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Acta Optica Sinica, Volume. 42, Issue 8, 0812001(2022)

Position and Pose Measurement of Spatial Object Based on Digital Image Correlation

Yonghong Wang1,2、*, Yilei Zhu1,2, Qixue Gao1,2, and Huanqing Wang1,2
Author Affiliations
  • 1School of Instrument Science and Opto-Electronics Engineering, Hefei University of Technology, Hefei, Anhui 230009, China
  • 2Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, Hefei University of Technology, Hefei, Anhui 230009, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (25)
    Cited By (6)
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    Figures & Tables(11)
    Principle of DIC. (a) Reference image; (b) deformed image

    Fig. 1. Principle of DIC. (a) Reference image; (b) deformed image

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    Coordinate system conversion in stereo vision measurement system

    Fig. 2. Coordinate system conversion in stereo vision measurement system

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    Physical graphs of measured object and measurement system. (a) Mask sample; (b) position and pose measurement system of mask sample on translation and rotation stage

    Fig. 3. Physical graphs of measured object and measurement system. (a) Mask sample; (b) position and pose measurement system of mask sample on translation and rotation stage

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    Relative error of calculation points of different numbers for mask sample on translation and rotation stage. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

    Fig. 4. Relative error of calculation points of different numbers for mask sample on translation and rotation stage. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

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    Relative error of calculation points of optimal number for different M. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

    Fig. 5. Relative error of calculation points of optimal number for different M. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

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    Relative error of calculation points at different positions for mask sample on translation and rotation stage. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

    Fig. 6. Relative error of calculation points at different positions for mask sample on translation and rotation stage. (a) Transverse shift; (b) longitudinal shift; (c) elevation and subsidence; (d) yaw

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    Schematic diagram of measurement system of position and pose of six degree-of-freedom platform

    Fig. 7. Schematic diagram of measurement system of position and pose of six degree-of-freedom platform

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    Position and pose measurement system for mask sample on six degree-of-freedom platform

    Fig. 8. Position and pose measurement system for mask sample on six degree-of-freedom platform

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    • Table 1. Parameters of six degree-of-freedom platform

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      Table 1. Parameters of six degree-of-freedom platform

      ParameterValue
      Transverse shift range /mm-25--25
      Longitudinal shift range /mm-25--25
      Elevation and subsidence range /mm-21--21
      Pitching range /(°)-20--20
      Rolling range /(°)-20--20
      Yawing range /(°)-20--20
      Displacement positioning accuracy /mm0.5
      Angle positioning accuracy /(°)0.5

    • Table 2. Measurement results of displacement parameters of mask samplemm

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      Table 2. Measurement results of displacement parameters of mask samplemm

      Image sequenceMeasurement valueSet value
      Transverse shiftLongitudinal shiftElevation and subsidenceTransverse shiftLongitudinal shiftElevation and subsidence
      1-1.52-2.65-4.65-1.7-2.6-4.6
      2-2.871.44-0.61-2.91.5-0.5
      3-5.584.28-2.27-5.54.4-2.1
      4-6.220.83-5.20-6.00.7-5.0
      5-6.66-2.96-1.28-6.8-2.8-1.4
      6-4.470.39-3.92-4.80.6-3.8
      7-9.300.51-3.16-9.20.4-3.1
      89.88-2.71-9.3410.0-2.7-9.3
      913.61-5.0913.4013.8-5.213.2
      106.61-5.2211.176.5-5.311.2

    • Table 3. Measurement results of rotation parameters of mask sample(°)

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      Table 3. Measurement results of rotation parameters of mask sample(°)

      Image sequenceMeasurement valueSet value
      RollPitchYawRollPitchYaw
      11.990.21-0.361.90.3-0.3
      2-1.163.11-5.15-1.03.2-5.3
      31.373.58-4.041.73.8-3.8
      4-2.553.41-5.66-2.33.3-5.4
      50.182.840.700.22.70.6
      63.782.202.703.92.32.4
      79.303.43-4.909.13.2-5.0
      85.692.00-0.535.72.1-0.3
      90.665.900.290.75.70.3
      10-8.739.297.20-8.69.47.0
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    Yonghong Wang, Yilei Zhu, Qixue Gao, Huanqing Wang. Position and Pose Measurement of Spatial Object Based on Digital Image Correlation[J]. Acta Optica Sinica, 2022, 42(8): 0812001

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    Paper Information

    Category: Instrumentation, Measurement and Metrology

    Received: Aug. 23, 2021

    Accepted: Oct. 25, 2021

    Published Online: Mar. 30, 2022

    The Author Email: Wang Yonghong (yhwang@hfut.edu.cn)

    DOI:10.3788/AOS202242.0812001

    Topics

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