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Title: Design and Implementation of the PALM-3000 Real-Time Control System
Authors: Truong, Tuan N.
Bouchez, Antonin H.
Burruss, Rick S.
Dekany, Richard G.
Guiwits, Stephen R.
Roberts, Jennifer E.
Shelton, Jean C.
Troy, Mitchell
Keywords: PALM-3000
adaptive optics
wavefront processor
dense matrix-vector multiplication
Issue Date: 1-Jul-2012
Publisher: Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2012.
Citation: SPIE Astronomical Telescopes+Instrumentation, Amsterdam, Netherlands, July 1-6, 2012
Abstract: This paper reflects, from a computational perspective, on the experience gathered in designing and implementing realtime control of the PALM-3000 adaptive optics system currently in operation at the Palomar Observatory. We review the algorithms that serve as functional requirements driving the architecture developed, and describe key design issues and solutions that contributed to the system’s low compute-latency. Additionally, we describe an implementation of dense matrix-vector-multiplication for wavefront reconstruction that exceeds 95% of the maximum sustained achievable bandwidth on NVIDIA Geforce 8800GTX GPU.
Appears in Collections:JPL TRS 1992+

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