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A Cryogenic Scan Mechanism for use in Fourier Transform SpectrometersThis paper describes the requirements, design, assembly and testing of the linear Scan Mechanism (SM) of the Composite Infrared Spectrometer (CIRS) Instrument. The mechanism consists of an over constrained flexible structure, an innovative moving magnet actuator, passive eddy current dampers, a Differential Eddy Current (DEC) sensor, Optical Limit Sensors (OLS), and a launch lock. Although all the components of the mechanism are discussed, the flexible structure and the magnetic components are the primary focus. Several problems encountered and solutions implemented during the development of the scan mechanism are also described.
Document ID
19950020867
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Claef F Hakun (Goddard Space Flight Center Greenbelt, United States)
Kenneth A Blumenstock (Goddard Space Flight Center Greenbelt, United States)
Date Acquired
September 6, 2013
Publication Date
May 1, 1995
Publication Information
Publication: 29th Aerospace Mechanisms Symposium
Publisher: National Aeronautics and Space Administration
Subject Category
Instrumentation and Photography
Report/Patent Number
NASA-CP-3293
Meeting Information
Meeting: 29th Aerospace Mechanisms Symposium
Location: League City, TX
Country: US
Start Date: May 17, 1995
End Date: May 19, 1995
Sponsors: Lockheed Missiles and Space Company (United States), National Aeronautics and Space Administration
Accession Number
95N27287
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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