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Proceedings Paper

A geometric view of adaptive optics control: boiling atmosphere model
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Paper Abstract

The separation principle of optimal adaptive optics control is derived, and definitions of controllability and observability are introduced. An exact finite dimensional state space representation of the control system dynamics is obtained without the need for truncation in modes such as Zernikes. The uncertainty of sensing uncontrollable modes confuses present adaptive optics controllers. This uncertainty can be modeled by a Kalman filter. Reducing this uncertainty permits increased gain, increasing the Strehl, which is done by an optimal control law derived here. A general model of the atmosphere is considered, including boiling.

Paper Details

Date Published: 25 October 2004
PDF: 9 pages
Proc. SPIE 5490, Advancements in Adaptive Optics, (25 October 2004); doi: 10.1117/12.552349
Show Author Affiliations
Donald M. Wiberg, Univ. of California Observatories/Lick Observatory (United States)
Univ. of California/Santa Cruz (United States)
Claire E. Max, Univ. of California Observatories/Lick Observatory (United States)
Univ. of California/Santa Cruz (United States)
Donald T. Gavel, Univ. of California Observatories/Lick Observatory (United States)
Univ. of California/Santa Cruz (United States)


Published in SPIE Proceedings Vol. 5490:
Advancements in Adaptive Optics
Domenico Bonaccini Calia; Brent L. Ellerbroek; Roberto Ragazzoni, Editor(s)

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