Feedforward Feedback Pitch Control for Wind Turbine Based on Feedback Linearization with Sliding Mode and Fuzzy PID Algorithm

Figure 10

(a) Pitch angles using different controllers under random wind speed; (b) rotor speed using different controllers under random wind speed; and (c) output power using different controllers under random wind speed.

(a) Pitch angles using different controllers under random wind speed

(b) Rotor speed using different controllers under random wind speed

(c) Output power using different controllers under random wind speed