Abstract
The auto-disturbance-rejection-controller (ADRC) is a new control theory that doesn’t need the exact object model. The variation of load resistance is observed and estimated by an extended state observer, which is the core of the ADRC. It is known to all that t-he output power of wind turbine is direct ration to the third power of wind speed; hence the flywheel is introduced to keep the stable current output. The system is composed by the permanent magnetism synchronized generator wind turbine and the permanent magnetism synchronized generator flywheel. The control system is nonlinear, the nonlinear parts of the system can be considered as the disturbance which is estimated by an additional state. The Matlab simulink software and lab system have been carried out and the results confirm the robustness of the ADRC.
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