Direct Periodic Adaptive Control of the aerodynamic loads of a rotating wind turbine blade using microtabs

2014 ◽  
Author(s):  
Nailu Li ◽  
Mark J. Balas
Keyword(s):  
Adaptive Control ◽  
Wind Turbine ◽  
Turbine Blade ◽  
Wind Turbine Blade ◽  
Aerodynamic Loads

Flutter Suppression of Wind Turbine Blade Using Adaptive Control

2013 ◽  
Author(s):  
Nailu Li ◽  
Mark J. Balas
Keyword(s):  
Adaptive Control ◽  
Wind Turbine ◽  
Turbine Blade ◽  
Adaptive Controller ◽  
Wind Turbine Blade ◽  
Aeroelastic System ◽  
Aerodynamic Loads ◽  
Flutter Suppression ◽  
Control Scheme ◽  
Trailing Edge Flap

The variation of aeroelastic system dynamics is treated as the change of time-varying aerodynamic loads over rotating wind turbine blade. An Adaptive Control scheme is introduced to suppress blade fluttering, caused by unsteady aerodynamic loads, with trailing-edge flap. The robustness and effectiveness of designed Adaptive Controller are shown by good simulation results. For stability analysis, the proposed Adaptive Stability Theorem is proved theoretically by Kalman-Yacubovic Lemma and also illustrated numerically by certain case.

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