A system used for on line measurement and fault diagnosis of aircraft power supply system is designed.It is based on DSP, CPLD, FWO and USB.It provides a powerful testing and analyzing tool for APSS.

• 摘要介绍了一种以CPLD为控制核心，DSP芯片为数据处理核心的航空电源状态在线监测与故障诊断系统的设计，讨论了系统的硬件结构和故障诊断方法。