Physical limits and information bounds of micro control. I. Quantum filters and non-demolition measurements

The possible accuracy limit of micro control of dynamic systems in which the dominating disturbances are thermal and quantum noises is considered. The optimal control with a Kalman-Bucy filter (KBF) and physical limits of micro control of a macro object are studied. For the individual control of a m...

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Bibliographic Details
Main Authors: Ulyanov, S.V., Arai, F., Yamafuji, K., Fukuda, T., Rizzotto, G.G., Kurawaki, I.
Format: Conference Proceeding
Language:English
Subjects:
Atom optics
Control systems
Distortion measurement
Equations
Filters
Motion measurement
Optical control
Optical microscopy
Optimal control
Robots
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Summary:The possible accuracy limit of micro control of dynamic systems in which the dominating disturbances are thermal and quantum noises is considered. The optimal control with a Kalman-Bucy filter (KBF) and physical limits of micro control of a macro object are studied. For the individual control of a micro object a quantum prototype of KBF with non-demolition observation on the basis of quantum filtering equation is introduced.
DOI:10.1109/MHS.1997.768873