Video Scanning Hartmann Optical Tester (VSHOT) Uncertainty Analysis: Preprint

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This purely analytical work is based primarily on the geometric optics of the system and shows sensitivities to various design and operational parameters. We discuss sources of error with measuring devices, instrument calibrations, and operator measurements for a parabolic trough test. In this paper, we include both the random (precision) and systematic (bias) errors for VSHOT testing and their contributions to the uncertainty. The contributing factors that we considered in this study are target tilt, target face to laser output distance, instrument vertical offset, scanner tilt, distance between the tool and the test piece, camera calibration, and scanner/calibration.

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11 pp.

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Lewandowski, A. & Gray, A. October 1, 2010.

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Description

This purely analytical work is based primarily on the geometric optics of the system and shows sensitivities to various design and operational parameters. We discuss sources of error with measuring devices, instrument calibrations, and operator measurements for a parabolic trough test. In this paper, we include both the random (precision) and systematic (bias) errors for VSHOT testing and their contributions to the uncertainty. The contributing factors that we considered in this study are target tilt, target face to laser output distance, instrument vertical offset, scanner tilt, distance between the tool and the test piece, camera calibration, and scanner/calibration.

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11 pp.

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  • Presented at SolarPACES 2010, 21-24 September 2010, Perpignan, France

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  • Report No.: NREL/CP-5500-49305
  • Grant Number: AC36-08GO28308
  • Office of Scientific & Technical Information Report Number: 991557
  • Archival Resource Key: ark:/67531/metadc1016012

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  • October 1, 2010

Added to The UNT Digital Library

  • Oct. 14, 2017, 8:36 a.m.

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  • Oct. 25, 2017, 4:14 p.m.

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Lewandowski, A. & Gray, A. Video Scanning Hartmann Optical Tester (VSHOT) Uncertainty Analysis: Preprint, article, October 1, 2010; Golden, Colorado. (digital.library.unt.edu/ark:/67531/metadc1016012/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.