Optics and Precision Engineering, Volume. 31, Issue 14, 2040(2023)

CAD stereo model multi-source matching for ICF target pose measurement

ZhaoJie CHEN1... Yang ZHOU2 and Wei SONG1,* |Show fewer author(s)
Author Affiliations
  • 1School of Mechatronic Engineering and Automation, Shanghai University, Shanghai200444, China
  • 2Joint Laboratory of High Power Laser and Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai01800, China
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    Figures & Tables(16)
    Structure of 3-CCD target pose measuring device
    Flowchart of CAD model based multi-source matching for positional measurement method
    STL format file conversion process
    Distribution of model matching degree at different degrees of freedom
    Demonstration of GA evolution process
    Two algorithms matching degree value curve
    Comparison of measurement accuracy between GA and HAGA
    ICF target posture adjustment simulation system
    Diagram of cavity target size (unit: mm)
    3-CCD Target positioning experimental platform
    Ball target position adjustment results
    Cavity target position adjustment results
    • Table 1. Algorithm Parameter Setting

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      Table 1. Algorithm Parameter Setting

      参数GA算法HAGA算法
      种群数量100100
      迭代次数200200
      交叉率0.5Pc
      变异率0.1Pm
      基因串位数3627→36
      搜索范围

      ±300 μm;

      ±3°

      ±300→±100 μm;

      ±3°→±1°

      分层阈值T=0.75
    • Table 2. Cavity target pose measurement results

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      Table 2. Cavity target pose measurement results

      实验次数tx/μmty/μmtz/μmα/(°)γ/(°)
      1真实0.000.000.000.000.00
      测量1.672.331.98-0.05-0.07
      2真实100.000.000.000.500.00
      测量98.96-3.252.140.530.04
      3真实0.00100.000.000.500.90
      测量3.3496.94-2.500.460.96
      4真实100.00100.000.001.80-1.50
      测量102.19103.32-3.921.86-1.55
      5真实100.00100.000.00-1.801.60
      测量96.68100.091.67-1.771.65
    • Table 3. Experimental results of ball target adjustment

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      Table 3. Experimental results of ball target adjustment

      实验次数调整次数txtytz
      10-104.2-12.54.2
      1-2.80.01.6
      2-2.10.10.9
      204.1-158.3-16.7
      11.7-8.3-4.1
      20.0-3.41.6
      30-18.8-2.1-191.7
      1-2.0-1.7-15.6
      2-0.8-1.51.8
      40-216.7-225.1-299.3
      1-126.1-151.2-210.2
      2-10.5-8.3-21.3
      3-2.6-1.2-3.2
    • Table 4. Experimental results of cavitytarget adjustment

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      Table 4. Experimental results of cavitytarget adjustment

      实验次数调整次数tx/μmty/μmtz/μmα/(°)γ/(°)
      10-131.290.4-45.11.22-0.06
      121.3-181.0-9.20.17-0.02
      22.7-39.3-1.2-0.050.03
      30.9-8.4-0.9-0.020.02
      4-2.31.71.4-0.030.02
      2079.3-101.849.40.091.08
      112.4-20.18.40.040.21
      23.4-7.02.30.020.09
      32.0-2.41.1-0.020.04
      4-1.5-1.8-3.2-0.030.07
      30-99.2-63.5-76.11.120.91
      123.7-171.2-11.40.240.16
      24.9-29.8-3.90.070.05
      31.2-7.3-1.80.04-0.02
      4-2.3-3.51.5-0.040.05
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    ZhaoJie CHEN, Yang ZHOU, Wei SONG. CAD stereo model multi-source matching for ICF target pose measurement[J]. Optics and Precision Engineering, 2023, 31(14): 2040

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    Paper Information

    Category: Micro/Nano Technology and Fine Mechanics

    Received: Jan. 2, 2023

    Accepted: --

    Published Online: Aug. 2, 2023

    The Author Email: SONG Wei (song_wei@shu.edu.cn)

    DOI:10.37188/OPE.20233114.2040

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