测控技术2025，Vol.44Issue(11)：37-45,9.DOI:10.19708/j.ckjs.2025.11.301
基于BIT和测试性建模的测试性设计方法
Testability Design Method Based on BIT and Testability Modeling
叶爽怡 1栗铭灿 1刘钦 2孙彦鹏 1王金超 1李思远1
作者信息
- 1. 陕西航空电气有限责任公司,陕西 西安 710065
- 2. 中国人民解放军93989 部队,河南 南阳 474350
- 折叠
摘要
Abstract
To address the issues of high subjectivity and low fault detection rate in traditional experience-based testability design methods,a testability design method incorporating built-in test(BIT)and testability modeling is proposed.By comparing the advantages and disadvantages of the current model-based testability design meth-od,the testability modeling technology based on multi-signal flow graph model is selected to design the test-ability scheme.Input data required for modeling is identified and collected,and process-oriented testability modeling,model integration and verification are carried out.Based on the equipment failure mode and effect a-nalysis(FMEA),with the help of BIT technology and computer-aided methods,the compliance of testability quantitative requirements is verified,and the forward design from testability requirements capture,allocation,design to verification is realized.Finally,taking the start-up power generation system as an example,the appli-cation results of BIT and testability modeling in its scheme design are given:5 new BITs are added,the fault detection rate based on the model is 96%,which meets the quantitative index of 90%,and further improves the fault detection rate of the system.关键词
电源系统/机内自检/测试性建模/故障检测/故障模式Key words
power system/BIT/testability modeling/fault detection/failure mode引用本文复制引用
叶爽怡,栗铭灿,刘钦,孙彦鹏,王金超,李思远..基于BIT和测试性建模的测试性设计方法[J].测控技术,2025,44(11):37-45,9.
