关键词: 固体推进剂火箭发动机;发动机试验;故障诊断;故障树形图分析

Abstract: By introducting one case of interact of solid rocket engine ground test,the reason for incorrect analysis due to incorrect verification method was analyzed,and the viewpoint was proposed that in test fault analysis,verification method must be written into fault chart,verification method itself must be verified,and verification method must be focally analyzed as per factors of importance,price,etc

Key words: Solid propellant rocket engine;Engine test;Fault diagnosis;Fault tree analysis