基于可拓规则推理的故障诊断方法

文天柱; 许爱强; 王怡苹

doi:10.13700/j.bh.1001-5965.2015.0166

基于可拓规则推理的故障诊断方法

doi: 10.13700/j.bh.1001-5965.2015.0166

海军航空工程学院科研部, 烟台 264001

基金项目: 总装武器装备预研基金;"泰山学者"建设工程专项经费

详细信息

作者简介:
文天柱男,博士研究生。主要研究方向:电子装备智能诊断方法。Tel.:0535-6635465 E-mail:wentianzhu1987@aliyun.com;许爱强男,博士,教授,博士生导师。主要研究方向:复杂电子装备自动测试技术与综合保障。Tel.:0535-6635482 E-mail:hy_xuaiqiang@163.com

通讯作者:
许爱强,Tel.:0535-6635482 E-mail:hy_xuaiqiang@163.com

中图分类号: V240.2;TP182
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出版历程
- 收稿日期: 2015-03-24
- 网络出版日期: 2016-03-20

Fault diagnosis method based on extension rule-based reasoning

Department of Scientific Research, Naval Aeronautical and Astronautical University, Yantai 264001, China

Funds: Weapons and Equipment Pre-Research Foundation of the PLA General Equipment Department;Special Foundation for "Taishan Scholars" Construction Project

摘要

摘要: 针对产生式规则推理方法存在的推理效率低、知识获取困难以及难以用于多故障诊断等问题,研究基于可拓规则推理的故障诊断方法。首先将基元理论和产生式规则相结合,得到可拓规则的基元表示;然后给出可拓规则匹配度计算公式,并提出按前件基元类型和属性数据类型不同对可拓规则进行分层匹配,对所有匹配成功的可拓规则,提出先删减再排序的冲突消解策略,在算法分析中讨论可拓规则推理的时间复杂度;最后通过应用案例说明可拓规则表示、匹配、推理和冲突消解的全过程,结果表明该方法适用于机载设备的多故障诊断。
- 可拓学 /
- 规则推理 /
- 故障诊断 /
- 规则匹配 /
- 冲突消解
Abstract: Aimed at low inference efficiency, difficult knowledge acquisition and unsuitability for multi-fault diagnosis in production rule reasoning method, the fault diagnosis method based on extension rule-based reasoning is studied. Firstly, the expression of extension rule is obtained by combining basic-element theory with production rule. Secondly, the matching degree formula of extension rules is given, and the hierarchical matching method according to the difference of antecedent mode and data type is proposed. Furthermore, the conflict resolution strategy of "first cut, then sort" is put forward for all extension rules which are matched successfully, and the time complexity of this method is discussed. Finally, the whole process of expression, matching, reasoning and conflict resolution for extension rules is explained by an application case, and the results show that this method can be used for the multi-fault diagnosis of airborne equipment.
- extenics /
- rule-based reasoning /
- fault diagnosis /
- rule matching /
- conflict resolution

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参考文献(15)

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