Infrared and Laser Engineering, Volume. 54, Issue 5, 20240550(2025)

Research on the compensation method for positioning error of laser tracker active aiming target

Zhi CHENG1,2, Qifan QIU1,3, Yang LI1、*, Guoming WANG1,2, Jia ZHANG1, Dengfeng DONG1,2、*, Weihu ZHOU1,2, and Zili ZHANG1,2
Author Affiliations
  • 1Institute of Microelectronics, Chinese Academy of Sciences, Beijing 100029, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3College of Automation Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China
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    Figures & Tables(15)
    Overall structure of active aiming target
    Working principle of active aiming target
    Block diagram of aiming control system
    Schematic diagram of azimuth axis geometric errors and structural parameters
    Schematic diagram of pitch axis geometric errors and structural parameters
    Kinematic topology structure of active aiming target
    Layout of parameter identification experimental device
    Aiming performance testing device of the target
    Angular rate and miss distance of the target in aiming state
    Active aiming target kinematic error parameter calibration device
    Residuals of identified geometric error parameters
    Offset of target coordinates relative to the reference position before and after compensation
    Displacement error of target coordinates before and after compensation
    • Table 1. Parameters of target kinematic error model

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      Table 1. Parameters of target kinematic error model

      TypeParameterSymbol
      Geometric errorsTilt of azimuth axisδα0, δβ0
      Translation of azimuth axisδx0, δy0
      Tilt of pitch axisδβ1, δγ1
      Translation of pitch axisδx1, δy1
      Reflection prism position errorδx2, δy2, δz2
      Zero position error of azimuth axisδγ0
      Zero position error of pitch axisδα1
      Structural parametersZ-axis translation of azimuth axisδz0
      Z-axis translation of pitch axisδz1
      Motion parametersAzimuth angle indicationφ
      Pitch angle indicationθ
    • Table 2. Identification results of kinematic error parameters

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      Table 2. Identification results of kinematic error parameters

      Serial numberParametersIdentification value
      1δα0/(°)0.037
      2δβ0/(°)0.009
      3δγ0/(°)149.852
      4δx0/mm265.523
      5δy0/mm138.606
      6δz0/mm148.348
      7δα1/(°)-1.848
      8δβ1/(°)-0.739
      9δγ1/(°)79.314
      10δx1/mm18.703
      11δy1/mm0.200
      12δz1/mm151.521
      13δx2/mm-12.914
      14δy2/mm14.864
      15δz2/mm0.681
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    Zhi CHENG, Qifan QIU, Yang LI, Guoming WANG, Jia ZHANG, Dengfeng DONG, Weihu ZHOU, Zili ZHANG. Research on the compensation method for positioning error of laser tracker active aiming target[J]. Infrared and Laser Engineering, 2025, 54(5): 20240550

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    Paper Information

    Category: Laser

    Received: Nov. 27, 2024

    Accepted: --

    Published Online: May. 26, 2025

    The Author Email: Yang LI (liyang@ime.ac.cn), Dengfeng DONG (dongdengfeng@ime.ac.cn)

    DOI:10.3788/IRLA20240550

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