Testing State-Space Controls for the Controls Advanced Research Turbine: Preprint

Research output: Contribution to conferencePaper


Control can improve wind turbine performance by enhancing energy capture and reducing dynamic loads. At the National Renewable Energy Laboratory, we are implementing and testing state-space controls on the Controls Advanced Research Turbine (CART), a turbine specifically configured to test advanced controls. We show the design of control systems to regulate turbine speed in Region 3 using rotorcollective pitch and reduce dynamic loads in Regions 2 and 3 using generator torque. These controls enhance damping in the first drive train torsion mode. We base these designs on sensors typically used in commercial turbines. We evaluate the performance of these controls by showing field test results. We also compare results from these modern controllers to results from a baseline proportionalintegral controller for the CART. Finally, we report conclusions to this work and outline future studies.
Original languageAmerican English
Number of pages18
StatePublished - 2006
Event44th AIAA Aerospace Meeting and Exhibit - Reno, Nevada
Duration: 9 Jan 200612 Jan 2006


Conference44th AIAA Aerospace Meeting and Exhibit
CityReno, Nevada

NREL Publication Number

  • NREL/CP-500-39123


  • carts
  • control systems
  • controls advanced research turbine
  • wind energy
  • wind turbines


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