@Article{iasc.2020.010123, AUTHOR = {Zejian Zhang, Dawei Wang, Peng Li, Xiao-Zhi Gao}, TITLE = {Design of an Observer-Based Controller for T-S Fuzzy Time-Delay Systems under Imperfect Premise Matching}, JOURNAL = {Intelligent Automation \& Soft Computing}, VOLUME = {26}, YEAR = {2020}, NUMBER = {5}, PAGES = {905--915}, URL = {http://www.techscience.com/iasc/v26n5/40812}, ISSN = {2326-005X}, ABSTRACT = {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.}, DOI = {10.32604/iasc.2020.010123} }