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Laser & Optoelectronics Progress, Volume. 56, Issue 10, 101202(2019)

Railway Track Smoothness Detector Based on Laser Reference

Xiaoxian Wang1, Jian Guo1, Huifeng Wang2, Xiaoyan Wang2, Kenan Mu2, Xuhui Gou2、*, and Jingxue Ni2
Author Affiliations
  • 1 Highway Project Construction Department of Weinan, Weinan, Shaanxi 714000, China
  • 2 School of Electronic & Control Engineering, Chang'an University, Xi'an, Shaanxi 710064, China;
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    Figures & Tables(11)
    Irregularity parameters

    Fig. 1. Irregularity parameters

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    Principle diagram of height irregularity detection (side view)

    Fig. 2. Principle diagram of height irregularity detection (side view)

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    Principle diagram of alignment irregularity detection (top view)

    Fig. 3. Principle diagram of alignment irregularity detection (top view)

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    Curvature and curvature radius

    Fig. 4. Curvature and curvature radius

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    Principle diagram of curvature detection (top view)

    Fig. 5. Principle diagram of curvature detection (top view)

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    Principle of subsampling

    Fig. 6. Principle of subsampling

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    Structural diagram of hardware system

    Fig. 7. Structural diagram of hardware system

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    Structural diagram of software system of track detector

    Fig. 8. Structural diagram of software system of track detector

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    Flow chart of software

    Fig. 9. Flow chart of software

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    • Table 1. Data measured in range from 190 m to 200 m

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      Table 1. Data measured in range from 190 m to 200 m

      Chord length /mStandard heightirregularity /mmMeasured heightirregularity /mmStandard alignmentirregularity /mmMeasured alignmentirregularity /mm
      190.01.11.30.20.5
      190.52.42.31.31.6
      191.00.30.62.41.9
      191.52.22.23.13.0
      192.02.31.90.30.4
      192.50.90.81.51.9
      193.01.51.62.42.6
      193.51.21.21.11.5
      194.02.02.32.11.6
      194.52.42.81.91.9
      195.01.61.80.91.4
      195.51.71.51.31.4
      196.02.62.70.60.3
      196.52.31.92.83.0
      197.02.11.91.61.6
      197.50.31.11.92.5
      198.03.12.50.30.3
      198.51.11.82.72.4
      199.02.41.72.42.7
      199.50.81.91.32.2

    • Table 2. Data measured in range from 220 m to 230 m

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      Table 2. Data measured in range from 220 m to 230 m

      Chord length /mStandard heightirregularity /mmMeasured heightirregularity /mmStandard alignmentirregularity /mmMeasured alignmentirregularity /mm
      220.02.33.31.20.5
      220.51.32.50.30.2
      221.02.30.42.12.3
      221.50.91.21.33.2
      222.02.41.92.70.3
      222.50.60.81.51.9
      223.02.31.60.40.6
      223.50.81.20.01.5
      224.01.34.30.91.6
      224.50.53.61.94.6
      225.00.81.81.91.6
      225.52.71.52.90.5
      226.01.02.73.15.9
      226.51.02.52.40.9
      227.01.31.90.71.6
      227.51.31.90.70.9
      228.02.22.51.80.3
      228.52.62.91.33.5
      229.02.01.70.40.0
      229.50.83.41.65.4
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    Xiaoxian Wang, Jian Guo, Huifeng Wang, Xiaoyan Wang, Kenan Mu, Xuhui Gou, Jingxue Ni. Railway Track Smoothness Detector Based on Laser Reference[J]. Laser & Optoelectronics Progress, 2019, 56(10): 101202

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Sep. 5, 2018

    Accepted: Dec. 20, 2018

    Published Online: Jul. 4, 2019

    The Author Email: Gou Xuhui (442306601@qq.com)

    DOI:10.3788/LOP56.101202

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology