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Chinese Journal of Lasers, Volume. 47, Issue 3, 310001(2020)

Method for Establishing New Integrated Navigation System Based on Two-Dimensional Laser Doppler Velocimeter

Li Wentao1, Nie Xiaoming2, and Zhou Jian、*
Author Affiliations
  • 1School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
  • 2College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha, Hunan 410073, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (12)
    Cited By (5)
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    Figures & Tables(11)
    Optical arrangement of 1D LDV

    Fig. 1. Optical arrangement of 1D LDV

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    Optical arrangement of 2D LDV

    Fig. 2. Optical arrangement of 2D LDV

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    Structure of LDV/SINS integrated navigation system

    Fig. 3. Structure of LDV/SINS integrated navigation system

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    Speed measurement results of two subsystems. (a) Subsystem 1; (b) subsystem 2

    Fig. 4. Speed measurement results of two subsystems. (a) Subsystem 1; (b) subsystem 2

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    Photo of the experiment

    Fig. 5. Photo of the experiment

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    Operating path of the vehicle

    Fig. 6. Operating path of the vehicle

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    Output velocity curves of the subsystems of 2D LDV

    Fig. 7. Output velocity curves of the subsystems of 2D LDV

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    Error curve of horizontal position of single SINS

    Fig. 8. Error curve of horizontal position of single SINS

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    First results of 2D LDV/SINS integrated system. (a) Error curve of horizontal position; (b) error curve of height position

    Fig. 9. First results of 2D LDV/SINS integrated system. (a) Error curve of horizontal position; (b) error curve of height position

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    Second results of 2D LDV/SINS integrated system. (a) Error curve of horizontal position; (b) error curve of height position

    Fig. 10. Second results of 2D LDV/SINS integrated system. (a) Error curve of horizontal position; (b) error curve of height position

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    • Table 1. Main performance parameters of the 2D LDV

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      Table 1. Main performance parameters of the 2D LDV

      ParameterValue
      Relative accuracy of velocitymeasurement (1σ ) /%Probe 10.043
      Probe 20.046
      Range of velocity measurement /(km·h-1)0.1--120
      Data update rate /Hz100
      Installation distance /m<1.5
      Wavelength of laser /nm532
      Inclination angle of the probes /(°)75
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    Li Wentao, Nie Xiaoming, Zhou Jian. Method for Establishing New Integrated Navigation System Based on Two-Dimensional Laser Doppler Velocimeter[J]. Chinese Journal of Lasers, 2020, 47(3): 310001

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    Paper Information

    Category: remote sensing and sensor

    Received: Aug. 5, 2019

    Accepted: --

    Published Online: Mar. 12, 2020

    The Author Email: Zhou Jian (841788292@qq.com)

    DOI:10.3788/CJL202047.0310001

    Topics

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