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Title: A simplified type-2 fuzzy logic controller for real-time control
Authors: Wu, D.
Tan, W.W. 
Keywords: Robust control
Type-2 fuzzy logic
Issue Date: Oct-2006
Citation: Wu, D.,Tan, W.W. (2006-10). A simplified type-2 fuzzy logic controller for real-time control. ISA Transactions 45 (4) : 503-516. ScholarBank@NUS Repository.
Abstract: Increasingly, genetic algorithms (GAs) are used to optimize the parameters of fuzzy logic controllers (FLCs). Although GAs provide a systematic design approach, the optimization process is generally performed off-line using a plant model. Differences between the model and physical plant may result in unsatisfactory control performance when the FLCs are deployed in practice. Type-2 FLCs are an attractive alternative because they can better cope with modeling uncertainties. Unfortunately, type-2 FLCs are computationally intensive. This paper presents a simplified type-2 FLC that is suitable for real-time applications. The key idea is to only replace some critical type-1 fuzzy sets by type-2 sets. Experimental results indicate that the proposed simplified type-2 FLC is as robust as a conventional type-2 FLC, while lowering the computational cost. © 2006 ISA - The Instrumentation, Systems, and Automation Society.
Source Title: ISA Transactions
ISSN: 00190578
Appears in Collections:Staff Publications

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