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Search: WFRF:(Briat C.) > (2011-2014)

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1.
  • Ariba, Y., et al. (author)
  • Simple conditions for $L_2$ stability and stabilization of networked control systems
  • 2011
  • In: Proceeding of 8th International Federation of Automatic Control (IFAC) World Congress. ; , s. 96-101
  • Conference paper (peer-reviewed)abstract
    • The stability analysis and stabilization of networked control systems subject todata loss and time-varying transmission delays are explored. The stability result is based onquadratic separation and operator theory, which allows to capture the above phenomena intothe single formalism of aperiodic sampling. The obtained stability condition is expressed throughan LMI. The stabilization problem is a bit more involved due to the inherent structure of theobtained LMI. An approximation (dilation) is then proposed to obtain a more tractable LMIfor stabilization. Several examples illustrate the effectiveness of the proposed approach.
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2.
  • Demirel, Burak, et al. (author)
  • Deterministic and stochastic approaches to supervisory control design for networked systems with time-varying communication delays
  • 2013
  • In: Nonlinear Analysis. - : Elsevier BV. - 1751-570X .- 1878-7460. ; 10:1, s. 94-110
  • Journal article (peer-reviewed)abstract
    • This paper proposes a supervisory control structure for networked systems with time-varying delays. The control structure, in which a supervisor triggers the most appropriate controller from a multi-controller unit, aims at improving the closed-loop performance relative to what can be obtained using a single robust controller. Our analysis considers average dwell-time switching and is based on a novel multiple Lyapunov-Krasovskii functional. We develop stability conditions that can be verified by semi-definite programming, and show that the associated state feedback synthesis problem also can be solved using convex optimization tools. Extensions of the analysis and synthesis procedures to the case when the evolution of the delay mode is described by a Markov chain are also developed. Simulations on small and large-scale networked control systems are used to illustrate the effectiveness of our approach.
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  • Result 1-2 of 2
Type of publication
conference paper (1)
journal article (1)
Type of content
peer-reviewed (2)
Author/Editor
Briat, C. (2)
Johansson, Karl Henr ... (1)
Johansson, Mikael (1)
Ariba, Y. (1)
Demirel, Burak (1)
University
Royal Institute of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (1)

Year

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