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Proceedings Paper

System engineering of the Atacama Large Millimeter/submillimeter Array
Author(s): Ravinder Bhatia; Javier Martí; William Snow; Masahiro Sugimoto; Richard Sramek; Maurizio Miccolis; Koh-Ichiro Morita; Demián Arancibia; Andrea Araya; Shin'ichiro Asayama; Denis Barkats; Rodrigo Brito; William Brundage; Wes Grammer; Christoph Haupt; Herve Kurlandczyk; Norikazu Mizuno; Peter Napier; Eduardo Pizarro; Kamaljeet Saini; Gretchen Stahlman; Gianluca Verzichelli; Nick Whyborn; Pavel Yagoubov
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Paper Abstract

The Atacama Large Millimeter/submillimeter Array (ALMA) will be composed of 66 high precision antennae located at 5000 meters altitude in northern Chile. This paper will present the methodology, tools and processes adopted to system engineer a project of high technical complexity, by system engineering teams that are remotely located and from different cultures, and in accordance with a demanding schedule and within tight financial constraints. The technical and organizational complexity of ALMA requires a disciplined approach to the definition, implementation and verification of the ALMA requirements. During the development phase, System Engineering chairs all technical reviews and facilitates the resolution of technical conflicts. We have developed analysis tools to analyze the system performance, incorporating key parameters that contribute to the ultimate performance, and are modeled using best estimates and/or measured values obtained during test campaigns. Strict tracking and control of the technical budgets ensures that the different parts of the system can operate together as a whole within ALMA boundary conditions. System Engineering is responsible for acceptances of the thousands of hardware items delivered to Chile, and also supports the software acceptance process. In addition, System Engineering leads the troubleshooting efforts during testing phases of the construction project. Finally, the team is conducting System level verification and diagnostics activities to assess the overall performance of the observatory. This paper will also share lessons learned from these system engineering and verification approaches.

Paper Details

Date Published: 25 September 2012
PDF: 12 pages
Proc. SPIE 8449, Modeling, Systems Engineering, and Project Management for Astronomy V, 844907 (25 September 2012); doi: 10.1117/12.926822
Show Author Affiliations
Ravinder Bhatia, Joint ALMA Observatory (Chile)
Javier Martí, Joint ALMA Observatory (Chile)
William Snow, Joint ALMA Observatory (Chile)
Masahiro Sugimoto, Joint ALMA Observatory (Chile)
Richard Sramek, Joint ALMA Observatory (Chile)
Maurizio Miccolis, Joint ALMA Observatory (Chile)
Koh-Ichiro Morita, Joint ALMA Observatory (Chile)
Demián Arancibia, Joint ALMA Observatory (Chile)
Andrea Araya, Joint ALMA Observatory (Chile)
Shin'ichiro Asayama, Joint ALMA Observatory (Chile)
Denis Barkats, Joint ALMA Observatory (Chile)
Rodrigo Brito, Joint ALMA Observatory (Chile)
William Brundage, National Radio Astronomy Observatory (United States)
Wes Grammer, National Radio Astronomy Observatory (United States)
Christoph Haupt, European Southern Observatory (Germany)
Herve Kurlandczyk, European Southern Observatory (Germany)
Norikazu Mizuno, National Astronomical Observatory of Japan (Japan)
Peter Napier, Joint ALMA Observatory (Chile)
Eduardo Pizarro, Joint ALMA Observatory (Chile)
Kamaljeet Saini, National Radio Astronomy Observatory (United States)
Gretchen Stahlman, Joint ALMA Observatory (Chile)
Gianluca Verzichelli, European Southern Observatory (Germany)
Nick Whyborn, Joint ALMA Observatory (Chile)
Pavel Yagoubov, European Southern Observatory (Germany)

Published in SPIE Proceedings Vol. 8449:
Modeling, Systems Engineering, and Project Management for Astronomy V
George Z. Angeli; Philippe Dierickx, Editor(s)

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