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William Ly
at NASA Marshall Space Flight Ctr
SPIE Involvement:
Author
Publications (3)
Proceedings Article | 4 February 2003 Paper
Primary mirror figure maintenance of the Hobby-Eberly Telescope using the segment alignment maintenance system
John Rakoczy, Drew Hall, Richard Howard, William Ly, John Weir, Edward Montgomery, Mark Adams, John Booth, James Fowler, Gregory Ames
Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.456734
KEYWORDS: Sensors, Mirrors, Control systems, Telescopes, Temperature metrology, Space telescopes, Calibration, Image segmentation, Image quality, Optical spheres
Proceedings Article | 4 February 2003 Paper
Global radius-of-curvature estimation and control for the Hobby-Eberly Telescope
John Rakoczy, Drew Hall, William Ly, Richard Howard, Edward Montgomery
Proceedings Volume 4837, (2003) https://doi.org/10.1117/12.456650
KEYWORDS: Sensors, Control systems, Telescopes, Mirrors, Optical spheres, Error analysis, Motion estimation, Space telescopes, Segmented mirrors, Actuators
Proceedings Article | 13 December 2002 Paper
Software development for the Hobby-Eberly Telescope's segment alignment maintenance system using LabVIEW
Drew Hall, William Ly, Richard Howard, John Weir, John Rakoczy
Proceedings Volume 4848, (2002) https://doi.org/10.1117/12.461269
KEYWORDS: Software development, Sensors, LabVIEW, Mirrors, Control systems, Telescopes, Electronics, Telecommunications, Calibration, Space telescopes
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