Laser & Optoelectronics Progress, Volume. 55, Issue 3, 031002(2018)

Research and Implementation of Laser Triangulation System Based on Telecentric Lens

Zhengtao Zhu, Weidong Pei*, Yuan Li, and Daan Xiao
Author Affiliations
  • School of Electro-Mechanical Engineering, Guangdong University of Technology, Guangzhou, Guangdong 510006, China
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    Figures & Tables(7)
    Schematic of direct laser triangulation system
    Schematic of oblique triangulation system
    Schematic of laser triangulation system based on ordinary optical lens (a) and telecentric lens (b)
    Schematic of laser triangulation system
    Laser stripe and its processing results
    • Table 1. Measurement resultmm

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      Table 1. Measurement resultmm

      No.Product 1Product 2Product 3
      Actual valuesMeasured valuesActual valuesMeasured valuesActual valuesMeasured values
      19.7369.73515.61215.62535.42635.412
      29.7359.73915.53815.54035.51035.532
      39.6879.69215.55515.54735.47334.452
      49.6809.68215.60515.61535.47134.470
      59.7189.71615.58615.58935.44635.414
      69.6689.70115.60215.59735.44935.452
    • Table 2. Quantitative analysismm

      View table

      Table 2. Quantitative analysismm

      ErrorProduct 1Product 2Product 3
      Maximum error0.00500.01300.0320
      Average error0.00250.00680.0155
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    Zhengtao Zhu, Weidong Pei, Yuan Li, Daan Xiao. Research and Implementation of Laser Triangulation System Based on Telecentric Lens[J]. Laser & Optoelectronics Progress, 2018, 55(3): 031002

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    Paper Information

    Category: Image processing

    Received: Aug. 28, 2017

    Accepted: --

    Published Online: Sep. 10, 2018

    The Author Email: Pei Weidong ( 1733326544@qq.com)

    DOI:10.3788/LOP55.031002

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