指令变换器是测试飞行器工作参数和各路信号的关键设备,故设计一种新型的测试指令变换器工作的系统。该系统采用FPGA为主控制芯片,设计了4个模块,其中综合模块解析转发命令与数据,与其他3个模块配合接收和输出测试所需信号,包括48路电压可调的直流量模拟信号,8路时统信号以及PCM数据。试验结果表明,该系统可靠性高,性能稳定。 Command converter is to test the working parameters of the aircraft and each signal of the key equipment, so the design of a new test command converter work system. The system uses FPGA as the main control chip and has designed four modules, of which the integrated module parses and forwards the commands and data, and cooperates with the other three modules to receive and output the signals required for the test, including 48 analog signals with adjustable voltage and direct current, 8 Road, EC signal and PCM data. The test results show that the system has high reliability and stable performance.