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arXiv · 2507.05867

Assessing Linear Control Strategies for Zero-Speed Fin Roll Damping

Nikita Savin·Elena Ambrosovskaya·Dmitry Romaev·Anton Proskurnikov
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Abstract

Roll stabilization is a critical aspect of ship motion control, particularly for vessels operating in low-speed or zero-speed conditions, where traditional hydrodynamic fins lose their effectiveness. In this paper, we consider a roll damping system, developed by Navis JSC, based on two actively controlled zero-speed fins. Unlike conventional fin stabilizers, zero-speed fins employ a drag-based mechanism and active oscillations to generate stabilizing forces even when the vessel is stationary. We propose a simple linear control architecture that, however, accounts for nonlinear drag forces and actuator limitations. Simulation results on a high-fidelity vessel model used for HIL testing demonstrate the effectiveness of the proposed approach.

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Nikita Savin, Elena Ambrosovskaya, Dmitry Romaev, Anton Proskurnikov. 2025-07-08. Assessing Linear Control Strategies for Zero-Speed Fin Roll Damping. https://doi.org/10.1016/j.ifacol.2025.11.729

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