Energy-aware wireless networked control using radio-mode management

Nicolas Cardoso de Castro 1 Carlos Canudas de Wit 1 Federica Garin 1
1 NECS - Networked Controlled Systems
Inria Grenoble - Rhône-Alpes, GIPSA-DA - Département Automatique
Abstract : Energy efficiency is one of the main issues in wireless Networked Control Systems. The control community has already shown large interest in the topics of intermittent control and event-based control, allowing to turn off the radio of the nodes, which is the main energy consumer, on longer time intervals than in the periodic case. While the existing literature only addresses policies using two radio-modes (Tx - Transmitting, and Sleep), this paper considers intermediate radio-modes, which consume more energy than the Sleep mode but have cheaper transition costs to the Transmitting mode. We propose an event-based radio-mode switching policy to perform a trade-off between energy saving and performance of the control application. To this end, we derive a switched model taking into account control and communication. We compute the optimal switching policy using Dynamic Programming and we illustrate the results in simulations.
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Communication dans un congrès
American Control Conference (ACC 2012), Jun 2012, Montréal, Canada. pp.2836-2841, 2012
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  • HAL Id : hal-00679683, version 2

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Nicolas Cardoso de Castro, Carlos Canudas de Wit, Federica Garin. Energy-aware wireless networked control using radio-mode management. American Control Conference (ACC 2012), Jun 2012, Montréal, Canada. pp.2836-2841, 2012. 〈hal-00679683v2〉

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