H∞-performance analysis of robust controllers designed for AQM

Date

2003

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Abstract

It has been shown that the TCP connections through the congested routers with the Active Queue Management (AQM) can be modeled as a nonlinear feedback system. In this paper, we design H∞ robust controllers for AQM based on the linearized TCP model with time delays. For the linear system model exhibiting LPV nature, we investigate the H∞-performance with respect to the uncertainty bound of RTT (round trip time). The robust controllers and the corresponding analysis of H∞-performance are validated by simulations in different scenarios.

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Proceedings of the American Control Conference, IEEE 2003

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IEEE

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Published Version (Please cite this version)

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English