Using Lyapunov function to design optimal controller for AQM routers

被引：15
|
作者：
Zhang Peng [1 ]
Ye Cheng-qing [1 ]
Ma Xue-ying [1 ]
Chen Yan-hua [1 ]
Li Xin [1 ]
机构：
[1] Zhejiang Univ, Sch Comp Sci & Technol, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A | 2007年 / 8卷 / 01期
关键词：
TCP flows; active queue management (AQM); Lyapunov function; optimal controls;
D O I：
10.1631/jzus.2007.A0113
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
It was shown that active queue management schemes implemented in the routers of communication networks supporting transmission control protocol (TCP) flows can be modelled as a feedback control system. In this paper based on Lyapunov function we developed an optimal controller to improve active queue management (AQM) router's stability and response time, which are often in conflict with each other in system performance. Ns-2 simulations showed that optimal controller outperforms PI controller significantly.
引用
收藏
页码：113 / 118
页数：6
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