Switched sampled-data-based membership function-dependent H∞ control for PMSG-based WTS with actuator failures

• Published in: Mathematics and computers in simulation Vol. 226; pp. 560 - 577
• Main Authors: Yesudhas, Anto Anbarasu, Kuppusamy, Subramanian, Lee, Syeong Ryong, Jeong, Jae Hoon, Joo, Young Hoon
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.12.2024
• Subjects: Actuator failure; Coupling memory sampled-data control; Membership function dependent H∞ control; Permanent magnet synchronous generator; T-S fuzzy system; Actuator failure; Permanent magnet synchronous generator; Membership function dependent H∞ control; T-S fuzzy system; Coupling memory sampled-data control
• ISSN: 0378-4754
• DOI: 10.1016/j.matcom.2024.07.023

This paper deals with the problem of sampled-data-based H∞ control design for nonlinear permanent magnet synchronous generator (PMSG)-based wind turbine system (WTS) subject to actuator failures. First, the Takagi-Sugeno (T-S) fuzzy system is employed to handle the nonlinearities of presented model. Next, by employing a Bernoulli stochastic variable, the general scenario of switched coupling memory sampled-data control (CMSDC) is designed which contains the sampled-data control (SDC) and memory SDC scheme as special cases. By combining the membership function-dependent (MFD) asymmetric looped-type Lyapunov-Krasovskii functional (LKF) and employing the available information of membership functions in H∞ performance, the delay-dependent stabilization conditions of considered PMSG-based WTS are derived through the switched CMSDC technique. Meanwhile, the disturbances of considered systems are attenuated by taking the advantage of the newly proposed MFD H∞ performance. Eventually, the simulation results are given to demonstrate the efficacy and applicability of the proposed CMSDC technique.