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Robust H∞ controller design for a class of linear quantum systems with time delay
Authors:Shi Wang  Qing Gao  Daoyi Dong
Affiliation:School of Engineering and Information Technology, University of New South Wales, Canberra, Australia
Abstract:Time delay is frequently encountered in practical quantum feedback control systems with long transmission lines and measurement process. This paper is concerned with measurement‐based feedback H control for quantum systems with time delays appearing in the feedback loops. A physical model is presented for the quantum time‐delay system described by complex quantum stochastic differential equations. Quantum versions of some fundamental properties, such as dissipativity and stability, are discussed for this model. A numerical procedure is proposed for H controller synthesis, which can deal with a non‐convex optimization problem arising in the design processes. Copyright © 2016 John Wiley & Sons, Ltd.
Keywords:quantum feedback control  quantum systems  time delay  dissipativity  bounded real lemma  H∞   control
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