Title: Optimal dynamic actuator location in distributed feedback control of a diffusion process

Authors: Yangquan Chen, Zhongmin Wang, Jinsong Liang

Addresses: Department of Electrical and Computer Engineering, Center for Self-Organizing and Intelligent Systems (CSOIS), Utah State University, 4160 Old Main Hill, Logan, UT 84322-4160, USA. ' Department of Electrical and Computer Engineering, Center for Self-Organizing and Intelligent Systems (CSOIS), Utah State University, 4160 Old Main Hill, Logan, UT 84322-4160, USA. ' Department of Electrical and Computer Engineering, Center for Self-Organizing and Intelligent Systems (CSOIS), Utah State University, 4160 Old Main Hill, Logan, UT 84322-4160, USA

Abstract: In this paper, the problem of distributed neutralisation of toxic 2D diffusion process is discussed. The diffusion process is modelled by a parabolic partial differential equation system. A group of mobile robots which can release neutralising chemicals are sent to detoxify the pollution. We attempt to solve the optimal actuator location problem by using Centroidal Voronoi Tessellations (CVT). A new simulation platform (Diff-MAS2D) for measurement scheduling and controls in distributed parameter systems is also introduced in this paper. Simulation results show the effectiveness of our proposed method.

Keywords: actuator networks; mesh sensors; diffusion process; pollution neutralisation; centroidal Voronoi tessellation; CVT; distributed parameter systems; simulation; actuator location; distributed feedback control; sensor networks; mobile robots; toxic chemicals; measurement scheduling.

DOI: 10.1504/IJSNET.2007.013197

International Journal of Sensor Networks, 2007 Vol.2 No.3/4, pp.169 - 178

Available online: 11 Apr 2007 *

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