CAD Model and Visual Assisted Control System for NIF Target Area Positioners

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Description

The National Ignition Facility (NIF) target chamber contains precision motion control systems that reach up to 6 meters into the target chamber for handling targets and diagnostics. Systems include the target positioner, an alignment sensor, and diagnostic manipulators (collectively called positioners). Target chamber shot experiments require a variety of positioner arrangements near the chamber center to be aligned to an accuracy of 10 micrometers. Positioners are some of the largest devices in NIF, and they require careful monitoring and control in 3 dimensions to prevent interferences. The Integrated Computer Control System provides efficient and flexible multi-positioner controls. This is accomplished ... continued below

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5 p. (0.3 MB)

Creation Information

Tekle, E A; Wilson, E F & Paik, T S October 3, 2007.

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Description

The National Ignition Facility (NIF) target chamber contains precision motion control systems that reach up to 6 meters into the target chamber for handling targets and diagnostics. Systems include the target positioner, an alignment sensor, and diagnostic manipulators (collectively called positioners). Target chamber shot experiments require a variety of positioner arrangements near the chamber center to be aligned to an accuracy of 10 micrometers. Positioners are some of the largest devices in NIF, and they require careful monitoring and control in 3 dimensions to prevent interferences. The Integrated Computer Control System provides efficient and flexible multi-positioner controls. This is accomplished through advanced video-control integration incorporating remote position sensing and realtime analysis of a CAD model of target chamber devices. The control system design, the method used to integrate existing mechanical CAD models, and the offline test laboratory used to verify proper operation of the control system are described.

Physical Description

5 p. (0.3 MB)

Notes

PDF-file: 5 pages; size: 0.3 Mbytes

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  • Presented at: International Conference on Accelerator and Large Experimental Physics Control Systems, Knoxville, TN, United States, Oct 14 - Oct 20, 2007

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  • Report No.: UCRL-CONF-235368
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 922791
  • Archival Resource Key: ark:/67531/metadc894281

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • October 3, 2007

Added to The UNT Digital Library

  • Sept. 27, 2016, 1:39 a.m.

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  • April 13, 2017, 6:15 p.m.

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Tekle, E A; Wilson, E F & Paik, T S. CAD Model and Visual Assisted Control System for NIF Target Area Positioners, article, October 3, 2007; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc894281/: accessed October 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.