An adaptive fault-tolerant control scheme for a class of fractional-order systems with unknown input dead-zones

Caiyun Wang, Xiaoping Liu and Huanqing Wang

International Journal of Systems Science, 2021, vol. 52, issue 2, 291-306

Abstract: An adaptive backstepping fault-tolerant control scheme is presented for a class of fractional-order systems in the presence of unknown input dead-zones. The proposed fault-tolerant control scheme ensures all the closed-loop signals are bounded ultimately. Especially, the tracking error can be made as small as possible by choosing appropriate design parameters. Furthermore, this scheme not only works for fractional-order systems with unknown linear terms but also works for these with unknown nonlinear terms. Finally, several practical examples are simulated to verify the effectiveness of the proposed fault-tolerant control scheme.

Date: 2021
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DOI: 10.1080/00207721.2020.1825874

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