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发明授权
CN101685007B 用于转向角传感器的问题检测方法 有权 转让

用于转向角传感器的问题检测方法
摘要：
本文公开了一种用于转向角传感器的问题检测方法，该传感器检测车辆的方向盘的转角、转向方向和中心位置。使用车辆的行驶状态来确定转向角传感器是否发生了问题，从而即使在转向角中心或转角未被正确地检测时，转向角传感器的问题也可以被有效地检测。此外，使用在传感器的脉冲信号之间不同的特性来确定转向角传感器是否发生了问题，从而即使从转向角传感器输出的三个脉冲信号中的任意一个出问题了，这些脉冲信号也可以被有效地检测到，由此车辆可以稳定地行驶。
摘要（英）：

Disclosed herein is a failure detecting method for a steering angle sensor that detects a turning angle, turning direction and central position of a steering wheel of a vehicle. It is determined whether the steering angle sensor has failed using traveling behavior of the vehicle, and therefore, the failure of the steering angle sensor is effectively detected even when the steering angle center orthe turning angle is incorrectly detected. Also, it is determined whether the steering angle sensor has failed using characteristic differences among pulse signals of the sensor, and therefore, threepulse signals output from the steering angle sensor are effectively detected although any of the pulse signals has failed, whereby the vehicle is stably traveled.

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