ALTERNATE FINE GUIDANCE SENSOR FOR THE SPACE TELESCOPE.

被引:0
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作者
Griffin, Michael D. [1 ]
Strikwerda, Thomas E. [1 ]
Grant, David G. [1 ]
机构
[1] Johns Hopkins Univ, Applied Physics, Lab, Space Telescope Alternate Fine, Guidance Sensor Program, Laurel, MD,, Johns Hopkins Univ, Applied Physics Lab, Space Telescope Alternate Fine Guidance Sensor Program, La
关键词
CONTROL SYSTEMS - SEMICONDUCTOR DIODES - SENSORS - Control - SILICON COMPOUNDS - SPACECRAFT;
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摘要
A study was conducted to develop a preliminary design of an alternate fine guidance sensor for the National Aeronautics and Space Administration's Space Telescope; an electrostatically focused silicon diode, quadrant array detector was selected. Simulations of the Space Telescope control system showed that the recommended sensor could meet the required performance specifications and would be substantially more robust than the baseline design that used a Koesters prism interferometer. Configuration studies verified the feasibility of retrofitting the sensor into the existing spacecraft.
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页码:51 / 59
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