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Development of an alignment platform for ESO's mid-infrared E-ELT imager and spectrograph (METIS)
Author(s): André Boné; António Amorim; Paulo Gordo; Izabella Hemprich; Gabby Kroes; Adrian Glauser; Stephen March; Gert Raskin; Paulo Garcia
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Paper Abstract

We present a solution to the challenges of interfacing the ELT’s METIS to the telescope using a steerable hexapod structure. To guide the architectural choices, lumped physical models were derived from inverse kinematics in order to address the load distribution in each arm. Complete FE Analysis is carried on the optimal solutions of these models. The hexapod arms, which are high precision heavy duty linear actuators enduring forces in the excess of 30 tons, are designed using standard components whenever possible. An overall fully functional support structure design, satisfying the ESO/ELT and METIS requirements, is described.

Paper Details

Date Published: 6 July 2018
PDF: 14 pages
Proc. SPIE 10698, Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave, 1069861 (6 July 2018); doi: 10.1117/12.2312495
Show Author Affiliations
André Boné, Univ. de Lisboa (Portugal)
António Amorim, Univ. de Lisboa (Portugal)
Paulo Gordo, Univ. de Lisboa (Portugal)
Izabella Hemprich, Univ. de Lisboa (Portugal)
Gabby Kroes, ASTRON (Netherlands)
Adrian Glauser, ETH Zurich (Switzerland)
Stephen March, ETH Zurich (Switzerland)
Gert Raskin, KU Leuven (Belgium)
Paulo Garcia, Univ. do Porto (Portugal)


Published in SPIE Proceedings Vol. 10698:
Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave
Makenzie Lystrup; Howard A. MacEwen; Giovanni G. Fazio; Natalie Batalha; Nicholas Siegler; Edward C. Tong, Editor(s)

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