| Issue |
EPL
Volume 81, Number 3, February 2008
|
|
|---|---|---|
| Article Number | 30003 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/81/30003 | |
| Published online | 21 December 2007 | |
Thermodynamics of adiabatic feedback control
Yerevan Physics Institute - Alikhanian Brothers Street 2, Yerevan 375036, Armenia
Received:
13
August
2007
Accepted:
26
November
2007
We study adaptive control of classical ergodic Hamiltonian systems, where the controlling parameter varies slowly in time and is influenced by the system's state (feedback). An effective adiabatic description is obtained for slow variables of the system. A general limit on the feedback-induced negative-entropy production is uncovered. It relates the quickest negentropy production to fluctuations of the control Hamiltonian. The method deals efficiently with the entropy-information trade-off.
PACS: 05.10.Ln – Monte Carlo methods / 02.30.Yy – Control theory / 45.20.Jj – Lagrangian and Hamiltonian mechanics
© EPLA, 2008
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