18 August 2016 An automated performance budget estimator: a process for use in instrumentation
Author Affiliations +
Abstract
Current day astronomy projects continue to increase in size and are increasingly becoming more complex, regardless of the wavelength domain, while risks in terms of safety, cost and operability have to be reduced to ensure an affordable total cost of ownership. All of these drivers have to be considered carefully during the development process of an astronomy project at the same time as there is a big drive to shorten the development life-cycle. From the systems engineering point of view, this evolution is a significant challenge. Big instruments imply management of interfaces within large consortia and dealing with tight design phase schedules which necessitate efficient and rapid interactions between all the stakeholders to firstly ensure that the system is defined correctly and secondly that the designs will meet all the requirements. It is essential that team members respond quickly such that the time available for the design team is maximised.

In this context, performance prediction tools can be very helpful during the concept phase of a project to help selecting the best design solution. In the first section of this paper we present the development of such a prediction tool that can be used by the system engineer to determine the overall performance of the system and to evaluate the impact on the science based on the proposed design. This tool can also be used in "what-if" design analysis to assess the impact on the overall performance of the system based on the simulated numbers calculated by the automated system performance prediction tool. Having such a tool available from the beginning of a project can allow firstly for a faster turn-around between the design engineers and the systems engineer and secondly, between the systems engineer and the instrument scientist. Following the first section we described the process for constructing a performance estimator tool, followed by describing three projects in which such a tool has been utilised to illustrate how such a tool have been used in astronomy projects. The three use-cases are; EAGLE, one of the European Extremely Large Telescope (E-ELT) Multi-Object Spectrograph (MOS) instruments that was studied from 2007 to 2009, the Multi-Object Optical and Near-Infrared Spectrograph (MOONS) for the European Southern Observatory’s Very Large Telescope (VLT), currently under development and SST-GATE.
© (2016) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Philippe Laporte, Philippe Laporte, Hermine Schnetler, Hermine Schnetler, Phil Rees, Phil Rees, } "An automated performance budget estimator: a process for use in instrumentation", Proc. SPIE 9911, Modeling, Systems Engineering, and Project Management for Astronomy VI, 99110H (18 August 2016); doi: 10.1117/12.2232276; https://doi.org/10.1117/12.2232276
PROCEEDINGS
20 PAGES


SHARE
RELATED CONTENT

Adaptive architectures for spectral processing
Proceedings of SPIE (March 15 2016)
The BlackGEM array in search of black hole mergers ...
Proceedings of SPIE (July 05 2016)
MUSE optomechanical design and performance
Proceedings of SPIE (September 30 2004)
Adaptive optics components in Laserdot
Proceedings of SPIE (January 13 1992)
SCORE 1+: enhancing a unique mid-infrared spectrograph
Proceedings of SPIE (August 21 1998)

Back to Top