Stability analysis of a fuzzy logic controller for an uncertain dynamic system

Author

Yi, Soo Yeong ; Chung, Myung Jin

Author_Institution

Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Taejon, South Korea

fYear

1994

fDate

26-29 Jun 1994

Firstpage

1028

Abstract

Although the fuzzy logic controller (FLC) has been adopted in many engineering applications, its performance is not guaranteed since there is no definite stability analysis. It may be the main factor that we hesitate to adopt the FLC in critical applications. In this paper, a guideline of systematic analysis and design of a FLC is presented for guaranteeing the stability and/or the performance. Based on the well-developed conventional robust control theory, we account for the relationship between the tracking accuracy of a control system and the I/O fuzzy set membership shapes of the FLC. It is also possible to explain the performance or the stability of commonly used FLCs through the proposed guideline for the design and analysis

Keywords

fuzzy control; fuzzy logic; fuzzy set theory; robust control; stability; uncertain systems; I/O fuzzy set membership; accuracy tracking; fuzzy logic controller; robust control; stability analysis; systematic analysis; uncertain dynamic system; Control systems; Fuzzy control; Fuzzy logic; Fuzzy set theory; Fuzzy systems; Guidelines; Performance analysis; Robust control; Shape control; Stability analysis;

fLanguage

English

Publisher

ieee

Conference_Titel

Fuzzy Systems, 1994. IEEE World Congress on Computational Intelligence., Proceedings of the Third IEEE Conference on

Conference_Location

Orlando, FL

Print_ISBN

0-7803-1896-X

Type

conf

DOI

10.1109/FUZZY.1994.343877

Filename

343877