Optimal State Estimation in Networked Systems with Asynchronous Communication Channels and Switched Sensors

A. S. Matveev and A. V. Savkin
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A. S. Matveev: Saint Petersburg University
A. V. Savkin: University of New South Wales

Journal of Optimization Theory and Applications, 2006, vol. 128, issue 1, No 7, 139-165

Abstract: Abstract We study a linear discrete-time partially observed system perturbed by a white noise. The observations are transmitted to the estimator via communication channels with irregular transmission times. Various measurement signals may incur independent delays, arrive at the estimator out of order, and be lost or corrupted. The estimator is given a dynamic control over the sensors by taking part in producing the signals to be sent via the channels. The minimum variance state estimate and the optimal sensor control strategy are obtained. Ideas of model predictive control are applied to derive a nonoptimal but implementable in real time method for sensor control

Keywords: State estimation; communication networks; switched sensors (search for similar items in EconPapers)
Date: 2006
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DOI: 10.1007/s10957-005-7562-1

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