基于神经网络的电动机故障诊断设计.pdf

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基于神经网络的电动机故障诊断设计.pdf

Mar.2015 Hydromechatronics Engineering Vol.43 No.6 Hydromechatronics Engineering http://jdy.qks.cqut.edu.cn Email:jdygcyw@126.com Design of motorfault diagnosis based on neural network Junshuang MA (Department ofInformationEngineering,Tangshan College,Tangshan063000,China) Abstract:In thispaper,it studiesthe model structure ofradialbasisfunction (RBF)neuralnetwork andthe im plementationofACmotorfaultdiagnosisbasedonneuralnetworktheoryandintelligentcontroltechnology.There sult showsthat usingRBFneural network canmore effectively addressthe problemoffault diagnosisofACmotors for itsfast training speed and its smaller approximation error. Key words:Motor,Fault diagnosis,Neural network doi:10.3969/j.issn.1001-3881.2015.06.022 Document code:A CLCnumber:TP183 otherrotating machine,the AC motorwill be inevita 1 Introduction bly affected by the initial failuresin the processofe lectrical and mechanical energy conversion.If the  The motor is one ofthe important equipment in in faults has not been diagnosed and ruled out,it must dustrial production,and its faults have serious effect result in the damage accident ofmotors. on the reliability ofthe production and the normal op erationofcontrol systems.However,theregularmain 3 Mathematical description of AC mo tenance of the large number of motor is a very high tor faults cost ofthe project andwill bringgreat economic losses to the company,so it is very difficult to conduct a 3.1 The dynamic characteristics ofthe motor comprehensive inspection unless finding the signs of  When the singlephas

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