Abstract
At present most ships are stabilised for roll using active fins controlled by a PID controller developed using classical control theory and these appear perfectly adequate for most warships. However, what is not known is how the choice of controller for a fin stabilisation system affects the operational performance of the ship. This paper illustrates the potential improvements in the ability of a warship to perform an Anti Submarine Warfare mission in the North Atlantic when using different control strategies for fin roll stabilisation. Also included is an assessment of the potential benefits to operational performance of an Integrated Fin Rudder Roll Stabilisation system.
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