
Proceedings Paper
LSST Inner Loop Controller (ILC) design and characterizationFormat | Member Price | Non-Member Price |
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Paper Abstract
The Large Synoptic Survey Telescope (LSST) utilizes active optics on its three mirrors to maintain image quality. This
paper describes the philosophy behind the design and characterization of the inner loop controllers for the LSST project.
A custom approach was selected in order to satisfy the stringent requirements of the active optics control system
resulting in a very low power, robust and compact solution. The tough metrology requirements were translated into an
analog front end capable of performing with high accuracy under the varying ambient conditions, mainly temperature.
Networking capabilities are embedded in the design to adapt to different distributed control configurations. All basic
applications and some additional uses are discussed, and test results are presented.
Paper Details
Date Published: 7 August 2014
PDF: 14 pages
Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91512K (7 August 2014); doi: 10.1117/12.2056671
Published in SPIE Proceedings Vol. 9151:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation
Ramón Navarro; Colin R. Cunningham; Allison A. Barto, Editor(s)
PDF: 14 pages
Proc. SPIE 9151, Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation, 91512K (7 August 2014); doi: 10.1117/12.2056671
Show Author Affiliations
Published in SPIE Proceedings Vol. 9151:
Advances in Optical and Mechanical Technologies for Telescopes and Instrumentation
Ramón Navarro; Colin R. Cunningham; Allison A. Barto, Editor(s)
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