Fuzzy sliding mode control design for the stabilization of wind power generation system with permanent magnet synchronous generator

Abstract

In order to control the influence of wind power generation incorporated into the power grid and keep the original power grid stable, this paper investigates the Takagi–Sugeno fuzzy model and the nonlinear switched system for permanent magnet synchronous generator in wind power generation system. By introducing fuzzy sliding mode control method, the stability of power system can be guaranteed. To do this, the integral sliding mode surface and fuzzy sliding mode control law are designed to reduce the influence of nonlinear disturbance on power system. In addition, the appropriate Lyapunov function is selected for derivation and proof. At the same time, the gain matrix is solved by linear matrix inequalities, which makes the model globally asymptotically stable. Finally, the stability of the system model is verified by simulation results.

Keywords

• Wind power generation system
• Permanent magnet synchronous generator
• Fuzzy sliding mode control