Korean Journal of Agricultural Science (농업과학연구)

Institute of Agricultural Science, CNU (충남대학교 농업과학연구소)
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Ergonomic and performance analysis of rail-type boom sprayer for agro-photovoltaic power system

  • Rack-Woo, Kim (Department of Smartfarm Engineering, Kongju National University) ;
  • Jae-Woong, Han (Department of Smartfarm Engineering, Kongju National University) ;
  • Woong, Kim (Department of Smartfarm Engineering, Kongju National University)
  • Received : 2022.02.07
  • Accepted : 2022.02.28
  • Published : 2022.03.01
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Abstract

This study was conducted to develop a rail-type boom sprayer, performing safe spraying with improved ergonomic postures during pesticide spraying of agro-photovoltaic power system. The sprayer was designed to reduce labor cost and to be safe from pesticide exposure, and was analyzed through a comparison with a conventional spray method. The rail-type boom sprayer, consisted of a self-propelled spray and hose winder, hose, and boom sprayer parts, was designed to automatically pull and spray in the vertical and horizontal directions. The performance of the sprayer for an agro-photovoltaic power system was appropriate. From the analysis of postures with the Ovako Working posture Analysis System (OWAS), Rapid Entire Body Assessment (REBA), and Rapid Upper Limb Assessment (RULA) methods, the musculoskeletal risk factors to the body using the rail-type boom sprayer were less than those with the conventional power sprayer. In addition, the possibility of pesticide poisoning was reduced compared to the conventional power sprayer. The working capacity with the rail-type boom sprayer was more than five times greater, compared with the conventional power sprayer. After performing pesticide spraying with the rail-type boom sprayer, the labor cost was reduced to 42,750 won·yr-1, which was 90% (402,750 won·yr-1) less than the cost with the use of a conventional power sprayer (445,500 won·yr-1).

Keywords

Acknowledgement

This work was supported by the research grant of the Kongju National University in 2021.

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