Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/44434
標題: Nested design of fuzzy controllers with partial fuzzy rule base
作者: Taur, J.S.
陶金旭
Tao, C.W.
關鍵字: linguistic modelling;intelligent control;logic;model
Project: Fuzzy Sets and Systems
期刊/報告no:: Fuzzy Sets and Systems, Volume 120, Issue 1, Page(s) 1-15.
摘要: 
In this paper, a systematic nested design approach with a partial fuzzy if-then rule base is proposed to reduce the complexity of the fuzzy controllers. In the design procedure, the fuzzy controller is first constructed with a basic fuzzy rule base. When the fuzzy rule base is not sufficient to provide the performance that meets the requirement of the fuzzy control system, the fuzzy rule base contains some unsatisfactory fuzzy rules and needs to be adjusted. After the unsatisfactory fuzzy rules are identified, the fuzzy region controlled by each unsatisfactory fuzzy rule is further partitioned into sub-regions. Based on the nested design procedure, the partial fuzzy rule base of the fuzzy controller is modified by replacing each unsatisfactory fuzzy rule with new fuzzy rules for the corresponding sub-regions. Each fuzzy region of the input space can be partitioned independently into fuzzy sub-regions to avoid generating the redundant rules. The parameters in the fuzzy mechanism are tuned by minimizing a cost function. Simulations are carried out to show the effectiveness of the fuzzy controllers with nested fuzzy if-then rules. (C) 2001 Elsevier Science B.V. All rights reserved.
URI: http://hdl.handle.net/11455/44434
ISSN: 0165-0114
DOI: 10.1016/s0165-0114(98)00404-7
Appears in Collections:電機工程學系所

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