期刊
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS
卷 359, 期 1, 页码 38-65出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jfranklin.2021.01.016
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类别
资金
- CAPES
- CNPq [300777/2017-5, 421486/2016-3, 314537/2020-1]
This paper studies the mean stability and L-infinity performance of continuous-time Positive Markov Jump Linear Systems (PMJLS). The unique aspect of this approach is the consideration of a two-time-scale Markov chain and the singular perturbation setup. The analysis involves the semigroup dynamics of the system state and establishes the homogenized notions of stability and L-infinity performance, which can be connected with linear programming methods.
We address in this paper the mean stability and L-infinity performance of continuous-time Positive Markov Jump Linear Systems (PMJLS). The distinguishing aspect of our approach vis-a-vis the existing literature is that the underlying Markov jump process is a two-time-scale Markov chain, and we consider the singular perturbation setup which arises when a small parameter (which determines the time-scale separation) goes to zero. The interest in this limiting scenario stems from large-scale situations, where complexity reduction is a central issue. To achieve this, we carry out a convergence analysis involving the semigroup that describes the first moment dynamics of the system state. This analysis allows us to subsequently characterize homogenized notions of stability and L-infinity performance, and we show how these can be connected with linear programming methods. A numerical example, regarding a version of the Foschini-Miljanic algorithm for power allocation in a mobile communication system, illustrates the proposed results. (C) 2021 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
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