Design of decentralized robust load-frequency controller based on SVD method

被引：6
|
作者：
Ray, G [1 ]
Prasad, AN
Bhattacharyya, TK
机构：
[1] Indian Inst Technol, Dept Elect Engn, Kharagpur 721302, W Bengal, India
[2] Tata Consultancy Serv, Chennai 600086, India
来源：
COMPUTERS & ELECTRICAL ENGINEERING | 1999年 / 25卷 / 06期
关键词：
decentralized control; uncertain systems; Riccati equation; Lyapunov stability; singular value decomposition (SVD);
D O I：
10.1016/S0045-7906(99)00020-8
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A decentralized robust control scheme is presented for the load-frequency control of interconnected power systems with uncertain parameters. A singular value decomposition (SVD) technique and Lyapunov stability theory are adopted to implement a decentralized robust controller. The stability analysis of the closed-loop interconnected systems for all admissible uncertainties is discussed. The performance robustness of the proposed decentralized robust control scheme has been verified through simulation studies on a two-area power system model. The effectiveness of the decentralized control algorithm is compared to that of a centralized robust one. It has been found that both control schemes have almost the same performance with integral control action in the presence of parametric uncertainty in the plant. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：477 / 492
页数：16
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