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针对某型民机总装试验过程中液压防火切断阀告警问题,对其的控制信号及告警逻辑进行分析,将多因素逻辑故障单因素化,优化设计了故障排除的试验用例,最终定位到两处故障点,对类似问题的试验和排故具有一定的参考意义。
Aiming at the alarm problem of the hydraulic fire cut-off valve in the assembly process of a certain type of civil aircraft, the control signals and the alarm logic of the assembly are analyzed. The multi-factor logic trouble ticket is factorized, and the troubleshooting test cases are optimized to locate at two locations The point of failure, the test of similar problems and troubleshooting with some reference value.