Ⅱ型模糊控制综述.pdfVIP

28 1 Vol. 28 No. 1 2011 1 Control Theory Applications Jan. 2011 :2011 II , , ( , 510640) : III, . IIII , I. II, IIIIII , . : II; II; ; II; II; II : TP273 : A Overview of type-2 fuzzy logic control PAN Yong-ping, HUANG Dao-ping, SUN Zong-hai (School of Automation Science and Technology, South China University of Technology, Guangzhou Guangdong 510640, China) Abstract: A type-2 fuzzy set(T2-FS), which has the characteristic of its membership grades themselves being fuzzy sets, is the extension of the traditional type-1 fuzzy set(T1-FS). The type-2 fuzzy logic controller(T2-FLC) based on the T2-FS can deal with both the linguistic and the numerical uncertainty effectively. Thus it can obviously outperform its T1 counterpart under the situation of high uncertainty. We introduce the type-2 fuzzy set and the related system theory; and then, we give a detail review on the research progress of type-2 non-adaptive fuzzy controllers, type-2 adaptive fuzzy controllers and type-2 self-organizing fuzzy controllers, respectively. Finally, we propose the conclusion remarks and further research prospects of the T2-FLC. Key words: type-2 fuzzy sets; type-2 fuzzy logic systems; uncertainty; type-2 fuzzy logic controllers; type-2 adaptive fuzzy controllers; type-2 self-organizing fuzzy controllers 1 (Introduction) I(type-1 fuzzy logic control- , T1-FLC, ler, T1-FLC)Zadeh1965I : 1) , (type-1 fuzzy set, T1-FS), , ; 2) , . ,