Design and implementation of the PALM-3000 real-time control system

Tuan N. Truong; Antonin H. Bouchez; Rick S. Burruss; Richard G. Dekany; Stephen R. Guiwits; Jennifer E. Roberts; Jean C. Shelton; Mitchell Troy

doi:10.1117/12.927867

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13 September 2012 Design and implementation of the PALM-3000 real-time control system

Tuan N. Truong; Antonin H. Bouchez; Rick S. Burruss; Richard G. Dekany; Stephen R. Guiwits; Jennifer E. Roberts; Jean C. Shelton; Mitchell Troy

Author Affiliations +

Proceedings Volume 8447, Adaptive Optics Systems III; 84472F (2012) https://doi.org/10.1117/12.927867
Event: SPIE Astronomical Telescopes + Instrumentation, 2012, Amsterdam, Netherlands

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 achievable bandwidth on NVIDIA GeForce 8800GTX GPU.

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Tuan N. Truong, Antonin H. Bouchez, Rick S. Burruss, Richard G. Dekany, Stephen R. Guiwits, Jennifer E. Roberts, Jean C. Shelton, and Mitchell Troy "Design and implementation of the PALM-3000 real-time control system", Proc. SPIE 8447, Adaptive Optics Systems III, 84472F (13 September 2012); doi: 10.1117/12.927867; https://doi.org/10.1117/12.927867

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