Robust H-Infinity Control of a Steerable Marine Radar Tracker

This paper describes the application of a robust control technique to a steerable marine radar tracker intended to provide good performance with minimum operator intervention over the course of its lifecycle. The paper shows that the sightline steering problem can be decoupled from the target observation problem and uses a well-known robust control technique (H∞ loop-shaping) to synthesize a controller. Analytic bounds on the stability of the closed loop are stated by considering a model set parameterized on Vinnicombe’s ν-gap metric. Experimental verification exercises are briefly described, and proposals for formal validation work using interpolation techniques are made. Copyright © BAE SYSTEMS 2008. All rights reserved.