Aeroservoelastic Pitch Control of Stall-Induced Flap/Lag Flutter of Wind Turbine Blade Section

Figure 13

Flap and lag displacements of SN PID control (a)–(c) and FPI PID control (d) for  m s⁻¹ and  rpm.

(a) The first simulation of SN PID

(b) The second simulation of SN PID

(c) The third simulation of SN PID

(d) Simulation of FPI PID