基于RBR与CBR的维修大纲专家系统

刘明; 左洪福; 耿端阳; 蔡景

基于RBR与CBR的维修大纲专家系统

南京航空航天大学民航学院, 南京 210016

详细信息

中图分类号: V 267.41
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出版历程
- 收稿日期: 2005-06-06
- 网络出版日期: 2006-05-31

Expert system of maintenance review board report based on CBR and RBR

Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

摘要

摘要: 根据飞机维修大纲研制的需要,依据最新的维修指导小组思想和类似机型的维修大纲经验,提出了基于规则推理(RBR)和案例推理(CBR)相结合的民机维修大纲制订方法.构建了民机维修大纲专家系统的总体框架,并对该系统中的关键技术问题——案例的表示和组织、案例的检索、集成推理技术和案例的修正与存储进行了详细分析和研究.案例的检索分两步进行:首先从案例库中找出与新机型尽可能相似的机型,然后,从类似机型中进一步匹配出最相似的项目.集成推理采用RBR和CBR分开推理,再比较结果做出决策.最后,采用面向对象的程序设计方法对该专家系统编程,并以某航空公司飞机验证了RBR和CBR相结合的维修大纲制订方法的有效性.
- 规则推理 /
- 案例推理 /
- 维修大纲 /
- 集成推理技术 /
- 专家系统
Abstract: According to the need of maintenance program development, a civil aircraft maintenance review board report (MRBR) development method was presented according as the latest maintenance steering group(MSG) ideals and the maintenance programs experiences of similar aircrafts. The method integrates case-based reasoning(CBR) with rule-based reasoning(RBR). A framework of civil aircraft MRBR expert system was constructed, and the critical technologies were discussed separately, including the case representation and structure, the case retrieval, the integration reasoning technology, case adaptation and storage. Case retrieval included two steps: firstly, searching the aircrafts in the case base as similar as possible, secondly, matching up to the most similar item from the similar aircrafts. The integrating reasoning was realized by the method that used CBR and RBR separately then compared their results to decision. The expert system was realized using object-oriented design, and the validity of the MRBR with hybrid CBR and RBR was demonstrated by applying the expert system to an aircraft in an airline.
- rule-based reasoning /
- case-based reasoning /
- maintenance review board report /
- integrating reasoning technology /
- expert system

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