Applications to the dynamics of the suspension system of fast finite time stability in probability of p-norm stochastic nonlinear systems

Junsheng Zhao, Yixuan Yuan, Zong-yao Sun and Xiangpeng Xie

Applied Mathematics and Computation, 2023, vol. 457, issue C

Abstract: This paper elucidates the finite-time stability in probability problem for a class of p-norm stochastic nonlinear systems. Among them, from the point of view of convergence speed, finite-time control does have optimal properties. Consequently, a fast finite-time criterion for deterministic systems is established. However, although there exist a significant amount of results on fast finite time stability, there is no article involves p-norm stochastic nonlinear systems case available so far. There are random disturbance terms that made the traditional fast finite-time control methods inapplicable. To overcome this problem, we establish a fast finite-time control criterion for stochastic systems by revamping the fast finite time method of deterministic systems. Then, with the aid of sign function and adding a power integrator technology, a non-Lipschitz continuous state feedback controller is established successfully. Next, the control strategy can effectively improve the control speed compared to the existing results in this paper. Finally, numerical and dynamic suspension simulations are offered to augment our theoretical analysis results, and comparison plots with conventional control strategies are shown.

Keywords: Fast finite time stability in probability; Dynamics of the suspension system; State feedback; P-norm stochastic nonlinear systems (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:apmaco:v:457:y:2023:i:c:s0096300323003909

DOI: 10.1016/j.amc.2023.128221

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