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Research Article
Design of an Interval Type-2 Fuzzy Immune Controller

Chan-Hong Chao, Ming-Ying Hsiao, Shun-Hung Tsai and Tzuu-Hseng S. Li

Information Technology Journal, 2010, 9(6), 1115-1123.

Abstract

This study presents a novel Interval Type-2 Fuzzy Immune Control (IT2FIC) for linear and nonlinear discrete systems. The controller is designed by integration of the Interval Type-2 Fuzzy Logic Control (IT2FLC) and immune feedback control law. The type-2 fuzzy logic system is adopted to approximate the undetermined nonlinear function of the immune system. In order to reduce the computational loads of the type-reduction process, a new algorithm is proposed for type-reduction with a geometric analysis, which is utilized to derive a formula for computational geometry. Finally, the computer simulation results demonstrate that the proposed IT2FIC can obtain the best tracking performance among the Type-1 Fuzzy Logic Control (T1FLC), the IT2FIC and the Type-1 Fuzzy Immune Control (T1FIC).

ASCI-ID: 28-1075

Cited References Fulltext

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