TORQUE CONTROL BY SUPPORT VECTOR MACHINES FOR A DFIG BASED MARINE CURRENT TURBINE

Omar Dahhani, Abdessalam El-Jouni and Ismail Boumhidi

Keywords

Marine current turbine; support vector machines; sliding mode control

Abstract

In this paper, a control strategy by support vector machines (SVM) for a marine current turbine is proposed. It aims at operating the tidal conversion system perfectly so that it can extract the available maximum power in water flow, also, the system should be stabilised by this control when the water current is turbulent. The SVM’s role is identifying the behaviours of optimal electromagnetic torque with respect to water current speed changing. Therefore, data should be collected at first. Among of these data: water current speeds and the matching optimal torques. SVM model may be designed through using these data show. Yet, SVM model ought to be used correctly through providing us optimal electromagnetic torque for becoming tidal system controller. To show the extent of reliability compared to other controllers in the literature, the method what is called sliding mode control is proposed. The latter is going to be designed and applied for comparing it with SVM. Finally, the two methods (SVM, SMC) are testified on real water current profile.

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