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《中国化学工程学报(英文版)》 2012-06
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Study of Interval Type-2 Fuzzy Controller for the Twin-tank Water Level System

ZHAO Taoyan , LI Ping ** and CAO Jiangtao School of Information and Control Engineering, Liaoning Shihua University, Fushun 113001, China  
For dealing with large static error due to poor immunity of the traditional fuzzy control, a novel interval type-2 fuzzy control system is proposed. By extending the typical membership functions to interval type-2 membership functions, the proposed control system can efficiently reduce the uncertain disturbance from real environment without increasing the design complexity. The simulation results on the water tank level control system showed that the proposed method succeeded in better static and dynamic control with stronger robust performance than the traditional fuzzy control method.
【Fund】: Supported by Program for Liaoning Excellent Talents in University (LJQ2011032);; the National Natural Science Foundation of China (61203021);; the National Science and Technology Support Program (2012BAF05B00)
【CateGory Index】: TP13
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