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Direct Adaptive Individual Blade Pitch Control for Large Wind Turbines

[+] Author Affiliations
Kaman S. Thapa Magar, Mark J. Balas

University of Wyoming, Laramie, WY

Susan A. Frost

NASA Ames Research Center, Moffett Field, CA

Paper No. IMECE2013-64817, pp. V06BT07A084; 6 pages
doi:10.1115/IMECE2013-64817
From:
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 6B: Energy
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5629-1
  • Copyright © 2013 by ASME

abstract

In this paper a theory of Adaptive Disturbance Rejection Control is used to design an individual blade pitch controller for a utility scale wind turbine. The goal of the Adaptive Disturbance Rejection Control is to regulate the blade pitch angle individually to reduce the asymmetrical loading in blade due to vertical wind shear and also to reject the unnecessary disturbance introduced by the wind turbulence. The applicability of the theory is illustrated by implementing the controller in the National Renewable Energy Laboratory (NREL)s 5 MW wind turbine model and simulating it in MATLAB/Simulink.

Copyright © 2013 by ASME
Topics: Blades , Wind turbines

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