Controller design for Networked Control Systems-An approach based on L sub(2) induced norm

In this paper a Linear Matrix Inequality (LMI) based methodology has been presented to design a time-driven controller to control a plant over a network with random variable delay (jitter) and packet dropout. The system with controller and network is formulated as a system which switches arbitrarily...

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Bibliographic Details
Published in:Nonlinear analysis. Hybrid systems 2016-02, Vol.19, p.134-145
Main Authors: Halder, Kaushik, Das, Sourav, Dasgupta, Soumya, Banerjee, Shohan, Gupta, Amitava
Format: Article
Language:English
Subjects:
Attenuation
Controllers
Design engineering
Disturbances
Jitter
Methodology
Networks
Switching theory
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Summary:In this paper a Linear Matrix Inequality (LMI) based methodology has been presented to design a time-driven controller to control a plant over a network with random variable delay (jitter) and packet dropout. The system with controller and network is formulated as a system which switches arbitrarily between its constituent sub-systems due to data-loss and/or jitter. A LMI based approach is used and the LMI formulations presented in this paper use a disturbance attenuation level as a specification. Satisfaction of these LMIs indicate that the designed controller ensures that the system maintains the same disturbance attenuation level even under data-loss and/or jitter when controlled over a network. The methodology has been demonstrated with credible simulation and compared with results put forward by contemporary researchers.
ISSN:1751-570X
1878-7460
DOI:10.1016/j.nahs.2015.08.002