郑州轻工业学院学报（自然科学版）2011，Vol.26Issue(4)：109-112,4.
基于信息融合技术的变频器隐性故障诊断研究
Research on converter recessive fault diagnosis based on information fusion technology
摘要
Abstract
To solve the problem that by using common fault diagnosis method of motor in frequency-conversion speed-regulation system it is difficult to judge fault types, the method of fault diagonisis based on D-S evidence theory is used,which can reduce uncertainty in fault diagnosis. The fault of converter in the asymmetrical condition is identified from analysis result of three-phase voltage sensors and three-phase current sensors. The fault of the induction motors is identified by the fusion result of three phase stator current. Then the D-S evidence theory is used to fuse and calculate fault features data so as to identify fault. The experiment of diagnosis test showed the method improves precision of fault diagnosis of motor and can meet real-time requirement of diagnosis.关键词
变频调速系统/信息融合/故障诊断/D-S证据理论Key words
frequency-conversion speed-regulation system/ information fusion/ fault diagnosis/ D-S evidence theory分类
信息技术与安全科学引用本文复制引用
朱高中..基于信息融合技术的变频器隐性故障诊断研究[J].郑州轻工业学院学报（自然科学版）,2011,26(4):109-112,4.基金项目
陕西省教育厅自然科学专项(2010JK533) （2010JK533）
渭南师范学院研究生专项(09YKZ017) （09YKZ017）
