Analysis and synthesis of networked control systems with random network-induced delays and sampling intervals

Haoyuan Sun, Jian Sun*, Jie Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

40 Citations (Scopus)

Abstract

In this paper, the stability of and controller design for networked control systems (NCSs) with network-induced delays and random sampling intervals are investigated. Specifically, the network-induced delays and sampling intervals are assumed random following a joint probability density function. For stability analysis, the system is modeled in the discrete-time domain. In this context, both the moment stability and Lyapunov stability are considered, for which conditions guaranteeing stability are derived leveraging a vectorization technique. By introducing a new matrix decomposition method, the stabilization controller is designed so that the closed-loop system is stochastically stable in the presence of random sampling intervals and network-induced delays. Finally, a benchmark example is provided to validate the effectiveness of the proposed approach.

Original languageEnglish
Article number109385
JournalAutomatica
Volume125
DOIs
Publication statusPublished - Mar 2021

Keywords

  • Matrix decomposition
  • Networked control systems
  • Stochastically stable
  • Vectorization operation

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