Performance and robustness analysis of a fuzzy-immune flow controller in ATM networks with time-varying multiple time-delays |
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Authors: | Tao REN Zhenhua GAO Weiming KONG Yuanwei JING Muyi YANG Georgi M DIMIROVSKI |
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Affiliation: | 1. Key Laboratory of Process Industry Automation of MOE and Liaoning Province,Northeastern University,Shenyang Liaoning 110004.China;School of Information Science and Engineering,Northeastern University,Shenyang Liaoning 110004.China 2. School of Information Science and Engineering,Northeastern University,Shenyang Liaoning 110004.China 3. Faculty of Engineering,Department of Computer Engineering,Dogus University,lstanbul TR-347222,Republic of Turkey |
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Abstract: | For the Asynchronous Transfer Mode(ATM)networks with time-varying multiple time-delays.a more realistic model for the available bit rate(ABR)traffic class with explicit rate feedback is introduced.A fuzzy-immune con.troller is designed,which can adjust the rates of ABR on-line,overcome the bad effect caused by the saturation nonlinearitv and satisfy the weighted fairness.Also,the sufficient condition that guarantees the stability of the closed-loop system with a fuzzy'immune controller is presented in theory for the first time.The algorithm exhibits good performance,and most importantly,has a solid theoretical foundation and can be implemented in practice easily.Simulation results show that the control system is rapid,adaptive,robust,and meanwhile,the quality of service(QoS)is guaranteed. |
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Keywords: | ATM networks ABR traffic Time-delay Fuzzy immune controller Robust stabilization |
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