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JOURNALS // Avtomatika i Telemekhanika // Archive

Avtomat. i Telemekh., 2023 Issue 1, Pages 3–22 (Mi at15992)

Nonlinear Systems

Stability analysis of mechanical systems with highly nonlinear positional forces under distributed delay

A. Yu. Aleksandrovab, A. A. Tikhonova

a St. Petersburg State University, St. Petersburg, Russia
b Institute for Problems in Mechanical Engineering, Russian Academy of Sciences, St. Petersburg, Russia

Abstract: This paper considers mechanical systems with linear velocity forces and highly non-linear positional forces containing distributed-delay terms. Asymptotic stability conditions of system equilibria are proved using Lyapunov’s direct method and the decomposition method. The developed approaches are applied to the monoaxial stabilization of a solid body. The theoretical outcomes are confirmed by computer simulation results.

Keywords: mechanical systems, distributed delay, stability, decomposition, Lyapunov–Krasovskii functional, monoaxial stabilization.

Presented by the member of Editorial Board: L. B. Rapoport

Received: 28.06.2022
Revised: 25.08.2022
Accepted: 29.09.2022

DOI: 10.31857/S0005231023010014


 English version:
Automation and Remote Control, 2023, 84:1, 1–15


© Steklov Math. Inst. of RAS, 2024