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Developing mathematical theories of the physical world: Open Access research on fluid dynamics from Strathclyde

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The control of specific actuators for fast ferry vertical motion damping

Giron-Sierra, J.M. and Katebi, M.R. and de la Cruz, J.M. and Esteban, S. (2002) The control of specific actuators for fast ferry vertical motion damping. In: IEEE International Conference on Control Applications, 2002-09-18 - 2002-09-20.

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Abstract

The vertical motions of fast ships, which have a negative effect on comfort and safety, can be attenuated using moving actuators. There is the need of a control strategy to move the actuators in the most convenient way, considering several objectives. The paper considers this problem, studying a practical real example. Experiments with a scaled down replica of a fast ferry has been done, first for modeling purposes and second for control studies. Linear control shows serious application problems. Taking this into consideration, a nonlinear control approach is devised, with satisfactory results.