Disturbance estimator based dynamic compensator design for fractional order fuzzy control systems
محل انتشار: مجله سیستم های فازی، دوره: 18، شماره: 4
سال انتشار: 1400
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 192
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شناسه ملی سند علمی:
JR_IJFS-18-4_007
تاریخ نمایه سازی: 30 خرداد 1400
چکیده مقاله:
The robust stabilization problem for singular fractional order time delay T-S fuzzy systems with nonlinearities and unknown external disturbances is addressed in this paper. An equivalent-input-disturbance (EID) estimator is used to estimate the impact of external disturbances and nonlinearities on the system output. Based on this EID approach, a dynamic compensator is designed to solve the stabilization problem of the considered system. Moreover, by considering a relevant Lyapunov-Krasovskii functional candidate and by using Lyapunov technique, the stability conditions in terms of LMIs are acquired for the considered closed-loop system. At last, to validate the effectiveness of the proposed result, two numerical examples are provided.
کلیدواژه ها:
Dynamic output feedback design ، disturbance estimator ، unknown external disturbances ، fractional order control systems
نویسندگان
S. Kanakalakshmi
Department of Mathematics, Anna University Regional Campus, Coimbatore ۶۴۱۰۴۶, India
R. Sakthivel
Department of Applied Mathematics, Bharathiar University, Coimbatore ۶۴۱۰۴۶, India
L. Susana Ramya
Department of Mathematics, Anna University Regional Campus, Coimbatore ۶۴۱۰۴۶, India
A. Parivallal
Department of Mathematics, Anna University Regional Campus, Coimbatore ۶۴۱۰۴۶, India
A. Leelamani
Department of Mathematics, Anna University Regional Campus, Coimbatore ۶۴۱۰۴۶, India