Stability and Stabilization of 2D Linear Discrete Systems with Fractional Orders Based on the Discrimination System of Polynomials

Xiaoxue Li, Xiaorong Hou, Jing Yang and Min Luo
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Xiaoxue Li: School of Automation Engineering, University of Electronic Science and Technology of China, Xiyuan Ave, Chengdu 611731, China
Xiaorong Hou: School of Automation Engineering, University of Electronic Science and Technology of China, Xiyuan Ave, Chengdu 611731, China
Jing Yang: School of Automation Engineering, University of Electronic Science and Technology of China, Xiyuan Ave, Chengdu 611731, China
Min Luo: School of Electrical Engineering and Information, Southwest Petroleum University, Xindu Road, Chengdu 611731, China

Mathematics, 2022, vol. 10, issue 11, 1-14

Abstract: This paper considers the stability and stabilization of two-dimensional (2D) fractional-order systems described by state-space model based on the discrimination system of polynomials. Necessary and sufficient conditions of stability and stabilization are established. We change the criterion for checking the stability of linear discrete-time 2D fractional-order systems into an easy checking criterion whether some polynomials are positive. We use the discrimination system of polynomials to check the new conditions. For the stabilization problem, we get a stable gain matrix region. The unstable system with the gain parameters of the stable gain matrix region is stable. We give the method of stability analysis and stabilization for the general 2D fractional-order system. An example shows the validity of the proposed stability and stabilization methods.

Keywords: 2D fractional-order systems; stability; stabilization; the discrimination system for polynomials (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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