1. 南京理工大学自动化学院,江苏,南京,210094
2. 常熟市科学技术局,江苏常熟,215500
3. 南京理工大学自动化学院江苏南京,210094
4. 常熟市科学技术局江苏常熟,215500
纸质出版:2010
移动端阅览
葛龙, 孙金生, 王执铨. 基于动态输出反馈控制的主动队列管理算法[J]. 电子学报, 2010,38(12):2816-2821.
GE Long, SUN Jin-sheng, WANG Zhi-quan. Active Queue Management Algorithm Based on Dynamic Output Feedback Control[J]. Acta Electronica Sinica, 2010, 38(12): 2816-2821.
针对网络拥塞控制的不确定时滞特性
提出了一种基于动态输出反馈控制(DOFC)的主动队列管理(AQM)算法.建立了TCP/AQM系统的时滞有界模型
给出了判定闭环AQM系统稳定的充分性条件
以及基于线性矩阵不等式的动态输出反馈控制器参数设计方法.仿真结果表明
该算法在大时滞的网络环境中
能迅速地将队列长度收敛到目标长度附近
且在特征参数变化的网络环境中具有较强的鲁棒性.
Considering the uncertain time-delay characteristic of network congestion control
a novel Active Queue Management (AQM) algorithm based on Dynamic Output Feedback Control (DOFC) is proposed.The model of TCP/AQM is converted into a linear system with bounded time-delay
sufficient condition to judge the stability of the closed-loop system is deduced
and approach to design the parameter of DOFC based on linear matrix inequality is recommended.Simulation results show that the proposed algorithm is able to stabilize the queue length to the target value quickly in condition that network configuration parameters are large delay
and is more robust in dynamic network environment with uncertain characteristic parameters.
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