Decentralized and dynamic bandwidth allocation in networked control systems

Authors:
Ahmad T. Al-Hammouri;Michael S. Branicky;Vincenzo Liberatore;Stephen M. Phillips
Affiliations:
Case Western Reserve University, Dept. of Electrical Engineering and Computer Science, Cleveland, Ohio;Case Western Reserve University, Dept. of Electrical Engineering and Computer Science, Cleveland, Ohio;Case Western Reserve University, Dept. of Electrical Engineering and Computer Science, Cleveland, Ohio;Arizona State University, Dept. of Electrical Engineering, Tempe, Arizona
Venue:
IPDPS'06 Proceedings of the 20th international conference on Parallel and distributed processing
Year:
2006

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Abstract

In this paper, we propose a bandwidth allocation scheme for networked control systems that have their control loops closed over a geographically distributed network. We first formulate the bandwidth allocation as a convex optimization problem. We then present an allocation scheme that solves this optimization problem in a fully distributed manner. In addition to being fully distributed, the proposed scheme is asynchronous, scalable, dynamic and flexible. We further discuss mechanisms to enhance the performance of the allocation scheme. We present analytical and simulation results.