Speed loop control of permanent magnet direct-drive wind power system based on fuzzy linear self-immunity

doi:10.16731/j.cnki.1671-3133.2025.02.018

Abstract

Abstract: Aiming at the problems of variable wind speed,nonlinearity and strong perturbation in direct-drive permanent magnet synchronous wind power generation system,a hybrid control method based on fuzzy control and Linear Active Disturbance Rejection Control (LADRC) is proposed. Firstly,the Linear Extended State Observer (LESO) in linear self-jamming is improved to enhance the ability of disturbance observation,while the fuzzy control is utilized to dynamically adjust the LADRC control parameters to enhance the anti-jamming ability and robustness of the system. Simulation results show that compared with the traditional PI controller,this method can better estimate the torque fluctuation caused by wind speed,accurately track the upper rated speed,and maximize the wind energy utilization.

Key words: permanent magnet direct-drive wind power generation, linear self-immunity, fuzzy control, maximum power tracking

CLC Number:

TM315

LIU Yuxing, ZHANG Hong, WANG Mengkun. Speed loop control of permanent magnet direct-drive wind power system based on fuzzy linear self-immunity[J]. Modern Manufacturing Engineering, 2025, 533(2): 144-150.

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