Fixed-time sliding mode control with mismatched disturbances

Fixed-time sliding mode control with mismatched disturbances

The aim of this article is to develop new second-order fixed-time sliding mode controllers able to tackle mismatched disturbances. Contrary to what is done in the literature, the proposed sliding-mode control strategy does not use disturbance observers because the sliding surface possesses robustnes...

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Veröffentlicht in:Automatica (Oxford) 2022-02, Vol.136, p.110009, Article 110009
Hauptverfasser: Moulay, Emmanuel, Léchappé, Vincent, Bernuau, Emmanuel, Defoort, Michael, Plestan, Franck
Format: Artikel
Sprache:eng
Schlagworte:
Automatic Control Engineering
Computer Science
Fixed-time differentiator
Fixed-time stability
Mismatched disturbances
Sliding mode control
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Zusammenfassung:The aim of this article is to develop new second-order fixed-time sliding mode controllers able to tackle mismatched disturbances. Contrary to what is done in the literature, the proposed sliding-mode control strategy does not use disturbance observers because the sliding surface possesses robustness properties. The results are applied to define a new fixed-time differentiator.
ISSN:0005-1098
1873-2836
DOI:10.1016/j.automatica.2021.110009