Comparison of Fuzzy Logic Controllers for a Multivariable Process

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Provided by: Interscience Open Access Journals
Topic: Hardware
Format: PDF
The Interval Type-2 Fuzzy Logic Controller (IT2FLC) for a Quadruple Tank Process (QTP) is demonstrated in this paper. Here, the interval type-2 based fuzzy membership function is used. The QTP is made to operate in minimum phase mode. The vertices of fuzzy membership functions are tuned with IT2FLC to minimize integral absolute error. Performance of IT2FLC and Type-1 Fuzzy Logic Controller (T1FLC) are compared with de-centralized PI controller, by simulation using Matlab/Simulink. Simulation results show that satisfactory performance for both servo and regulatory responses.
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