Decentralised robust flow controller design for networks with multiple bottlenecks
International Journal of Control
Taylor & Francis
95 - 116
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Munyas, I., Yelbaşi, Ö., Biberović, E., İftar, A., & Özbay, H. (2009). Decentralised robust flow controller design for networks with multiple bottlenecks. International Journal of Control, 82(1), 95-116.
Please cite this item using this persistent URLhttp://hdl.handle.net/11693/12796
Decentralised rate-based flow controller design in multi-bottleneck data-communication networks is considered. An H problem is formulated to find decentralised controllers which can be implemented locally at the bottleneck nodes. A suboptimal solution to this problem is found and the implementation of the decentralised controllers is presented. The controllers are robust to time-varying uncertain multiple time-delays in different channels. They also satisfy tracking and weighted fairness requirements. Lower bounds on the actual stability margins are derived and their relation to the design parameters is analysed. A number of simulations are also included to illustrate the time-domain performance of the proposed controllers.
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