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Energy-aware robust model predictive control with feedback from multiple noisy wireless sensors

Bernardini, Daniele and Bemporad, Alberto Energy-aware robust model predictive control with feedback from multiple noisy wireless sensors. In: 47th IEEE Conference on Decision and Control. IEEE, pp. 4308-4313. ISBN 978-1-4244-3123-6 (2008)

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Flexibility, ease of deployment and of spatial reconfiguration, and low cost make wireless sensor networks (WSNs) fundamental component of modern networked control systems. However, due to the energy-constrained nature of WSNs, the transmission rate of the sensor nodes is a critical aspect to take into account in control design. Two are the main contributions of this paper. First, a general transmission strategy for communication between controller and sensors is proposed. Then, a scenario with a controller and a wireless node providing measures is investigated, and two energy-aware control schemes based on explicit model predictive control (MPC) are presented. We consider both nominal and robust control in the presence of disturbances, and convergence properties are given for the latter. The proposed control schemes are tested and compared to traditional MPC techniques. The results show the effectiveness of the proposed energy-aware approach, which achieves a profitable trade-off between energy consumption of wireless sensors and loss in system performance.

Item Type: Book Section
Identification Number: 10.1109/CDC.2008.4738736
Additional Information: Proceeding of the 47th IEEE Conference on Decision and Control, Cancun, Mexico, 2008
Uncontrolled Keywords: Communication system control; Control design; Costs; Energy measurement; Feedback; Networked control systems; Predictive control; Predictive models; Robust control; Wireless sensor networks
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Research Area: Computer Science and Applications
Depositing User: Professor Alberto Bemporad
Date Deposited: 27 Jul 2011 08:29
Last Modified: 17 Nov 2011 11:47
URI: http://eprints.imtlucca.it/id/eprint/436

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