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Publication Date:
October 2008
ISSN:
2083-8492
DOI:
10.2478/v10006-008-0028-5

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Mobile Sensor Routing for Parameter Estimation of Distributed Systems Using the Parallel Tunneling Method

Tomasz Zięba1 / Dariusz Uciński1

Institute of Control and Computation Engineering, University of Zielona Góra, ul. Podgórna 50, 65-246 Zielona Góra, Poland1

Citation Information: International Journal of Applied Mathematics and Computer Science. Volume 18, Issue 3, Pages 307–318, ISSN (Print) 1641-876X, DOI: 10.2478/v10006-008-0028-5, October 2008

Publication History:
Published Online:
2008-10-06

Mobile Sensor Routing for Parameter Estimation of Distributed Systems Using the Parallel Tunneling Method

The paper deals with the problem of optimal path planning for a sensor network with mutliple mobile nodes, whose measurements are supposed to be primarily used to estimate unknown parameters of a system modelled by a partial differential equation. The adopted framework permits to consider two- or three-dimensional spatial domains and correlated observations. Since the aim is to maximize the accuracy of the estimates, a general functional defined on the relevant Fisher information matrix is used as the design criterion. Central to the approach is the parameterization of the sensor trajectories based on cubic B-splines. The resulting finite-dimensional global optimization problem is then solved using a parallel version of the tunneling algorithm. A numerical example is included to clearly demonstrate the idea presented in the paper.

Keywords: sensor network; distributed parameter systems; optimum experimental design; tunneling algorithm; parallel computing

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