A bottoms-up approach to reliability estimation at the Thirty Meter Telescope International Observatory

Bart Fordham; Gelys Trancho; Sarah Gadjadhar

doi:10.1117/12.3020715

23 August 2024 A bottoms-up approach to reliability estimation at the Thirty Meter Telescope International Observatory

Bart Fordham, Gelys Trancho, Sarah Gadjadhar

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Proceedings Volume 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI; 130992W (2024) https://doi.org/10.1117/12.3020715
Event: SPIE Astronomical Telescopes + Instrumentation, 2024, Yokohama, Japan

Abstract

Reliability prediction in the realm of ground-based astronomy is a relatively new but highly beneficial application of reliability estimation techniques. As observatories grow in scale and complexity, reliability becomes an increasingly important feature, and a metric of system performance. At the Thirty Meter Telescope International Observatory, observing time is key to leveraging the science capabilities of the telescopes and instruments, hence maximizing the availability of all subsystems via measurable reliability information is extremely valuable. We present an analysis method that removes the barriers to completing a bottoms up reliability estimate for any opto-mechanical or electrical subsystem, and connection of the reliability estimates to FMEA and critical spares analysis.

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Bart Fordham, Gelys Trancho, and Sarah Gadjadhar "A bottoms-up approach to reliability estimation at the Thirty Meter Telescope International Observatory", Proc. SPIE 13099, Modeling, Systems Engineering, and Project Management for Astronomy XI, 130992W (23 August 2024); https://doi.org/10.1117/12.3020715

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KEYWORDS

Reliability

Design

Observatories

Thirty Meter Telescope

Telescopes

Systems modeling

Risk assessment

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