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Information 2015, 6(1), 49-68; doi:10.3390/info6010049

Rough Set-Probabilistic Neural Networks Fault Diagnosis Method of Polymerization Kettle Equipment Based on Shuffled Frog Leaping Algorithm

School of Electronic and Information Engineering, University of Science and Technology Liaoning, Anshan 114044, China
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Academic Editor: Willy Susilo
Received: 5 December 2014 / Revised: 3 February 2015 / Accepted: 13 February 2015 / Published: 27 February 2015
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Abstract

In order to realize the fault diagnosis of the polyvinyl chloride (PVC) polymerization kettle reactor, a rough set (RS)–probabilistic neural networks (PNN) fault diagnosis strategy is proposed. Firstly, through analysing the technique of the PVC polymerization reactor, the mapping between the polymerization process data and the fault modes is established. Then, the rough set theory is used to tackle the input vector of PNN so as to reduce the network dimensionality and improve the training speed of PNN. Shuffled frog leaping algorithm (SFLA) is adopted to optimize the smoothing factor of PNN. The fault pattern classification of polymerization kettle equipment is to realize the nonlinear mapping from symptom set to fault set according to the given symptom set. Finally, the fault diagnosis simulation experiments are conducted by combining with the industrial on-site historical datum of polymerization kettle, and the results show that the RS–PNN fault diagnosis strategy is effective. View Full-Text
Keywords: polymerization kettle equipment; fault diagnosis; rough set; probabilistic neural networks; shuffled frog leaping algorithm polymerization kettle equipment; fault diagnosis; rough set; probabilistic neural networks; shuffled frog leaping algorithm
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, J.-S.; Song, J.-D.; Gao, J. Rough Set-Probabilistic Neural Networks Fault Diagnosis Method of Polymerization Kettle Equipment Based on Shuffled Frog Leaping Algorithm. Information 2015, 6, 49-68.

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