Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
11023976 | Information Sciences | 2019 | 24 Pages |
Abstract
In this paper, the problem of sliding-mode fault-tolerant control is addressed for a class of uncertain nonlinear systems with distributed delays and parameter perturbations. By using interval type-2 Takagi-Sugeno (T-S) fuzzy models, the nonlinear systems are formulated , of which uncertain parameters and distributed state delays are represented in a unified type-2 fuzzy framework. In order to tackle with the uncertain parameters in pre-designed membership functions, an adaptive mechanism is utilized to manage the time-varying weightings corresponding to the upper membership functions. A simple linear sliding surface subject to several solvable matrix inequalities is designed by using a reduced-order system. To guarantee the stability of the overall dynamic system, an adaptive sliding mode controller is designed, which can compensate for both uncertainties and distributed delays. Finally, a truck-trailer model system is used in simulations to verify the applicability and effectiveness of the control and estimation schemes.
Related Topics
Physical Sciences and Engineering
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Authors
Yue Zhao, Jiahui Wang, Fei Yan, Yi Shen,