Partial Feedback Control of Quantum Systems Using Probabilistic Fuzzy Estimator

被引：5

作者：

Chen, Chunlin ^{[1
]}

Rigatos, Gerasimos G. ^{[2
]}

Dong, Daoyi ^{[3
,4
]}

Lam, James ^{[5
]}

机构：

[1] Nanjing Univ, Sch Management & Engn, Dept Control & Syst Engn, State Key Lab Novel Software Technol, Nanjing 210093, Jiangsu, Peoples R China

[2] Inst Ind Syst, Unit Ind Automat, Patras GR-26504, Greece

[3] Zhejiang Univ, State Key Lab Ind Control Technol, Hangzhou, Zhejiang, Peoples R China

[4] Univ New S Wales, Australian Def Force Acad, Sch Engn & Informat Technol, Canberra, ACT 2600, Australia

[5] Univ Hong Kong, Dept Mech Engn, Hong Kong, Hong Kong, Peoples R China

来源：

PROCEEDINGS OF THE 48TH IEEE CONFERENCE ON DECISION AND CONTROL, 2009 HELD JOINTLY WITH THE 2009 28TH CHINESE CONTROL CONFERENCE (CDC/CCC 2009) | 2009年

关键词：

quantum system; quantum feedback control; partial feedback; probabilistic fuzzy estimator; controlled quantum measurement;

D O I：

10.1109/CDC.2009.5399492

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A partial feedback control scheme with a probabilistic fuzzy estimator (PFE) is presented for the robust control of quantum systems. In this scheme, a probabilistic fuzzy simulator is trained to estimate the quantum states for feedback control of quantum systems. Usually, the estimated state is fed back to design a controller. However, when the estimated quantum state is an almost-eigenstate, a projective measurement will be triggered for the quantum system and the measurement results will be fed back to construct the controller and regulate the fuzzy estimator. This scheme is a partial feedback strategy with controlled discontinuous measurement, where the quantum measurement serves as a control tool and is helpful for driving the quantum system to a desired state tracking even in the presence of unknown disturbances and stochastic noises. An example of a two-spin-1/2 system is also presented to demonstrate the proposed approach.

引用

页码：3805 / 3810

页数：6

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