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Statistical approach to systems engineering for the Thirty Meter Telescope

Angeli, George Z. and Vogiatzis, Konstantinos (2010) Statistical approach to systems engineering for the Thirty Meter Telescope. In: Modeling, Systems Engineering, and Project Management for Astronomy IV. Proceedings of SPIE. No.7738. Society of Photo-optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 773817. ISBN 978-0-81948-228-0.

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Core components of systems engineering are the proper understanding of the top level system requirements, their allocation to the subsystems, and then the verification of the system built against these requirements. System performance, ultimately relevant to all three of these components, is inherently a statistical variable, depending on random processes influencing even the otherwise deterministic components of performance, through their input conditions. The paper outlines the Stochastic Framework facilitating both the definition and estimate of system performance in a consistent way. The environmental constraints at the site of the observatory are significant design drivers and can be derived from the Stochastic Framework, as well. The paper explains the control architecture capable of achieving the overall system performance as well as its allocation to subsystems. An accounting for the error and disturbance sources, as well as their dependence on environmental and operational parameters is included. The most current simulations results validating the architecture and providing early verification of the preliminary TMT design are also summarized.

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Additional Information:© 2010 SPIE. The TMT Project thankfully appreciates the contribution of the 3 years record of telescope alt/az angles by Gemini Observatory. The authors highly value the comments and suggestions of Manhias Schock (TMT), Angel Otarola (TMT), and Hugh Thompson (TMT), regarding the interpretation of environmental data and the definition of environmental constraint ranges. The TMT Project gratefully acknowledges the support of the TMT partner institutions. They are the Association of Canadian Universities for Research in Astronomy (ACURA), the California Institute of Technology and the University of California. This work was supported as well by the Gordon and Betty Moore Foundation, the Canada Foundation for Innovation, the Ontario Ministry of Research and Innovation, the National Research Council of Canada, the Natural Sciences and Engineering Research Council of Canada, the British Columbia Knowledge Development Fund, the Association of Universities for Research in Astronomy (AURA) and the U.S. National Science Foundation.
Funding AgencyGrant Number
Association of Canadian Universities for Research in Astronomy (ACURA)UNSPECIFIED
University of CaliforniaUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Canada Foundation for Innovation (CFI)UNSPECIFIED
Ontario Ministry of Research and InnovationUNSPECIFIED
National Research Council of CanadaUNSPECIFIED
British Columbia Knowledge Development FundUNSPECIFIED
Association of Universities for Research in Astronomy (AURA)UNSPECIFIED
Series Name:Proceedings of SPIE
Issue or Number:7738
Record Number:CaltechAUTHORS:20110324-113223198
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Official Citation:George Z. Angeli and Konstantinos Vogiatzis, "Statistical approach to systems engineering for the Thirty Meter Telescope", Proc. SPIE 7738, 773817 (2010); doi:10.1117/12.858245
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:23094
Deposited By: Tony Diaz
Deposited On:15 Apr 2011 17:35
Last Modified:03 Oct 2019 02:43

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