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Faults Diagnosis of Ball Bearing Based on Probabilistic Neural Network
Abstract:
To solve the difficulties of establishing precise mathematical model of ball bearing fault diagnosis, a classification method based on probabilistic neural network (PNN) used for ball bearing fault mode classification is proposed. Firstly, this paper analyzed the basic theory of PNN, and then a mapping relationship between feature vector and fault mode is set up based on PNN. Secondly, selections of ball bearing fault features and practical procedure of neural network setting and training are discussed. Experiments and compared with the algorithm of back propagation neural network (BPNN) prove that PNN method is feasible and has better diagnosis efficiency than BPNN.
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1149-1152
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Online since:
March 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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