Possible application of FPGA to the MAORY Real Time Computer
Date Issued
2017
Author(s)
Felini, C.
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Cosentino, G.
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Feautrier, P.
Description
This work has been partly supported by the Progetto Premiale E-ELT funded by the Italian Ministero dell’Istruzione, dell’Università e della Ricerca.
Abstract
MAORY is the post-focal Adaptive Optics module for the European Extremely Large Telescope first light. The baseline of MAORY is to rely upon the use of multiple Laser Guide Stars (6), multiple Natural Guide Stars (3) for wavefront sensing and multiple Deformable Mirrors (DM) for correction (M4/M5, that are part of the telescope, and 2 post focal DMs). The Real-Time Computer is a key sub-system of MAORY. It must collect the measurements from various sensing devices and drive several thousands actuators within high demanding latency requirements dictated by the system performance needs. The FPGA technology has been widely diffused in Real Time Systems due to its low latency and high determinism. Performance evaluation of this technology for the wavefront sensors images calibration and processing is in progress.
Volume
88
Start page
179
Issn Identifier
0037-8720
Ads BibCode
2017MmSAI..88..179F
Rights
open.access
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