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A novel wavelet-fuzzy-based controller for robust speed control induction motor drives
Subbiah V.,
Published in Informa UK Limited
2012
Volume: 9
   
Issue: 2
Pages: 185 - 196
Abstract
This paper presents a hybrid wavelet-fuzzy-based multi-resolution (MR) controller for robust speed control of induction motor. In the proposed wavelet-fuzzy-based MR controller, the discrete wavelet transform (DWT) is used to decompose the error between the actual speed and set speed in to different frequency components. A self-tuning fuzzy logic is used for online tuning of the controller parameters. The proposed controller has the ability of meeting the speed tracking requirements in the closed loop system. The complete field oriented control scheme incorporating the proposed wavelet-fuzzy-based MR controller is investigated theoretically and simulated under various dynamic operating conditions. Simulation results are compared with that of standard proportional-integral controller, proportional-integral-derivative controller, fuzzy controller and neuro-wavelet controller. Simulation results validates that the proposed hybrid wavelet-fuzzy-based MR controller is robust and is more suitable for high performance applications. © Institution of Engineers Australia 2012.
About the journal
JournalAustralian Journal of Electrical & Electronics Engineering
PublisherInforma UK Limited
ISSN1448-837X
Open Access0