摘要
开展测试性分析与故障诊断策略设计是测试性设计工作的重要组成部分,能否通过测试性分析设计出最优的故障诊断策略直接影响着系统故障检测能力和故障隔离能力的提高。首先对某型装甲车辆电气系统的组成原理及工作流程进行了分析,针对该系统诊断能力不足,不能对故障进行隔离的缺点,运用拓扑图论对系统进行了测试性建模,并对系统的可靠性影响进行了分析,其次最后设计出合理有效的故障诊断策略。
Testability analysis and fault diagnosis strategy design are important parts of testability design.Whether designing an optimum diagnostic strategy through testability analysis directly affects the improvement of fault detection and isolation ability for systems.Firstly,in the paper,the composing principle and work flow of the armored vehicle＇s electric system were introduced.Aiming at the shortcoming that the system＇s fault detection ability was insufficient and didn＇t has the ability of fault isolation,topological graph is used on the design of system＇s testability model,analysing the reliability effect of the system.At last,a reasonable and effective diagnosis strategy was presented.
出处
《舰船电子工程》
2011年第5期142-145,共4页
Ship Electronic Engineering
关键词
电气系统
可靠性分析
故障检测
故障隔离
诊断策略
electric system
testability analysis
fault detection
fault isolation
diagnosis strategy
