计算机网络的自适应拥塞控制  

Adaptive Congestion Control for Computer Networks

作　　者：韩存武[1] 李梦奇 童薇 刘蕾 HAN Cun-wu＊;LI Meng-qi;TONG Wei;LIU Lei

机构地区：[1]北方工业大学现场总线技术及自动化北京市重点实验室,北京100144

出　　处：《新型工业化》2018年第8期51-54,共4页The Journal of New Industrialization

基　　金：国家自然科学基金(61573024)

摘　　要：在现有的计算机网络的拥塞控制方法中,基本都没有考虑到非线性干扰、时变时滞和参数不确定性对系统所产生的影响,但是这些因素会影响系统的稳定性能,甚至导致系统的不稳定。为解决这类问题,本文提出一种自适应拥塞控制方法。首先,建立了新的数学模型,该模型包含了非线性干扰、时变时滞和参数不确定性等参数。在这个基础之上,应用自适应控制方法设计了状态反馈控制器。仿真结果表明,该控制器能够实现预想的功能,并且具有较好的控制性能。Existing congestion control methods did not consider the effects of nonlinear disturbance, time-varying delay and parameter uncertainty, which will influence the stability, even lead to instability of the system. This paper presents an adaptive congestion control method for computer networks. A new mathematical model of congestion network system is established, which includes nonlinear disturbance, time-varying delay and parameter uncertainty. To compensate for the effects of these factors, a state feedback congestion controller is designed based on adaptive control approach. Simulate results show that the proposed controller has good control performance.

关 键 词：计算机网络 拥塞控制 自适应控制 非线性 时变时滞 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]