D-Stability Constraint for Discrete-time Networked Control Systems

Author(s): Li-sheng Wei , Xu Wu , Min-rui Fei , Jia-cai Wang , Ming Jiang .

Journal Name: Recent Advances in Electrical & Electronic Engineering

Volume 8 , Issue 1 , 2015

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Abstract:

The problem of modeling and D-stability analysis for discrete-time control systems in networked environments is researched. Firstly, a new modeling approach is proposed to describe the network behaviors into a unified framework such as random network-induced delays, packet dropout, and packet disorder etc. And the overall mathematic model of discrete-time networked control systems is derived with state feedback control strategy. Then with this model, the D-asymptotic stability condition, which is dependent on the upper bound of the equivalent network-induced delays, is presented in terms of spectra method. These can guarantee the performance in the presence of communication constraints. Finally, a simulation example is given to demonstrate the effectiveness and efficiency of the proposed theoretical results.

Keywords: Discrete-time networked control systems, D-Stability, networked-induced delay, spectra analysis.

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Article Details

VOLUME: 8
ISSUE: 1
Year: 2015
Page: [57 - 63]
Pages: 7
DOI: 10.2174/2352096508666150107235157

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