Simplified Method of Stability Analysis of Nonlinear Systems without Using of Lyapunov Concept
Simplified Method of Stability Analysis of Nonlinear Systems without Using of Lyapunov Concept作者机构：Department of Electrical Engineering & Automation Faculty of Science and Technology University of Relizane Relizane Algeria
出 版 物：《Journal of Applied Mathematics and Physics》 (应用数学与应用物理（英文）)
年 卷 期：2023年第11卷第4期
页 面：1049-1060页
学科分类：07[理学] 0701[理学-数学] 070101[理学-基础数学]
主 题：Stability Criterion of Nonlinear Systems Eigenvectors State-Space Representation Lyapunov Method
摘 要：In this paper a new simplified method of stability study of dynamical nonlinear systems is proposed as an alternative to using Lyapunov’s method. Like the Lyapunov theorem, the new concept describes a sufficient condition for the systems to be globally stable. The proposed method is based on the assumption that, not only the state matrix contains information on the stability of the systems, but also the eigenvectors. So, first we will write the model of nonlinear systems in the state-space representation, then we use the eigenvectors of the state matrix as system stability indicators.
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