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发明授权
CN106248985B 一种电动自行车电压型车速测量方法和测量装置 有权

一种电动自行车电压型车速测量方法和测量装置
摘要：
一种电动自行车电压型车速测量方法和测量装置，包括电压传感器、信号放大器、滤波器、车速估计器和串口输出模块。电压传感器采集电动自行车驱动电机两相间绕组电压，采集到的信号经过信号放大器和滤波器处理，送入车速估计器，经过车速估计器估计，电动自行车车速经过串口输出模块输出。本发明的有益效果是：以驱动电机为永磁同步电机的电动自行车为研究对象，提出了电动自行车电压型车速测量方法和测量装置，解决了电动自行车车速测量问题，同时提高了测速系统的可靠性。
摘要（英）：

The invention relates to a voltage type speed measuring method and measuring device for an electric bicycle. The measuring device includes a voltage sensor, a signal amplifier, a filter, a speed estimator and a serial output module; the voltage sensor collects the voltage of a winding between two phases of an electric bicycle driving motor; the collected signals are processed through the signal amplifier and the filter; the processed signals are transmitted to the speed estimator; the speed estimator carries out speed estimation; and the speed of the electric bicycle is outputted through the serial output module. According to the voltage type speed measuring method and measuring device for the electric bicycle of the invention, the electric bicycle of which the driving motor is a permanent magnet synchronous motor is taken as a research object. With the measuring method and measuring device adopted, problems in speed measurement of the electric bicycle can be solved, and the reliability of a speed measuring system is improved.

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