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<p>Monitoring and predicting changes in water quality characteristics requires timely collection of water samples. Water sampling poses various challenges, including limited staff, difficulty in reaching water bodies such as lakes and wide rivers, and time limitations, particularly following natural calamities and emergencies. To address these challenges, a unique unmanned aerial vehicle (UAV)-assisted water sampling apparatus equipped with multiple containers to achieve autonomous multi-point water sampling at per flight was developed. By integrating a UAV with multi-container sampling devices, a single flight of the UAV can collect up to five samples with a maximum volume of 500 &#xa0;mL/sample. The system was assessed through many field experiments. The consistency and effectiveness of the sampling device were verified by comparing water samples from local lakes collected with those obtained through traditional collection techniques. The developed system has a greater level of speed and safety compared with manual water sampling from large surface waters such as lakes and hard-to-reach water bodies.</p>

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Development of a UAV-assisted autonomous water sampling device

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年2月26日

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  • Junliang Wu,
  • Wenbin Deng,
  • Fucai Huang,
  • Xiangyang Song,
  • Lin Li,
  • Zhicai Zhai

摘要

Monitoring and predicting changes in water quality characteristics requires timely collection of water samples. Water sampling poses various challenges, including limited staff, difficulty in reaching water bodies such as lakes and wide rivers, and time limitations, particularly following natural calamities and emergencies. To address these challenges, a unique unmanned aerial vehicle (UAV)-assisted water sampling apparatus equipped with multiple containers to achieve autonomous multi-point water sampling at per flight was developed. By integrating a UAV with multi-container sampling devices, a single flight of the UAV can collect up to five samples with a maximum volume of 500  mL/sample. The system was assessed through many field experiments. The consistency and effectiveness of the sampling device were verified by comparing water samples from local lakes collected with those obtained through traditional collection techniques. The developed system has a greater level of speed and safety compared with manual water sampling from large surface waters such as lakes and hard-to-reach water bodies.