基于H∞反馈控制的网络拥塞流速控制器设计
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国家自然科学基金项目(30971689)


A Flow Rate Controller Design for Network Congestion Based on H∞ Feedback Control
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National Natural Science Foundation of China (30971689)

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    摘要:

    摘要:为了解决网络在现代高速通信网络拥塞控制问题,本文采用频域设计方法,将不确定时滞系统转化为带有未建模动态边界的多不确定系统;根据鲁棒镇定及系统性能指标要求,将流量控制的网络拥塞控制设计问题转化为共同的工程混合敏感的应用问题,然后分析设计出了理想的H∞控制器。该文证明,采用频域设计方法的拥塞控制的H∞反馈控制器,可以实现防止拥挤和提高网络应用效率的目标。实例已表明,该方法简单易用。

    Abstract:

    Abstract: For solving a problem on network congestion control in modern high-speed communication networks, this paper adopted frequency domain design method, to transform uncertain time-delay system into multiplicative uncertainty system with unmodeled dynamic boundary; According to the requirement of the robust stabilization and performance index of system, the feedback controller design problem on robust H∞ congestion control of the high-speed communication networks which based on flow rate control was converted into the common engineering application problem on mixed-sensitivity, then worked out the desirable H∞ controller by the analytic method. The paper proved that the H∞ feedback controller of congestion control can get the goals of preventing congestion and maximizing the efficiency of network application by adopting frequency domain design method. The method is demonstrated be simple in use and applicable by an example.

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屈百达,徐伟,徐保国. 基于H∞反馈控制的网络拥塞流速控制器设计[J]. 科学技术与工程, 2010, (32): .
Qu Baida, Xu Wei, Xu Baoguo. A Flow Rate Controller Design for Network Congestion Based on H∞ Feedback Control[J]. Science Technology and Engineering,2010,(32).

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  • 收稿日期:2010-09-05
  • 最后修改日期:2010-09-05
  • 录用日期:2010-09-13
  • 在线发布日期: 2010-10-18
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