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Proceedings Paper

Aspects of concurrent design during the VISTA IR camera detailed design phase
Author(s): Martin E. Caldwell; Martin S. Whalley; Guy Woodhouse; Ruben L. Edeson; Kevin Burke; John M. Lucas; Bryan M. Shaughnessy; Tony Richards; Kim Ward; Gavin Dalton; Melanie Leclerc; Angus Gallie; Paul Clark
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Paper Abstract

As detailed instrument design progresses, judgements have to be made as to what changes to allow and when models such as thermal, stray-light and mechanical structure analysis have to be re-run. Starting from a well-founded preliminary design, and using good engineering design when incorporating changes, the design detailing and re-run of the models should bring no surprises. Nevertheless there are issues for maintaining the design and model configuration to a reasonably concurrent level. Using modern modeling software packages and foresight in setting up the models the process is made efficient, but at the same time the level of detail and number of cases now needed for instrument reviews is also large in order to minimise risks. We describe examples from the detailed instrument design of the VISTA IR Camera to illustrate these aspects and outline the design and analysis methods used.

Paper Details

Date Published: 16 September 2004
PDF: 11 pages
Proc. SPIE 5497, Modeling and Systems Engineering for Astronomy, (16 September 2004); doi: 10.1117/12.550907
Show Author Affiliations
Martin E. Caldwell, Rutherford Appleton Lab. (United Kingdom)
Martin S. Whalley, Rutherford Appleton Lab. (United Kingdom)
Guy Woodhouse, Rutherford Appleton Lab. (United Kingdom)
Ruben L. Edeson, Rutherford Appleton Lab. (United Kingdom)
Kevin Burke, Rutherford Appleton Lab. (United Kingdom)
John M. Lucas, Rutherford Appleton Lab. (United Kingdom)
Bryan M. Shaughnessy, Rutherford Appleton Lab. (United Kingdom)
Tony Richards, Rutherford Appleton Lab. (United Kingdom)
Kim Ward, Rutherford Appleton Lab. (United Kingdom)
Gavin Dalton, Rutherford Appleton Lab. (United Kingdom)
Melanie Leclerc, UK Astronomy Technology Ctr. (United Kingdom)
Angus Gallie, UK Astronomy Technology Ctr. (United Kingdom)
Paul Clark, Univ. of Durham (United Kingdom)

Published in SPIE Proceedings Vol. 5497:
Modeling and Systems Engineering for Astronomy
Simon C. Craig; Martin J. Cullum, Editor(s)

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