The global sliding mode tracking control for a class of variable order fractional differential systems

Jingfei Jiang, Huatao Chen, Dengqing Cao and Juan LG Guirao

Chaos, Solitons & Fractals, 2022, vol. 154, issue C

Abstract: In this paper, a novel variable order fractional control approach is proposed for tracking control of both of variable order fractional and constant order fractional order system with uncertain and external disturbance terms. In term of the global sliding mode control theory and terminal sliding mode control method, the system states are guaranteed to stay on the switching surface from the initial time, and then converge to the origin by the designed controllers which are continuous input signals. Such controllers avoid the undesirable chattering and remove the effects of uncertain and external disturbance completely. Finally, the comparison between the variable order fraction controller and the constant order fractional controller is given by numerical simulation, furthermore, numerical results on the effects of the tracking control are provided.

Keywords: Fractional systems with uncertain and external disturbance; Tracking control; Global sliding mode control method; Terminal sliding mode control; Chaos control (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:154:y:2022:i:c:s0960077921010286

DOI: 10.1016/j.chaos.2021.111674

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