【摘要】 线性二次高斯控制/回路传输恢复技术(LQG/LTR)是一种多变量频域设计方法,它以良好的鲁棒性和解耦特性得到广泛的应用。本文基于UPFC的5阶动态模型以单机无穷大系统为例,采用LQG/LTR控制原理设计了 UPFC的LQG/LTR控制器。仿真结果表明,该控制方法具有比线性最优控制更好的动态品质,并具有干扰抑制能力,特别是对干扰信号能表示成白噪声的系统模型,从而使系统具有较好的鲁棒性和稳定性。更多还原

【Abstract】 LQG/LTR is a design method of multi- variable in time domain, which is widely applied for its good robustness and decoupling character. Taking single machine to infinite system for example, an LQG/LTR controller for UPFC is designed by use of LQG/LTR control principle for a 5-order dynamic model based on UPFC. The simulation results show that this control method not only possesses better dynamic quality than that of optimal linear control, but also the ability of suppressing disturbance, especially for the system model in which the disturbance can be represented by white noise model. Therefore, it endues the system with better robustness and stability.更多还原