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Title:
a robust aqm controller design for various delay networks
Author: Wang Xiuli ; Wang Yongji
Source: Proceedings of the 29th Chinese Control Conference, CCC10
Conference Name: 29th Chinese Control Conference, CCC10
Conference Date: 37466
Issued Date: 2010
Conference Place: Beijing, China
Keyword: Algorithms ; Computer simulation ; Controllers ; Delay control systems ; Queueing theory ; Robust control ; Time delay
Publish Place: United States
Indexed Type: EI
ISBN: 9787890000000
Department: (1) School of Information, Central University of Finance and Economics, Beijing, 100081, China; (2) Institute of Software, Chinese Academy of Sciences, Beijing, 100190, China
Sponsorship: IEEE Control Systems Society (CSS); The ICROS OF Korea; IEEE CSS Singapore Chapter; IEEE CSS Hong Kong Chapter; IEEE CSS Beijing Chapter
English Abstract: The existing active queue management (AQM) algorithms are not well adapted to the uncertainty of the time-delay networks. When an algorithm designed for the small time-delay network (LAN) is used for a large-delay networks (WAN, Internet), its performance is normally poor. This paper presents a robust AQM design algorithm based on the D stability region to overcome this issue. The TCP/AQM model meeting various time-delay is first established. Secondly, a set of desired D-stable regions in the complex plane is specified and then a numerical optimization algorithm with various time-delay constraints is run to find the controller parameters such that all the roots of the closed-loop system are within the specified regions to reduce the queuing delay and improve the effective throughput. Compared with the PI controller via experimental simulations, the novel AQM algorithm is indeed more efficient and robust in various delay networks.
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/8626
Appears in Collections:互联网软件技术实验室 _会议论文

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Recommended Citation:
Wang Xiuli,Wang Yongji. a robust aqm controller design for various delay networks[C]. 见:29th Chinese Control Conference, CCC10. Beijing, China. 37466.
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