摘要
针对直驱永磁同步风力发电系统运行过程中存在的参数不确定性等问题,本文在反馈线性化模型的基础上,基于鲁棒H_∞控制理论,设计了永磁同步风力发电系统最大风能跟踪转速控制器,并分析了控制系统的鲁棒稳定性和鲁棒性能,在Matlab/Simulink环境下对系统进行了仿真,并与传统PI控制进行了比较。结果表明,当参数摄动和外界扰动较大时,基于H∞控制的永磁同步风力发电系统具有良好的性能。
For the presence of the parameter uncertainty problem during operation of the direct-driven permanent magnet synchronous wind power generation system,this paper,on the basis of feedback linearization model,based on the robust control theory,proposes an efficient permanent magnet synchronous wind power generation system H-infinity speed controller,analyzes the robust stability and robust performance of the control system,and carry out the comparison with the traditional PI control strategy.Finally,the system simulation is conducted under the Matlab/Simulink environment,the results demonstrate that when the parameter perturbation and external disturbance is large,the permanent magnet synchronous generator control system based on the proposed control strategy has good performance.
作者
刘军
漆明月
Jun Liu;Mingyue Qi(College of Automation, Xi’an University of Technology, Xi'an, Shaanxi,710048,China)
出处
《电子科学技术》
2017年第3期10-16,共7页
Electronic Science & Technology
关键词
永磁同步风力发电系统
鲁棒H∞控制
参数不确定性
Permanent Magnet Synchronous Wind Turbine System
Robust H∞ Control
Parameter Uncertainties
