Design for H∞ Excitation Controller Based on Fuzzy T-S Model

被引:0
|
作者
Wang, Baohua [1 ]
Zhang, Yongfei [1 ]
机构
[1] Nanjing Univ SCI & TECH, Sch Power Engn, Nanjing, Jiangsu, Peoples R China
来源
2010 ASIA-PACIFIC POWER AND ENERGY ENGINEERING CONFERENCE (APPEEC) | 2010年
关键词
single machine-infinity bus system; excitation controller; fuzzy T-S model; H-infinity state feedback; LMI;
D O I
暂无
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Fuzzy H-infinity excitation controller is presented for a single machine infinite-bus system. Firstly, the model of a single machine infinite-bus system with an excitation controller is changed to a linear system form based on the traditional method. A series of partial dynamic model are educed from the linear system. Then the degree of membership function is presented, based on which, the overall dynamic system (fuzzy T-S model system) is established. A H-infinity excitation controller is designed for every dynamic subsystem by LMI (Linear Matrix Inequality) method. PDC (Parallel Distributed Compensation) is used to design the controller for the overall system. The sufficient condition which guarantees the stability of the overall system is proposed. It can be seen from the MATLAB simulations that the PDC can both improve the static stability and transient stability of power system, and possess good robustness.
引用
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页数:4
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