TY - EJOU AU - Zhang, Zejian AU - Wang, Dawei AU - Li, Peng AU - Gao, Xiao-Zhi TI - Design of an Observer-Based Controller for T-S Fuzzy Time-Delay Systems under Imperfect Premise Matching T2 - Intelligent Automation \& Soft Computing PY - 2020 VL - 26 IS - 5 SN - 2326-005X AB - In this paper, the stabilization problem of an observer-based T-S fuzzy time-delay system under imperfect premise matching is studied, in which the T-S fuzzy observer model with time-delay and the fuzzy controller do not share the same membership functions. The objective is to design a state observer and unmatching fuzzy controller such that the closed-loop system with time-delay is asymptotically stable. A sufficient condition for the stabilization via observerbased state feedback under imperfect premise matching is presented, and an observer-based state feedback controller under imperfect premise is also constructed. The proposed control scheme is well capable of enhancing the design flexibility, because the membership functions of the observer-based controller can be arbitrarily selected. A few numerical examples are given to illustrate the effectiveness and advantages of our design method. KW - T-S fuzzy system; time-delay; observer-based controller; imperfect premise matching DO - 10.32604/iasc.2020.010123