• Infrared and Laser Engineering
  • Vol. 53, Issue 4, 20230660 (2024)
Zhenya Chen1,2,3, Zhuoqiang Ma1,3,*, Xiang Li2, Xingquan Shen1,3..., Shangjin Yang1,3, Hongbin Miao1,3 and Chuanjie Lu4|Show fewer author(s)
Author Affiliations
  • 1School of Mechanical Engineering, North University of China, Taiyuan 030051, China
  • 2The 713 Research Institute of CSSC, Zhengzhou 450015, China
  • 3Shanxi Provincial Key Laboratory of Intelligent Equipment Technology in Harsh Environment, Taiyuan 030051, China
  • 4Shandong Pulisen Group Co., Ltd, Dezhou 253000, China
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    DOI: 10.3788/IRLA20230660 Cite this Article
    Zhenya Chen, Zhuoqiang Ma, Xiang Li, Xingquan Shen, Shangjin Yang, Hongbin Miao, Chuanjie Lu. Deep hole roundness measurement method of circular structured light system[J]. Infrared and Laser Engineering, 2024, 53(4): 20230660 Copy Citation Text show less
    Schematic diagram of point coordinate measurement of circular structured light system
    Fig. 1. Schematic diagram of point coordinate measurement of circular structured light system
    Small hole imaging model
    Fig. 2. Small hole imaging model
    Schematic diagram of measurement error analysis of circular structured light systems
    Fig. 3. Schematic diagram of measurement error analysis of circular structured light systems
    Schematic diagram of circular structured light system roundness measurement. (a) Before rigid body transformation; (b) After rigid body transformation
    Fig. 4. Schematic diagram of circular structured light system roundness measurement. (a) Before rigid body transformation; (b) After rigid body transformation
    Schematic diagram of grid search algorithm
    Fig. 5. Schematic diagram of grid search algorithm
    Schematic diagram of system calibration
    Fig. 6. Schematic diagram of system calibration
    Circular structure light fitting results
    Fig. 7. Circular structure light fitting results
    Roundness measurement experiment of circular structured light system
    Fig. 8. Roundness measurement experiment of circular structured light system
    Images of the halo taken during the experiment
    Fig. 9. Images of the halo taken during the experiment
    Results of halo center point extraction
    Fig. 10. Results of halo center point extraction
    3D point cloud of the inner surface to be measured
    Fig. 11. 3D point cloud of the inner surface to be measured
    Roundness assessment points for 5 sections
    Fig. 12. Roundness assessment points for 5 sections
    ParameterValue
    u02715.9593
    v01841.3643
    fx15127.5219
    fy15127.9817
    k1−0.0796
    k20.5261
    Table 1. Internal camera parameters and lens distortion parameters
    ParameterValue
    a1−0.00007745
    a2−0.00007774
    a30.00000987
    a40.00000001
    a5−0.00000038
    a6−0.00000044
    a7−0.00050127
    a8−0.00016611
    a9−0.00628916
    Table 2. Circular structured light parameters
    ResultNumber
    12345
    Reference/µm23.421.521.219.121.4
    Initial/µm49.550.147.355.649.7
    Measurement/µm28.625.425.323.926.5
    Error before compensation/µm26.128.626.136.528.3
    Error after compensation/µm5.23.94.14.85.1
    Table 3. Roundness evaluation results of 5 cross sections
    NumberMeasurement/µm
    148.3
    250.7
    350.4
    447.4
    551.2
    Table 4. Results of 5 roundness evaluations of a single section before compensation
    NumberMeasurement/µm
    126.4
    227.4
    327.1
    425.4
    526.9
    Table 5. Results of 5 roundness evaluations of a single section after compensation
    Zhenya Chen, Zhuoqiang Ma, Xiang Li, Xingquan Shen, Shangjin Yang, Hongbin Miao, Chuanjie Lu. Deep hole roundness measurement method of circular structured light system[J]. Infrared and Laser Engineering, 2024, 53(4): 20230660
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