FRIDA´s mechanisms control system structure and tests

R. Flores-Meza; G. Lara; B. Sánchez; C. Espejo; C. Keiman; J. Garcés; S. Cuevas; J. J. Díaz

doi:10.1117/12.2233897

8 August 2016 FRIDA´s mechanisms control system structure and tests

R. Flores-Meza, G. Lara, B. Sánchez, C. Espejo, C. Keiman, J. Garcés, S. Cuevas, J. J. Díaz

Proceedings Volume 9913, Software and Cyberinfrastructure for Astronomy IV; 99134K (2016) https://doi.org/10.1117/12.2233897
Event: SPIE Astronomical Telescopes + Instrumentation, 2016, Edinburgh, United Kingdom

Abstract

FRIDA will be a near infrared imager and integral field spectrograph covering the wavelength range from 0.9 to 2.5 microns. FRIDA will work in two observing modes: direct imaging and integral field spectroscopy. This paper presents the main structure of the FRIDA mechanisms control system. In order to comply with a high level of re-configurability FRIDA will comprise eight cryogenic mechanisms and one room temperature mechanism. Most of these mechanisms require high positioning repeatability to ensure FRIDA fulfills with high astronomical specifications. In order to set up the mechanisms positioning control parameters a set of programs have been developed to perform several tests of mechanisms in both room and cryogenic environments. The embedded control software for most of the FRIDA mechanisms has been developed. A description of some mechanisms tests and the software used for this purpose are presented.

Citation Download Citation

R. Flores-Meza, G. Lara, B. Sánchez, C. Espejo, C. Keiman, J. Garcés, S. Cuevas, and J. J. Díaz "FRIDA´s mechanisms control system structure and tests", Proc. SPIE 9913, Software and Cyberinfrastructure for Astronomy IV, 99134K (8 August 2016); https://doi.org/10.1117/12.2233897

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