摘要
针对风力发电机组非线性系统的参数不确定性和强扰动等特点,在对非线性模型进行局部线性化的基础上,引入鲁棒控制理论中的μ综合方法设计风力发电机组的转速控制器。利用参数化动态加权函数实现系统的鲁棒性,保证系统对所有范数有界不确定性的渐进稳定,最大程度地捕获额定风速以下的风能。仿真结果表明,本文所述的μ综合方法在控制效果与抗干扰能力方面均优于传统PID控制,验证了所提方法的可行性和高效性。
According to the characteristics of nonlinear system of wind turbine,such as parameter uncertainty and strong disturbance,based on the local linearization of nonlinear model,theμ-synthesis method of robust control theory is introduced to design the speed controller of wind turbine.The robustness of the system is realized by using the parametric dynamic weighting function,and the asymptotic stability of the system to all the norm-bounded uncertainties is ensured,and the wind energy with the following maximum wind speed is captured to the maximum extent.The simulation results show that the proposedμ-synthesis method is superior to the traditional PID control in control effect and anti-interference ability,which verifies the feasibility and efficiency of the proposed method.
作者
余平
余跃
吴从兵
程军辉
YU Ping;YU Yue;WU Cong-bing;CHENG Jun-hui(College of Electrical and Optoelectronic Engineering,West Anhui University,Lu an 237000,China;School of Electrical Engineering&New Energy,China Three Gorges University,Yichang 443002,China)
出处
《长春师范大学学报》
2020年第6期18-24,共7页
Journal of Changchun Normal University
基金
2019年高校优秀中青年骨干人才重点项目“噪声监测与控制”(gxgnfx2019028)
安徽高校自然科学研究项目“无刷直流电机驱动系统故障诊断及容错控制研究”(KJ2018A0417)。
