In this paper, based on the functional role model theory, the reasoning rule and the technique of FMEA, which are facing to Built in Test BI.
从系统功能设计过程出发，在分析反馈系统工作原理及其功能角色模型构造特点的基础上，认为反馈信号在输入端可等效为正、负、零三种误差信号。
In this paper, based on the functional role model theory, the reasoning rule and the technique of FMEA, which are facing to Built in Test (BIT), are developed.
本文从BIT设计的角度，以功能角色模型理论为基础，导出在反馈系统中的推理规则和故障模式影响分析方法。
Taking FMEA of fuel-metering system of jet plane engine as an example, failure infusing of functional role model, setting-up model of failure, and process of fault analysis was introduced.
并以飞机发动机燃料计量系统FMEA为例，阐述了功能角色模型的故障注入和故障模式的建立，以及故障分析过程。
The research results show this method can resolve a type of fault analysis of the feedback system effectively, and the range of applications of the functional role model is extended along with it.
经案例分析表明，该方法可以比较有效地解决一类带反馈环的故障分析问题，大大提高了功能角色模型的应用范围。
The research results show this method can resolve a type of fault analysis of the feedback system effectively, and the range of applications of the functional role model is extended along with it.
经案例分析表明，该方法可以比较有效地解决一类带反馈环的故障分析问题，大大提高了功能角色模型的应用范围。
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