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Content Provider | IEEE Xplore Digital Library |
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Author | Yajun Zhang Tianyou Chai Yue Fu Hong Niu |
Copyright Year | 2009 |
Description | Author affiliation: Key Laboratory of Integrated Automation of Process Industry, Ministry of Education and with the Research Center of Automation, Northeastern University, China (Yajun Zhang; Tianyou Chai; Yue Fu) || institute of system science, Northeastern University, China (Hong Niu) |
Abstract | An adaptive control method based on adaptive-network-based fuzzy inference system (ANFIS) and multiple models is proposed for a class of uncertain discrete-time nonlinear systems with unstable zero-dynamics. The approach is composed of a linear robust adaptive controller, a nonlinear adaptive controller based on ANFIS and switching mechanism. The linear controller ensures the boundedness of the input and output signals, and the nonlinear controller improves the performance of the system. By using the switching scheme, the performance is improved and the stability is achieved simultaneously. Moreover, the ANFIS is used to estimate and compensate the unmodeled dynamics adaptively, which overcomes the uncertainty of neural network and saves the training time of the network and at the same time avoids the possibility that the network becomes trapped in local minima and so on. It improves the convergence rate and the precision of the unmodeled dynamics estimation, thereby improving the control effect. Stability and convergence analysis of the proposed method are established. The simulation results show the effectiveness of the approach. |
Starting Page | 1387 |
Ending Page | 1392 |
File Size | 704744 |
Page Count | 6 |
File Format | |
ISBN | 9781424438716 |
ISSN | 01912216 |
DOI | 10.1109/CDC.2009.5399518 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-12-15 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Adaptive control Programmable control Nonlinear control systems Control systems Convergence Fuzzy control Fuzzy systems Nonlinear systems Robust control Stability |
Content Type | Text |
Resource Type | Article |
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