摘要
基于直接反馈线性化和H2/H∞控制理论,研究交直流联合输电系统中高压直流输电(HVDC)系统的附加控制器设计,对含有交直流联络线路的两区域系统建立了鲁棒控制模型,采用线性矩阵不等式(LMI)方法,利用MATLAB软件的LMI工具箱得出H2/H∞控制律。仿真表明这种控制方法兼有鲁棒性能和最优性能,提高了交流输电系统的稳定性。
According to direct feedback linearization and H2/H∞ control theory, in this paper a supplementary controller for high voltage direct current transmission （HVDC） system is analyzed. A robust control model for a two-area system with parallel DC and AC ties is established. By use of linear matrix inequality （LMI） approach, MATLAB/LMI toolbox is utilized and the H2/H∞ control rule is obtained. Simulation results show that the control method has both robust and optimum performance, so it can improve the stability of AC power transmission system.
出处
《广东电力》
2005年第12期30-33,共4页
Guangdong Electric Power
关键词
高压直流输电
H2/H∞控制
线性矩阵不等式方法
high voltage direct current transmission （HVDC）
H2／H∞ control
linear matrix inequality （LMI） approach
