飞机航空电子设备故障类型与诊断技术研究

Research on Fault Types and Diagnosis Technology of Aircraft Avionics

随着我国经济实力的提升,航空航天事业得以迅速发展,航空电子系统的结构和功能趋向复杂化,飞机航电设备的维修与保养难度逐渐加大。因此,对于飞机航空电子设备的保养与故障诊断技术的研发,成为保障航空航天事业安全性的重要事项。文章简述并归类了飞机航空电子设备常遇到的故障,并分别从飞机航空电子电路和电子设备两方面提出了数字电路诊断、模拟电路诊断、基于信号处理方法、基于解析模型方法等多种飞机航空电子设备故障诊断技术。

With the improvement of China’s economic strength,the aerospace industry has been able to develop rapidly,the structure and function of avionics systems have become more complicated,and the maintenance and maintenance of aircraft avionics equipment has gradually become more difficult.Therefore,the maintenance of aircraft avionics and the research and development of fault diagnosis technology have become important matters to ensure the safety of the aerospace industry.The article briefly describes and categorizes the faults frequently encountered in aircraft avionics,and proposes digital circuit diagnosis,analog circuit diagnosis,signal processing methods,analytical model-based methods,etc.from both aircraft avionics circuits and electronic equipment.An aircraft avionics fault diagnosis technology.