Abstract
This work presents an Active Tower Damping (ATD) control architecture that reduces the vibration of the tower of a wind turbine by regulating the pitch angle of the blades. PI regulators are applied to implement the ATD. Two different input configurations are proposed: one based on acceleration and the other on speed. The performance of both configurations is analyzed and compared in the frequency and time domains on a realistic model of a floating turbine simulated with the OpenFAST tool. The findings show how the ATD is capable of dampening the vibration amplitude and reducing the frequency response peaks of the system.
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