Tradeoffs Between Transmission Intervals and Delays for Decentralized Networked Control Systems Based on a Gain Assignment Approach

Kun-Zhi Liu, Rui Wang, G-P Liu

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    Abstract

    This brief investigates the stability problem of interconnected networked control systems in which there are many local networks, and each network is independent of the others. Several transmission imperfections, including variable transmission intervals, variable transmission delays, and communication constraints, are permitted by each local network. A gain assignment criterion is proposed to assign the gain closely related to the maximum allowable transmission interval (MATI) and maximum allowable delay (MAD) of each local network. Moreover, the tradeoffs between the MATI and MAD of each local network can be computed by solving a series of differential equations with the acquired gains. Finally, a commonly used example is given to show the improvement of the obtained results over the existing literature.

    Original languageEnglish
    Pages (from-to)498-502
    Number of pages5
    JournalIEEE Transactions on Circuits and Systems II: Express Briefs
    Volume63
    Issue number5
    Early online date3 Dec 2015
    DOIs
    Publication statusPublished - May 2016

    Keywords

    • Communication constraints
    • interconnected systems
    • networked control systems (NCSs)
    • transmission delays
    • STABILITY ANALYSIS
    • PREDICTIVE CONTROL

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