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Acta Photonica Sinica, Volume. 53, Issue 3, 0314002(2024)

Prediction Model of Laser 3D Projection Galvanometer Deflection Voltage Based on PROA-BP

Xuezhu LIN1,2、*, Hai WANG1, Lili GUO1,2, Dongming YAN1, Lijuan LI1,2, Yue LIU1, and Jing SUN1
Author Affiliations
  • 1Key Laboratory of Optical Control and Optical Information Transmission Technology， Ministry of Education， School of Optoelectronic Engineering， Changchun University of Science and Technology， Changchun 130022， China
  • 2Zhongshan Institute of Changchun University of Science and Technology， Zhongshan 528437， China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (18)
    Equations (0)
    References (15)
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    Figures & Tables(18)
    Laser projection system internal geometric relationship structure diagram

    Fig. 1. Laser projection system internal geometric relationship structure diagram

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    BP neural network structure and neuron structure

    Fig. 2. BP neural network structure and neuron structure

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    Use PROA-BP neural network predictive galvanometer deflection voltage process

    Fig. 3. Use PROA-BP neural network predictive galvanometer deflection voltage process

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    Projection coordinate system

    Fig. 4. Projection coordinate system

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    Dataset acquisition

    Fig. 5. Dataset acquisition

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    MSE and MAE under the number of different neurons

    Fig. 6. MSE and MAE under the number of different neurons

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    MSE and MAE of different network structures under training dataset

    Fig. 7. MSE and MAE of different network structures under training dataset

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    Prediction errors of different network structures

    Fig. 8. Prediction errors of different network structures

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    k2 calibration

    Fig. 9. k2 calibration

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    k1 calibration

    Fig. 10. k1 calibration

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    Projection positioning error of laser 3D projection traditional model projection simulation

    Fig. 11. Projection positioning error of laser 3D projection traditional model projection simulation

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    Projection positioning error of projection simulation based on galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

    Fig. 12. Projection positioning error of projection simulation based on galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

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    Experimental verification platform

    Fig. 13. Experimental verification platform

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    Measure the center coordinates of the intersection points of the cross lines

    Fig. 14. Measure the center coordinates of the intersection points of the cross lines

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    Projection positioning error of projection experiment of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

    Fig. 15. Projection positioning error of projection experiment of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

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    • Table 1. Laser 3D projection traditional model projection simulation part of the data

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      Table 1. Laser 3D projection traditional model projection simulation part of the data

      Pointuvk1=6,k2=6,e=6.8k1=5.999 99,k2=6.004 10,e=6.798 37Error
      VHxyVHxy
      1-5-4.5-30-27-591.814 0-577.350 2-29.995 0-27.081 0-592.243 1-577.233 90.431 6
      2-3.52-2112229.124 2-383.864 0-20.996 512.008 0229.275 8-383.793 90.167 0
      3-1.5-3-9-18331.179 3-158.384 0-8.998 5-18.012 0331.413 3-158.358 00.235 6
      40.5339327.575 152.407 72.999 518.012 0327.807 752.399 00.234 8
      5241224458.202 9212.556 611.998 024.016 0458.543 1212.520 10.346 4
      63-2.518-15-283.561 0324.919 717.997 0-15.010-283.753 0324.861 80.196 5
      741.5249174.450 4445.228 723.996 09.006 0174.562 9445.145 00.181 2

    • Table 2. Projection simulation part of the data of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

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      Table 2. Projection simulation part of the data of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

      PointuvxyuvxyError
      1-40.2528.842 12-445.228 6-3.999 660.249 8728.826 6-445.186 00.045 38
      22.753.75434.820 2296.213 42.750 723.748 70434.662 4296.295 50.177 82
      3-1.753332.662 6-185.339 0-1.748 092.998 76332.503 4-185.132 10.261 04
      41.252215.836 0131.652 51.249 801.999 69215.801 0131.631 10.041 01
      5-4.5-2.75-334.462 4-509.525 4-4.499 11-2.749 16-334.338 6-509.408 00.170 62
      61.75-0.25-26.809 9185.339 01.750 34-0.251 21-26.939 9185.375 80.135 11
      71-1-106.397 8105.104 21.000 48-1.000 14-106.413 4105.155 00.053 14

    • Table 3. Projection experiment part of the data of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

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      Table 3. Projection experiment part of the data of galvanometer deflection voltage prediction model of laser 3D projection based on PROA-BP

      PointValue x/mmValue y/mmError/mmProjection positioning error
      TheoreticalActualTheoreticalActualxy
      1140.540 83140.703 41487.732 60487.691 750.162 58-0.040 850.167 63
      2-324.919 70-324.860 37-487.733 00-487.628 850.059 330.104 150.119 86
      3212.556 56212.714 70-577.350 00-577.497 640.158 14-0.147 640.216 35
      4674.508 52674.651 73404.026 20403.965 000.143 21-0.061 200.155 74
      5-445.228 69-445.230 9934.920 7735.004 08-0.002 300.083 310.083 34
      6531.709 43531.810 72-140.541 00-140.521 510.101 290.019 490.103 15
      7-105.104 24-104.978 5634.920 7734.800 980.125 68-0.119 790.173 62
      8-726.542 53-726.360 13-212.557 00-212.851 420.182 40-0.294 420.346 34
      9-105.104 24-105.152 03-781.286 00-780.965 99-0.047 790.320 010.323 56
      10-363.970 23-363.919 67105.104 20105.311 970.050 560.207 770.213 83
      11-445.228 69-445.236 88-69.926 80-70.004 77-0.008 19-0.077 970.078 40
      12-212.556 56-212.368 00-176.327 00-176.104 710.188 560.222 290.291 49
      13140.540 83140.620 26-105.104 00-105.224 840.079 43-0.120 840.144 61
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    Xuezhu LIN, Hai WANG, Lili GUO, Dongming YAN, Lijuan LI, Yue LIU, Jing SUN. Prediction Model of Laser 3D Projection Galvanometer Deflection Voltage Based on PROA-BP[J]. Acta Photonica Sinica, 2024, 53(3): 0314002

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    Paper Information

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    Received: Aug. 11, 2023

    Accepted: Oct. 9, 2023

    Published Online: May. 16, 2024

    The Author Email: Xuezhu LIN (custsnow@163.com)

    DOI:10.3788/gzxb20245303.0314002

    Topics

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