Sine-Cosine Algorithm Based PID Controller for a Catamaran

Abstract

In this study, control of an active T-foil placed near to the bow and two active flaps located on the transom of a catamaran is performed to improve the maritime performance of the catamaran and to increase the comfort and safety of both passengers and crew. In the scope of the study, heave and pitch motions of the catamaran under the effect of subjected to head waves are considered. Sine-cosine algorithm based PID controller is employed for the control of active flap and T-foil actuators. The purpose of the optimally tuned PID controller is to reduce the vertical acceleration by controlling the position of the catamaran, especially controlling the angles of the flaps and the T-foil. Mathematical models of the catamaran and actuators are presented and MATLAB / Simulink platform is utilized simulate the control process. Simulation results show that optimally tuned PID controller provides satisfactory results in active flap and T-foil control which effectively reduce vertical acceleration.

Keywords

• Catamaran,Sine-cosine algorithm,PID controller,Optimization,Heave-Pitch motion,Flap,T-foil

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