Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Characterization of Positive Invariance of Quadratic Convex Sets for Discrete Systems Using Optimization Approaches

Version 1 : Received: 23 April 2023 / Approved: 24 April 2023 / Online: 24 April 2023 (04:10:49 CEST)

A peer-reviewed article of this Preprint also exists.

Lei, Y.; Yang, H.; Ivanov, I.G. Characterization of Positive Invariance of Quadratic Convex Sets for Discrete-Time Systems Using Optimization Approaches. Mathematics 2023, 11, 2419. Lei, Y.; Yang, H.; Ivanov, I.G. Characterization of Positive Invariance of Quadratic Convex Sets for Discrete-Time Systems Using Optimization Approaches. Mathematics 2023, 11, 2419.

Abstract

Positive invariant set is an important concept of dynamic systems. The purpose of this paper is to study the sufficient and necessary conditions that the set of ellipsoids and the Lorenz cone are positive invariant sets of discrete time systems. By means of nonlinear programming and induced norm, the problem of positive invariance is formulated as an optimization problem, and the equivalent dual form optimization is also presented using the dual optimization method. Our results provide more alternative methods for determining the positive invariance of quadratic form convex sets from the point of view of optimization and dual optimization. The effectiveness of this method is demonstrated by numerical examples.

Keywords

discrete-time dynamic systems; positive invariance; ellipsoid; Lorenz cone; optimization

Subject

Computer Science and Mathematics, Applied Mathematics

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