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Content Provider | IEEE Xplore Digital Library |
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Author | Shinq-Jen Wu Cheng-Tao Wu |
Copyright Year | 2006 |
Description | Author affiliation: Dept. of Electr. Eng., Da-Yeh Univ. (Shinq-Jen Wu; Cheng-Tao Wu) |
Abstract | Electromagnetic suspension (EMS) systems are highly nonlinear, especially for current-controlled EMS, which is not only nonlinear to system states abut also to system inputs. And hence, theoretically approach to derive T-S fuzzy system is unsuitable. In this work, we use self-organizing neural-fuzzy technique to obtain affine-TS fuzzy models for both voltage-and current-controlled EMS systems. Based on these two models, affine-type optimal fuzzy controls for these two highly nonlinear systems are derived. The control performance and robustness to external disturbance are demonstrated and are compared with linear type. Since affine T-S fuzzy model can provide one more adjustable parameter for neural-fuzzy modelling, the derived affine TS-based controller could have better performance than linear type as system complexity increases. This phenomena obviously exists in simulation for current-controlled EMS systems |
Starting Page | 173 |
Ending Page | 178 |
File Size | 272375 |
Page Count | 6 |
File Format | |
ISBN | 1424403901 |
ISSN | 1553572X |
DOI | 10.1109/IECON.2006.347487 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2006-11-06 |
Publisher Place | France |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Control systems Fuzzy systems Medical services Fuzzy control Magnetic levitation Nonlinear systems Sliding mode control Voltage Nonlinear control systems Mathematical model |
Content Type | Text |
Resource Type | Article |
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