建立了淤泥质粘土中犁铧牵伸力的数学模型

IF 2.4 3区 工程技术 Q3 ENGINEERING, ENVIRONMENTAL Journal of Terramechanics Pub Date : 2023-04-01 DOI:10.1016/j.jterra.2022.11.004
Thomas Gebre , Zewdu Abdi , Amana Wako , Teshome Yitbarek
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引用次数: 1

摘要

由于埃塞俄比亚的人口不断增加,对征兵力的预测对提高小农农田的耕作性能有几个关键作用。它有助于正确使用畜禽饲料;最大限度地减少操作员的悲剧,并为犁设计人员提供完整的输入数据。本研究旨在通过选择适当的土壤特性、工具几何形状和耕作操作条件来建立有效的数学模型,以估计犁的牵引力。利用量纲分析建立了PI-Buckingham-pi定理的数学方程。采用IBM SPSS统计软件对模型进行验证和验证。牵引力实测值与预测值的相关系数R2为0.877。所建立的模型预测犁耕牵伸力的成功率可达87.70%。实测值与预测值在0.05显著水平上无显著差异。实测牵引力和预期牵引力的评分标准为正态分布,置信度为99%。调查结果表明,建立的估算粉土中犁耕牵引力的数学公式是有效的。
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Development of a mathematical model for determining the draft force of ard plow in silt clay soil
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来源期刊
Journal of Terramechanics
Journal of Terramechanics 工程技术-工程:环境
CiteScore
5.90
自引率
8.30%
发文量
33
审稿时长
15.3 weeks
期刊介绍: The Journal of Terramechanics is primarily devoted to scientific articles concerned with research, design, and equipment utilization in the field of terramechanics. The Journal of Terramechanics is the leading international journal serving the multidisciplinary global off-road vehicle and soil working machinery industries, and related user community, governmental agencies and universities. The Journal of Terramechanics provides a forum for those involved in research, development, design, innovation, testing, application and utilization of off-road vehicles and soil working machinery, and their sub-systems and components. The Journal presents a cross-section of technical papers, reviews, comments and discussions, and serves as a medium for recording recent progress in the field.
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