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In many operations, it is required that the ROV keeps its position close to some underwater structure (station keeping) precisely. An adaptive controller for dynamic positioning of a remotely vehicle (ROV) with unknown parameters and disturbances is addressed in this paper. The additional forces caused by the umbilical cables and ocean currents can be estimated and compensated. An RBF neural network...
It is always primary object to improve gauge control accuracy in hot strip mills. Limitation based on conventional PID emerges when the controlled object is strong nonlinear, uncertain and multi-constrained features. BP-PID control strategy is introduced in MN-AGC for realizing finished combination of controller parameters. The practical application results have shown the effectiveness of this algorithm...
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