Optics and Precision Engineering, Volume. 32, Issue 14, 2272(2024)

UAV target positioning integrating multi-dimensional attitude adaptive sensing

Zhicheng LING1... Zhongkui LEI2,*, Daqing HUANG3, Cheng XU4 and Yanan HU1 |Show fewer author(s)
Author Affiliations
  • 1College of Electronic Information Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing206, China
  • 2Unmanned Aerial Vehicles Research Institute, Nanjing University of Aeronautics and Astronautics, Nanjing10016, China
  • 3Nanjing Changkong Technology Co., Ltd., Nanjing211899, China
  • 4College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing211106, China
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    Figures & Tables(12)
    Coordinate System
    UAV flight route for continuous target positioning
    Continuous target positioning error change trend
    Impact of systematic error differences on roll angle
    Differential effects of systematic errors at different relative yaw angles
    Differential effects of systematic errors at different relative yaw angles (2D projection map)
    Structure of the multi-task deep learning model
    Comparison of original error and residual after fitting
    Results before and after error correction
    • Table 1. Detailed error parameters

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      Table 1. Detailed error parameters

      误差名称误差分布误差量定位精度影响
      无人机纬度正态分布σΔPB=0.2e-31.116 1m/e-5°
      无人机经度正态分布σΔPL=0.2e-30.936 4m/e-5°
      无人机高程正态分布σΔPH=10m0.998 3m/m
      无人机偏航角正态分布σΔϕnb=0.10°0.613 1m/e-2°
      无人机俯仰角正态分布σΔγnb=0.02°0.809 3m/e-2°
      无人机横滚角正态分布σΔθnb=0.02°0.725 0m/e-2°
      偏航方向振动均匀分布Δϕbtv=0.05°0.560 9m/e-2°
      俯仰方向振动均匀分布Δγbtv=0.10°0.826 4m/e-2°
      横滚方向振动均匀分布Δθbtv=0.10°0.724 9m/e-2°
      侦察平台方位角正态分布σΔαct=0.05°0.560 9m/e-2°
      侦察平台高低角正态分布σΔβct=0.05°0.872 7m/e-2°
      激光测距正态分布σΔR=3m1.000 0m/m
    • Table 2. Error statistics before and after model optimization

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      Table 2. Error statistics before and after model optimization

      姿态角原始误差修正后的残差联合修正的残差
      MAESTDMAESTDMAESTD
      偏航角0.6001.0240.5630.8410.1850.332
      俯仰角0.5941.0210.1070.176
      横滚角0.6001.0310.1860.326
      方位角0.5961.0200.5750.849
      高低角0.6091.0330.0790.140
    • Table 3. Statistical results of the comparative experiments

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      Table 3. Statistical results of the comparative experiments

      本文方法方法一方法二
      偏航角残差0.5630.5710.423
      俯仰角残差0.1070.2210.295
      横滚角残差0.1860.3100.417
      方位角残差0.5750.566——
      高低角残差0.0790.185——
      定位误差19.60m34.32m51.27m
      精度提升81.10%66.91%50.57%
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    Zhicheng LING, Zhongkui LEI, Daqing HUANG, Cheng XU, Yanan HU. UAV target positioning integrating multi-dimensional attitude adaptive sensing[J]. Optics and Precision Engineering, 2024, 32(14): 2272

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    Paper Information

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    Received: Jan. 10, 2024

    Accepted: --

    Published Online: Sep. 27, 2024

    The Author Email: LEI Zhongkui (leizhongkui@nuaa.edu.cn)

    DOI:10.37188/OPE.20243214.2272

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