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1 August 1991 Angular positioning mechanism for the ultraviolet coronagraph spectrometer
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A pointing/roll mechanism for the Ultraviolet Coronagraph Spectrometer (UVCS) is presented along with a description of the mechanism control algorithm. The mechanism, operating in space, will angulary position the 2.1 m long, 0.7 m diameter UVCS instrument in pitch and yaw, within a 54 arc-minute half-angle cone, also allowing it to rotate +/- 179.75 degree(s). After considerable design effort, an optimum mechanical solution was achieved which meets all scientific requirements as well as weight, volume, and power budgets. Evolution of the mechanism is presented along with the design status.
© (1991) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Miroslaw A. Ostaszewski and Larry J. Guy "Angular positioning mechanism for the ultraviolet coronagraph spectrometer", Proc. SPIE 1482, Acquisition, Tracking, and Pointing V, (1 August 1991); doi: 10.1117/12.45681;


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