L.A. Al-Chalabi, S.R. Alwash, and A.H. Ataallah (Jordan)
Double Fed Induction Generator (DFIG), Robust Control,Internal Model Control, Multi-Input Multi-Output.
A design method for a robust doubly-fed induction generator (DFIG) based on the principle of multi-input multi-output (MIMO) is presented. A robust compensator is introduced into the control system which yields a new robust observer for the MIMO process. Through the compensation for model uncertainty, the complex robustness problem of multi-input multi-output can be solved as simple single-input single-output design techniques. A full DFIG model based on the stator and rotor voltage orientation is used to introduce the internal model control (IMC) into the stator and rotor current controllers design, and compared with mixed sensitivity control method. The validity of the IMC-based regulators for controlling the stator and rotor current and improving the stability of the DFIG system is also proved by the simulation results.
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