Optimal LQ-controller Design and Data Drop Distribution under (m,k)-firm constraint

Ning Jia 1 Ye-Qiong Song 1 Françoise Simonot-Lion 1
1 TRIO - Real time and interoperability
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : The share of the network link in a networked control system (NCS) may result in the network overload where the periodicity of control system could be infected, causing an unpredictable performance degradation in control system. In this paper, we consider an overload management technique which selectively drops the data packets of the NCS to avoid the network overload. The problems investigated are: how to design the controller under packet drops and how to distribute the packet drops in a packet delivery sequence so that the quality of control (QoC) is optimized. The paper first gives the optimal LQ-controller by using the conventional technique to reduce the deterioration in QoC due to packet drops. Then, the paper proposes a methodology for deriving the distribution of the packet drops in the packet delivery sequence so that the QoC is optimal. To reduce the computation complexity of the proposed methodology, a computationally cheaper algorithm is also given. This proposal contributes to the co-design of the controller and the resource performance management process at the implementation level.
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Communication dans un congrès
workshop on advanced control and diagnosis 2006, Nov 2006, nancy, france, 2006
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Soumis le : mardi 14 novembre 2006 - 16:12:57
Dernière modification le : jeudi 11 janvier 2018 - 06:20:05
Document(s) archivé(s) le : mardi 6 avril 2010 - 22:37:42

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  • HAL Id : inria-00113830, version 1

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Ning Jia, Ye-Qiong Song, Françoise Simonot-Lion. Optimal LQ-controller Design and Data Drop Distribution under (m,k)-firm constraint. workshop on advanced control and diagnosis 2006, Nov 2006, nancy, france, 2006. 〈inria-00113830〉

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