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  MORFEO (formerly known as MAORY) LOR WFS module preliminary electronics design

Lapucci, T., Bonaglia, M., Busoni, L., Grani, P., Puglisi, A., Ziegleder, J., et al. (2022). MORFEO (formerly known as MAORY) LOR WFS module preliminary electronics design. In L. Schreiber, & D. Schmidt (Eds.), ADAPTIVE OPTICS SYSTEMS VIII. doi:10.1117/12.2629263.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-8C26-C Version Permalink: https://hdl.handle.net/21.11116/0000-000C-8C27-B
Genre: Conference Paper

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 Creators:
Lapucci, T., Author
Bonaglia, M., Author
Busoni, L., Author
Grani, P., Author
Puglisi, A., Author
Ziegleder, J.1, Author           
Eredia, C., Author
Cascone, E., Author
Colapietro, M., Author
Ciliegi, P., Author
Affiliations:
1Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society, ou_159889              

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 Abstract: The paper presents the current electronics design status of the MORFEO (formerly known as MAORY) Low-Order and Reference (LOR) WFS module. The LOR WFS Module is a subsystem of MORFEO and it implements the NGS WFS capabilities of the MCAO system. The LOR WFS module is hosted in the Green Doughnut: a volume shared with the MICADO SCAO system and embedded into the MICADO envelope. Both the optomechanics and electronics shall take into account the design constraints given by the shared environment. While the LOR devices are placed in the Green Doughnut, the subsystem control electronics modules are hosted inside two cabinets on the MICADO co-rotating platform. In this framework a continuous effort has been carried out to harmonize all the electronics design with the MICADO partners. In this paper we present the tasks of the LOR electronics and the selection of the actuators, cameras and sensors needed to implement the WFS. Moreover, we briefly provide a description of their foreseen positioning inside the two 19” cabinets. Then we focus on the description of the control electronics strategy which follows the ESO design guidelines, i.e. based on Beckhoff PLC and EtherCAT Fieldbus. We detail the analysis of all the hardware modules used to implement functions such as I/O signals, digital communication interfaces, motion control and sensor front-end. Finally, we discuss some preliminary results of the tests performed to evaluate the control strategies. This prototyping activity will be continued and broadened out during the incoming FDR.

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Language(s): eng - English
 Dates: 2022-08-29
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1117/12.2629263
 Degree: -

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Title: Conference on Adaptive Optics Systems VIII Part of SPIE Astronomical Telescopes and Instrumentation Conference
Place of Event: Montreal, CANADA
Start-/End Date: 2022-07-14 - 2022-07-22

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Title: ADAPTIVE OPTICS SYSTEMS VIII
Source Genre: Proceedings
 Creator(s):
Schreiber, L., Editor
Schmidt, D., Editor
Vernet, E., Author
Affiliations:
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Publ. Info: -
Pages: - Volume / Issue: - Sequence Number: 121854N Start / End Page: - Identifier: ISBN: 978-1-5106-1959-3
ISBN: 978-1-5106-1960-9

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Title: Proceedings of SPIE
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Publ. Info: Bellingham, WA, USA : Society of Photo-Optical Instrumentation Engineers
Pages: - Volume / Issue: 12185 Sequence Number: - Start / End Page: - Identifier: ISSN: 0277-786X