A New Failure Mode and Effects Analysis Model of CNC Machine Tool using Fuzzy Theory

摘要：

Failure mode analysis is important in CNC machine tool. In order to assess the failure mode of CNC machine tool, this paper described a new fuzzy FMEA model integrating with fuzzy linguistic scale method. The model proposed a riskspace diagram to explicit the relationship of S,O and D. On the basis of the risk-space diagram, risk priority number is calculated by weighted Euclidean Distance formula and centroid defuzzification based on Alpha-level. This study is used to analysis a type of CNC lathe. Compared with the criticality ranking about another similar type of CNC lathe, the risk ranking of FMEA model revealed that the method is basically same with the actual situation. The results indicated that the fuzzy FMEA used in CNC lathe is a reasonable method corresponding to the manufacturing, and it is a validity foundation for constructing reliability design model or supporting control plan of manufacturing.

关键词： FMEA CNC machine tool fuzzy theory riskspace diagram weighted Euclidean Distance

作者: Zhaojun Yang Binbin Xu Fei Chen Qingbo Hao Xiaocui Zhu Yazhou Jia

作者单位: College of Mechanical Science and Engineering,Jilin UniversityChangchun 130022,China Department of Mechanics,Aviation University of Air Force Changchun 130000,China College of Mechanical Science and Engineering,Jilin University Changchun 130022,China

会议类型: 国际会议

会议名称: 2010 IEEE信息与自动化国际会议(ICIA 2010)

会议地点: 哈尔滨

会议语种:英文

页码: 1-6

在线出版日期: 2010-06-20（万方平台首次上网日期，不代表论文的发表时间）