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Proceedings Paper

UML modeling of the LINC-NIRVANA control software
Author(s): Wolfgang Gaessler; Thomas Bertram; F. Briegel; Thomas M. Driebe; Matthias Heininger; Edmund Nussbaum; Clemens Storz; J. Wang; Lahbib Zealouk; Thomas M. Herbst; Roberto Ragazzoni; A. Eckhardt; Gerd P. Weigelt
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Paper Abstract

LINC-NIRVANA is a Fizeau interferometer for the Large Binocular Telescope (LBT) doing imaging in the near infrared (J,H,K - band). Multi-conjugated adaptive optics is used to increase sky coverage and to get diffraction limited images over a 2 arcminute field of view. The control system consists of five independent loops, which are mediated through a master control. Due to the configuration, LINC-NIRVANA has no delay line like other interferometers. To remove residual atmospheric piston, the system must control both the primary and secondary mirrors, in addition to a third, dedicated piston mirror. This leads to a complex and interlocked control scheme and software. We will present parts of the instrument software design, which was developed in an object-oriented manner using UML. Several diagram types were used to structure the overall system and to evaluate the needs and interfaces of each sub-system to each other.

Paper Details

Date Published: 15 September 2004
PDF: 9 pages
Proc. SPIE 5496, Advanced Software, Control, and Communication Systems for Astronomy, (15 September 2004); doi: 10.1117/12.551756
Show Author Affiliations
Wolfgang Gaessler, Max-Planck-Institut fur Astronomie (Germany)
Thomas Bertram, Univ. zu Koln (Germany)
F. Briegel, Max-Planck-Institut fur Astronomie (Germany)
Thomas M. Driebe, Max-Planck-Institut fur Radioastronomie (Germany)
Matthias Heininger, Max-Planck-Institut fur Radioastronomie (Germany)
Edmund Nussbaum, Max-Planck-Institut fur Radioastronomie (Germany)
Clemens Storz, Max-Planck-Institut fur Astronomie (Germany)
J. Wang, Univ. zu Koln (Germany)
Lahbib Zealouk, Univ. zu Koln (Germany)
Thomas M. Herbst, Max-Planck-Institut fur Astronomie (Germany)
Roberto Ragazzoni, Max-Planck-Institut fur Astronomie (Germany)
INAF, Osservatorio Astrofisico di Arcetri (Italy)
A. Eckhardt, Univ. zu Koln (Germany)
Gerd P. Weigelt, Max-Planck-Institut fur Radioastronomie (Germany)

Published in SPIE Proceedings Vol. 5496:
Advanced Software, Control, and Communication Systems for Astronomy
Hilton Lewis; Gianni Raffi, Editor(s)

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