基于IEEE1232的模拟电路TPS自动生成系统开发

Development of Automatic Analog TPS Generating System Based on IEEE 1232

摘要:

目前在模拟电路故障诊断及测试过程中存在两个问题:测试信号的连续性及容差特性造成的测试信号数量巨大,故障知识表示复杂,测试程序(Test Program,简称TP)的编写多用基于决策知识的人工生成方法;通过对IEEE1232标准的体系结构和诊断推理机要求的分析,论文对IEEEE1232模型体系进行扩充,提出一种包含特征提取技术和多种AI诊断方法的诊断知识库生成协议,设计并实现了符合1232标准知识库的TPS自动生成测试系统;提高了诊断知识的移植性,实现了TPS的自动生成;仿真结果证明了该方案的可行性。

Abstract:

Currently there are two problems in analog circuit fault diagnosis and testing process:test signal continuity and tolerance characteristics of the test signal caused a huge number of test signals, the representation of fault knowledge is complex, compile test program mostly based on the decision knowledge of artificially generated. To analysis the IEEE1232 standard architectures and the requirements of inference engine, this article expanse the IEEEE1232 model system for expansion, propose a diagnose knowledgebase generating protocol which contains feature extraction technology and various AI diagnostic methods, comply with 1232 standards diagnose knowledgebase design and implement the automatic analog TPS generating system. Improve the portability of diagnostic knowledge, achieve the TPS automatically generated. The simulation results demonstrate the feasibility of the scheme.