• Title/Summary/Keyword: Tillage

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Development of a Minimum Tillage Rice Transplanter (부분경운이앙기 개발)

  • 강태경;이채식;김충길;최덕규;한희석;조성찬
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 2003.02a
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    • pp.238-243
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    • 2003

  • 쌀은 전 세계에서 매년 약 4억 톤이 생산되어 세계인구의 약 45%에게 주식으로 제공되고 있다. 우리나라에서는 쌀 농사가 농업소득의 약 44%를 차지하는 농가의 주 소득원으로 경제적 비중이 크다. 또한 WTO 개방경제 체제에서는 쌀 생산농가가 생존하기 위해서는 생산비 절감을 통한 가격경쟁력 제고와 품질향상을 통한 소비자 선호도 확보가 가장 중요한 과제이다. 지금까지 우리나라의 벼농사는 생산비 절감이나 품질향상보다는 수량증대에 치중하여 쌀 산업의 국제경쟁력은 매우 취약한 실정이다. (중략)

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Development of working path formation and performance appraisingtechnology for tractor unmanned tillage (1) - Analysis of operation pattern using DGPS in tractor tilling operation - (트랙터의 무인경운을 위한 작업경로 생성과 성능평가 기술개발(1) - DGPS를 이용한 트랙터 경운작업시 운전패턴조사 -)

  • Lee, Yeong-Kyu;Kim, Chan-Su;Seo, Il-Hwan;Oh, Jong-Jin;Cho, Seong-Chan;Na, Woo-Jeong;Kim, Ki-Dae
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • v.11 no.1
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    • pp.82-87
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    • 2006

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Microcomputer FEM Analysis of Soil Cutting Process

  • Shen, J.;Kushwaha, R.L.
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.1063-1072
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    • 1993

  • Current finite element analysis programs for soil cutting process with tillage tools require mainframe computers. Several special treatments in developing a microcomputer FEM program were introduced to increase the capacity for solving large problems and reducing the total time cost. The program was evaluated by solving one 3-D example on a 489 microcomputer. The results showed a close agreement with the laboratory soil bin test.

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Evaluation and Modification on the New Concept Plow

  • Shoji, Koichi;Namikawa, Kiyosi;Umeda, Mikio
    • Proceedings of the Korean Society for Agricultural Machinery Conference
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    • 1993.10a
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    • pp.1026-1035
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    • 1993

  • Further evaluation and modification were done on the new concepts plow (frontal plow), a plow which inverts the soil furrow without lateral displacement . First, kinematics of soil cutting section was analyzed and an experiment was conducted to report draft and power requirement. Second, function of main moldboards was examined and modification was made. As a result of the modification , force applied to the moldboard was reduced, but the furrow inversion became less stable.

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