Autonomous monitoring of control hardware to predict off-normal conditions using NIF automatic Alignment Systems

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The National Ignition Facility (NIF) is a high power laser system capable of supporting high-energy-density experimentation as a user facility for the next 30 years. In order to maximize the facility availability, preventive maintenance enhancements are being introduced into the system. An example of such an enhancement is a camera-based health monitoring system, integrated into the automated alignment system, which provides an opportunity to monitor trends in measurements such as average beam intensity, size of the beam, and pixel saturation. The monitoring system will generate alerts based on observed trends in measurements to allow scheduled pro-active maintenance before routine off-normal ... continued below

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Awwal, A; Wilhelmsen, K; Leach, R; Kamm, V M; Burkhart, S; Lowe-Webb, R et al. July 20, 2011.

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Description

The National Ignition Facility (NIF) is a high power laser system capable of supporting high-energy-density experimentation as a user facility for the next 30 years. In order to maximize the facility availability, preventive maintenance enhancements are being introduced into the system. An example of such an enhancement is a camera-based health monitoring system, integrated into the automated alignment system, which provides an opportunity to monitor trends in measurements such as average beam intensity, size of the beam, and pixel saturation. The monitoring system will generate alerts based on observed trends in measurements to allow scheduled pro-active maintenance before routine off-normal detection stops system operations requiring unscheduled intervention.

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PDF-file: 6 pages; size: 2.2 Mbytes

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  • Presented at: IAEA 8th Technical Meeting, San Francisco, CA, United States, Jun 20 - Jun 24, 2011

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  • Report No.: LLNL-CONF-491428
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 1022943
  • Archival Resource Key: ark:/67531/metadc845968

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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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  • July 20, 2011

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  • May 19, 2016, 3:16 p.m.

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  • Nov. 22, 2016, 8:17 p.m.

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Awwal, A; Wilhelmsen, K; Leach, R; Kamm, V M; Burkhart, S; Lowe-Webb, R et al. Autonomous monitoring of control hardware to predict off-normal conditions using NIF automatic Alignment Systems, article, July 20, 2011; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc845968/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.