A Simple Flexible and Robust Control Strategy for Wind Energy Conversion Systems Connected to a Utility Grid

Figure 6

Performances of the generator side RBF neurosliding controllers under variation of the rotor speed and 100% online variation of rotor resistance. (a) Wind speed (i), rotor speed (ii), rotor flux magnitude (iii), and DC bus voltage (iv). (b) Rotor speed tracking error (i), rotor flux magnitude tracking error (ii), DC bus voltage regulation error (iii), and rotor resistance (iv).

(a)

(b)