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The paper describes a new methodology for the design of ship course keeping controllers.
The problem of optimal digital ship course stabilization under stationary stochastic disturbances is considered.
Due to the existence of uncertainties and the unknown time variant environmental disturbances for ship course nonlinear control system, the ship course adaptive neural network robust course-keeping controller is designed by combining the backstepping technique.
A two-degrees-of-freedom (2-DOF) controller is designed for a ship course control systems using direct design methods based on the frequency-domain theory of linear sampled-data systems.
Theoretically, it indicates that the proposed controller can track the setting course in arbitrary expected accuracy, while keeping all control signals in the ship course control closed-loop system are uniformly ultimately bounded.
Such systems could be expanded to include also procedures for stress monitoring and for decision support, where the most critical wave-induced ship extreme responses and fatigue damage accumulation can be estimated for hypothetical changes in ship course and speed in the automatically estimated wave environment.
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He watched a few seconds of Depardieu standing manfully on the deck of a tall ship, coursing across the Atlantic.
The neural networks (NNs) are employed for the compensating of the nonlinear term of the nonlinear ship course-keeping control system.
A Sea of Ships Of course, far more ships used to come in, filling the piers all the way from the Brooklyn Bridge to the far end of Sunset Park.
The ship of course, not my name".
Smith slightly altered the ship's course to the south.
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