Quantum feedback control of linear stochastic systems with feedback-loop time delays

In a quantum feedback control loop, one is often confronted with time delays that mainly originated from the transition delay of signals, which may cause the quantum feedback control system unstable. The purpose of this paper is to deal with a problem of quantum measurement-based feedback control su...

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Published inAutomatica (Oxford) Vol. 52; pp. 277 - 282
Main Authors Wang, Shi, James, Matthew R.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.02.2015
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Online AccessGet full text
ISSN0005-1098
1873-2836
DOI10.1016/j.automatica.2014.11.014

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Abstract In a quantum feedback control loop, one is often confronted with time delays that mainly originated from the transition delay of signals, which may cause the quantum feedback control system unstable. The purpose of this paper is to deal with a problem of quantum measurement-based feedback control subject to feedback-loop time delays. A quantum version of delay-independent stability criterion as well as an upper bound on a cost function is derived based on quantum Itō rules. We propose one numerical procedure for quantum feedback controller designs, which is then illustrated by an example.
AbstractList In a quantum feedback control loop, one is often confronted with time delays that mainly originated from the transition delay of signals, which may cause the quantum feedback control system unstable. The purpose of this paper is to deal with a problem of quantum measurement-based feedback control subject to feedback-loop time delays. A quantum version of delay-independent stability criterion as well as an upper bound on a cost function is derived based on quantum Itō rules. We propose one numerical procedure for quantum feedback controller designs, which is then illustrated by an example.
Author Wang, Shi
James, Matthew R.
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  givenname: Matthew R.
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Keywords Quantum system
Linear stochastic system
Cost function
Time delay
Quantum feedback control
Language English
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Snippet In a quantum feedback control loop, one is often confronted with time delays that mainly originated from the transition delay of signals, which may cause the...
SourceID crossref
elsevier
SourceType Enrichment Source
Index Database
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StartPage 277
SubjectTerms Cost function
Linear stochastic system
Quantum feedback control
Quantum system
Time delay
Title Quantum feedback control of linear stochastic systems with feedback-loop time delays
URI https://dx.doi.org/10.1016/j.automatica.2014.11.014
Volume 52
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