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MOBL01 |
The ELT Control System: Recent Developments |
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- G. Chiozzi, L. Andolfato, J. Argomedo, N. Benes, C. Diaz Cano, A. Hoffstadt Urrutia, N. Kornweibel, U. Lampater, F. Pellegrin, M. Schilling, B. Sedghi, H. Sommer, M. Suarez Valles
ESO, Garching bei Muenchen, Germany
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The Extremely Large Telescope (ELT) is a 39m optical telescope under construction in the Chilean Atacama desert. The design is based on a five-mirror scheme, incorporating Adaptive Optics (AO). The primary mirror consists of 798 segments with 1.4m diameter. The main control challenges can be identified in the number of sensors (~25000) and actuators (~15000) to be coordinated, the computing performance and small latency required for phasing of the primary mirror and the AO. We focus on the design and implementation of the supervisory systems and control strategies. This includes a real time computing (RTC) toolkit to support the implementation of the AO for telescope and instruments. We will also report on the progress done in the implementation of the control software infrastructure necessary for development, testing and integration. We identify a few lessons learned in the past years of development and major challenges for the coming phases of the project.
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Slides MOBL01 [6.399 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-ICALEPCS2021-MOBL01
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About • |
Received ※ 10 October 2021 Revised ※ 15 October 2021
Accepted ※ 03 November 2021 Issue date ※ 25 December 2021 |
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