基于故障树的民机电源系统汇流条简图页显示故障分析

Failure Analysis Base On Fault Tree For the display fault of Civil Aircraft Power System Bus Schematic Diagram Page

民用飞机电源系统的参数和状态是通过电源系统简图页进行显示的,电源系统中设备的工作状态也可以通过不同的颜色来指示,简图页如果显示故障则说明系统存在故障。故障树分析法是民用飞机系统排故的重要方法,本文以电源系统简图页右直流重要汇流条显示故障为案例,采用故障树分析法对所有导致其失效的可能原因进行分析,最终找出了简图页显示故障的真正原因。

The parameters and status of the civil aircraft power system are displayed through the power system schematic diagram page. The working status of the equipment in the power system can also be indicated by different colors. If the fault is displayed in the schematic diagram page, the system is faulty. Fault tree analysis method is an important method for civil aircraft system troubleshooting. This paper takes the？display fault of the right DC essential bus in the power system diagram as the case, and uses the fault tree analysis method to analyze all the possible causes of its failure, and finally find out the real cause that causes the schematic diagram page display fault.