摘要
从H∞控制理论的观点出发,将带宽扰动作为网络负载来考虑,基于LMI方法设计了大时滞反馈网络控制系统的H∞拥塞控制器,所得到的数据分组丢包率不仅与队列的变化率有关,还与窗口的变化率有关,并进一步说明该控制器为基于平均队列长度估计的预测控制器。仿真结果表明,所设计的控制器在高速网络中具有良好的稳定性和鲁棒性。
This paper designs the controller of large-delay networks based on LMI approach from the viewpoint of control theory, taking the bandwidth disturbance as network load. The packet loss rate is not only related with the variance ratio of the queue, but also with variance ratio of the window ,and further shows that the controller is estimated predictive controller based on the average queue length. The simulation results show that the controller get good stability and robust performance in high-speed networks.
出处
《电子技术应用》
北大核心
2010年第8期111-113,118,共4页
Application of Electronic Technique
基金
广西科学研究与技术开发计划项目(桂科攻0992006-1)
广西科技基础条件平台建设计划项目(09-090-03)
广西研究生教育创新计划赞助项目(2009105960812M04)
关键词
拥塞控制
LMI方法
大时滞网络
稳定性
congestion control
LMI approach
large-delay networks
stability
