Aeroelastic Flutter and Sliding Mode Control of Wind Turbine Blade

Figure 2

Uncontrolled vibration and limit cycles of the blade. (a) Uncontrolled flap vibration; (b) uncontrolled leg vibration; (c) limit cycle of uncontrolled flap vibration; (d) limit cycle of uncontrolled leg vibration.

(a)

(b)

(c)

(d)