Rain sensor is an important part of intelligent windscreen wiper system of automobile.

雨水传感器是汽车智能雨刷系统的重要组成部分。

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This system senses the amount of rainfall by the infrared rain sensor, and adjusts the speed of wiper based on the fuzzy control algorithm and pulse width modulation technology.

该系统通过红外雨量传感器检测雨量大小，使用模糊控制算法和脉宽调制技术调节雨刷器的速度；给出了系统的总体结构和具体设计方法。

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