Research on Optimal Method for Fault Maintenance Strategy Based on AND/OR Graph Searching
The excellent maintainability is the significant characteristic of the aero-engine,which ensures the maintenance high quality,high efficiency and low cost,but values of one attribution of aero-engine fault are more than one.In this paper, we consider a multi-valued test sequencing (MVTS) problem,in which a test may have an arbitrary number of possible outcomes denoting different behaviors.The multi-valued test sequencing problem can be solved through dynamic programming to find the optimal test sequence,but the time and space is large.In order to deal with this problem,we propose multi-valued AO* algorithm, called MVAO*,based on multi-valued heuristic evaluation function (MVHEF) in the AO*.With one aircraft gas turbine engine,we demonstrate that MVAO* is efficient and effective for optimizing test sequences problem with multiple test responses.
fault diagnosis test sequencing heuristic search
Wei Wang Kun Yang Jie Bai Ai-Ling Li Ning Li
College of Aeronautical Engineering Civil Aviation University of China Tianjin 300300,China The Teaching and Research Section of Mechanical Processing The Academy of Equipment Command and Tech
国际会议
2009 8th International Conference on Reliability,Maintainability and Safety(第八届中国国际可靠性、维修性、安全性会议)
成都
英文
670-673
2009-08-24（万方平台首次上网日期，不代表论文的发表时间）