Tuning of fuzzy logic controllers by parameter estimation method

Alang Md Rashid, Nahrul Khair and Heger, A. Sharif (1993) Tuning of fuzzy logic controllers by parameter estimation method. In: Fuzzy Logic and Control: Software and Hardware Applications. Environmental and Intelligent Manufacturing Systems Series, 2 . Prentice Hall, USA, pp. 374-392. ISBN 0-13-334251-4

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Abstract

Fuzzy logic controllers (FLC) require fine tuning to match the rules to the membership functions or vice-versa. For the class of FLCs that mimic human process operators, the rule-membership function mismatch arises from the lack of information on the specifications of the membership functions. The rules that are incorporated into the FLC knowledge base are broad generalizations of the operators’ control strategy. While the rules are readily available from the operator, the specifications of the membership functions are harder to define. For the class of FLCs that are used to control a process in which the control actions are not known a-priori, the rules and membership functions are derived using heuristics or based on the dynamics of the process that are obtained using simulation models. In this class of FLCs, and the one mentioned earlier, overlaps between variables fuzzy subsets, the slopes, and the functions used in defining the membership values all tend to dilute the generality of the rules and introduce specifics to the FLC.

Item Type:	Book Chapter
Additional Information:	5928/1294
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800 Electronics. Computer engineering. Computer hardware. Photoelectronic devices > TK7885 Computer engineering
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Mechatronics Engineering
Depositing User:	Dr. Nahrul Khair Alang Md Rashid
Date Deposited:	24 Dec 2013 09:22
Last Modified:	09 Aug 2017 10:09
URI:	http://irep.iium.edu.my/id/eprint/1294

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