directed functional role model 有向功能角色模型
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。
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