Real-time repositioning of floating wind turbines using model predictive control for position and power regulation

Jard, Timothé et Snaiki, Reda. 2023. « Real-time repositioning of floating wind turbines using model predictive control for position and power regulation ». Wind, vol. 3, nº 2. pp. 131-150.

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Résumé

As offshore wind capacity could grow substantially in the coming years, floating offshore wind turbines (FOWTs) are particularly expected to make a significant contribution to the anticipated global installed capacity. However, FOWTs are prone to several issues due partly to environmental perturbations and their system configuration which affect their performances and jeopardize their structural integrity. Therefore, advanced control mechanisms are required to ensure good performance and operation of FOWTs. In this study, a model predictive control (MPC) is proposed to regulate FOWTs’ power, reposition their platforms to reach predefined target positions and ensure their structural stability. An efficient nonlinear state space model is used as the internal MPC predictive model. The control strategy is based on the direct manipulation of the thrust force using three control inputs, namely the yaw angle, the collective blade pitch angle, and the generator torque without the necessity of additional actuators. The proposed controller accounts for the environmental perturbations and satisfies the system constraints to ensure good performance and operation of the FOWTs. A realistic scenario for a 5-MW reference wind turbine, modeled using OpenFAST and Simulink, has been provided to demonstrate the robustness of the proposed MPC controller. Furthermore, the comparison of the MPC model and a proportional-integral-derivative (PID) model to satisfy the three predefined objectives indicates the superior performances of the MPC controller.

Type de document:	Article publié dans une revue, révisé par les pairs
Professeur:	Professeur Snaiki, Reda
Affiliation:	Génie de la construction
Date de dépôt:	08 août 2023 14:29
Dernière modification:	16 oct. 2023 18:50
URI:	https://espace2.etsmtl.ca/id/eprint/27278

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