基于STM32微控制器,设计了无人机滑跑轮速测量系统的信号采集、信息处理和通讯电路.分析了轮速传感器的测量原理与轮速的测速原理,完成了测量系统的整体设计.开发了测量系统的应用程序,包含了轮速信号的采集、轮速信息处理、滑跑侧偏判断及RS422通讯的功能.试验表明:无人机滑跑轮速测量系统测量准确,性能稳定,能够满足对无人机滑跑时轮速测量及侧偏判断的要求.%Based on the STM 32 microcontroller , the signal collection circuit , information processing circuit and communica-tion circuit of the UAV taxiing wheel speed measurement system was designed .The measuring principle of the wheel speed sensor and the wheel speed measuring principle were analyzed .The overall mechanical structure design of the measurement system was completed .The application that contains the wheel speed signal acquisition , wheel speed information processing and RS 422 com-munication function was developed .The experiment demonstrates that UAV taxiing wheel speed measurement system is accurate and stable, it can meet the requirements of the wheel speed measurement when the UAV sliding .
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