vehicle rollover sensing apparatus and method are provided for predicting a future roll angle and an overturn condition of a vehicle. The apparatus includes an angular accelerometer for sensing angular acceleration of the vehicle and producing an output signal indicative thereof. A first integrator integrates the sensed angular acceleration signal and produces an angular rate. A second integrator integrates the angular rate and generates a current roll angle. A predictor predicts a future roll angle as a function of the sensed angular acceleration, angular rate, and current roll angle. A comparator compares the predicted future roll angle to a threshold value. The apparatus generates a vehicle overturn condition signal based on said comparison, and signals deployment of restraint devices.
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申请公布号 |
US7512461(B2) |
申请公布日期 |
2009.03.31 |
申请号 |
US20030722706 |
申请日期 |
2003.11.25 |
申请人 |
DELPHI TECHNOLOGIES, INC. |
发明人 |
SCHUBERT PETER J. |
分类号 |
G05D1/00;B60R21/0132;B60W40/10;G06F19/00 |
主分类号 |
G05D1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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