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Compound fault diagnosis for cooling dehumidifier based on RBF neural network improved by kernel principle component
analysis
and adaptive genetic algorithm
Gao, Yunguang ; Ma, Changlin ; Sheng, An
Soft computing (Berlin, Germany), 2023-02, Vol.27 (3), p.1599-1613
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題名:
Compound fault diagnosis for cooling dehumidifier based on RBF neural network improved by kernel principle component
analysis
and adaptive genetic algorithm
著者:
Gao, Yunguang
;
Ma, Changlin
;
Sheng, An
主題:
Application of Soft Computing
;
Artificial Intelligence
;
Computational Intelligence
;
Control
;
Engineering
;
Mathematical Logic and Foundations
;
Mechatronics
;
Robotics
所屬期刊:
Soft computing (Berlin, Germany), 2023-02, Vol.27 (3), p.1599-1613
描述:
Developing fault diagnosis for the cooling dehumidifier is very important for improving the equipment reliability and saving energy consumption. This paper mainly studies and explores the compound fault diagnosis for the cooling dehumidifier. Firstly, the dehumidifier data acquisition system is built, which can be applied to the data acquisition, work status simulation and fault diagnosis. Secondly, a compound fault diagnosis model based on radial basis function neural network (RBFNN) improved by kernel principle component
analysis
(KPCA) and adaptive genetic algorithm (AGA) is proposed. Aiming at the problems that the selection of RBF width depends on expert experience and knowledge, the network structure scale is large or the training speed is slow in the conventional RBFNN models; on the one hand, AGA and K-means clustering algorithm are employed to automatically optimize the RBF width, the number of hidden layer neurons and the neuron centers, which guarantees the model has small structure and fast running speed on the premise of sufficient output precision, and the local optimization problem of K-means clustering algorithm is well suppressed by AGA group calculation; this also ensures the performance of RBFNN; on the other hand, KPCA is employed to reduce the dimension of the model input data, which not only effectively extract the nonlinear features, but also further simplify the network structure. Finally, the proposed method is validated and compared with the conventional models. The results show that this proposed model can not only be effectively applied to the dehumidifier compound fault diagnosis, but also has prominent application advantages.
出版者:
Berlin/Heidelberg: Springer Berlin Heidelberg
語言:
英文
識別號:
ISSN: 1432-7643
EISSN: 1433-7479
DOI: 10.1007/s00500-022-07509-7
資源來源:
SpringerLink Journals AutoHoldings
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