TITLE:
Optimal Control of Wind Turbines under Islanded Operation
AUTHORS:
Magdi S. Mahmoud, Mojeed O. Oyedeji
KEYWORDS:
Wind Turbine, Linear Quadratic Regulator, Linear Quadratic Regulator with Integral Action, Model Predictive Control, Output Torque, Power Regulation
JOURNAL NAME:
Intelligent Control and Automation,
Vol.8 No.1,
December
9,
2016
ABSTRACT: In this paper, an optimal control scheme for wind turbine output torque and power regulation under the influence of wind disturbances is presented. The system considered is a dynamic mechanical-based model with pitch and generator torque actuators for controlling the pitch and generator torque. The performance of linear matrix inequality (LMI) formalism of linear quadratic regulator (LQR); linear quadratic regulator with integral action (LQRI) and model predictive control (MPC) were compared in response to a step change in wind disturbance. It is shown by Matlab simulation that the LQRI outperformed both LQR and MPC controllers.