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开发了一种基于CPLD的简单方便的无人机(UAV)发动机转速检测模块,利用EDA技术,通过VHDL硬件描述语言完成了各模块的设计。阐述了发动机转速测量和转速模拟的原理和实现方法,并对设计方案进行了仿真和系统联调。结果表明:开发的发动机转速测量模块能够实时、准确地采集发动机的转速信号,发动机模拟模块能够精确地提供系统所需频率,能够完成无人机发动机转速检测。
A simple and convenient unmanned aerial vehicle (UAV) engine speed detection module based on CPLD was developed. The design of each module was completed by VHDL hardware using EDA technology. The principle and method of engine speed measurement and speed simulation are expounded. The design scheme is simulated and the system is coordinated. The results show that the developed engine speed measurement module can collect the engine speed signal in real time and accurately. The engine simulation module can precisely provide the required frequency of the system and can detect the engine speed of the UAV.