드라이브 ㆍ 컨트롤 (Journal of Drive and Control)

  • 제17권4호
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  • Pages.133-140
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  • 2020
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  • 2671-7972(pISSN)
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  • 2671-7980(eISSN)
유공압건설기계학회 (The Korean Society for Fluid Power and Construction Equipment)
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토양 조건에 따른 농업용 트랙터의 견인 성능 분석

Analysis of Traction Performance for Agricultural Tractor According to Soil Condition

  • Lee, Nam Gyu (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Kim, Yong Joo (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Baek, Seung Min (Department of Smart Agriculture System, Chungnam National University) ;
  • Moon, Seok Pyo (Department of Biosystems Machinery Engineering, Chungnam National University) ;
  • Park, Seong Un (Reliability Test Team, TYM ICT Co. Ltd.) ;
  • Choi, Young Soo (Department of Rural and Biosystems Engineering, Chonnam National University) ;
  • Choi, Chang Hyun (Dept. of Mio-Mechatronics Engineering, Sungkyunkwan University)
  • 투고 : 2020.11.02
  • 심사 : 2020.11.23
  • 발행 : 2020.12.01
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초록

Traction performance of a tractor varies depending on soil conditions. Sinkage and slip of the driving wheel for tractor frequently occur in a reclaimed land. The objective of this study was to develop a tractor suitable for a reclaimed land. Traction performance was evaluated according to soil conditions of reclaimed land and paddy field. Field experiments were conducted at two test sites (Fields A: paddy field; and Field B: reclaimed land). The tractor load measurement system was composed of an axle rotation speed sensor, a torque meter, a six-component load cell, GPS, and a DAQ (Data Acquisition System). Soil properties including soil texture, water content, cone index, and electrical conductivity (EC) were measured. Referring to previous researches, the tractor traveling speed was set to B3 (7.05 km/h), which was frequently used in ridge plow tillage. Soil moisture contents were 33.2% and 48.6% in fields A and B, respectively. Cone index was 2.1 times higher in field A than in field B. When working in the reclaimed land, slip ratios were about 10.5% and 33.1% for fields A and B, respectively. The engine load was used almost 100% of all tractors under the two field conditions. Traction powers were 31.9 kW and 24.2 kW for fields A and B, respectively. Tractive efficiencies were 83.3% and 54.4% for fields A and B, respectively. As soil moisture increased by 16.4%, the tractive efficiency was lowered by about 28.9%. Traction performance of tractor was significantly different according to soil conditions of fields A and B. Therefore, it is necessary to improve the traction performance of tractor for smooth operations in all soil conditions including a reclaimed land by reflecting data of this study.

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참고문헌

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