Determining conditions for providing maximum traction efficiency of tractor as part of a soil tillage unit

Q3 Mathematics

Eastern-European Journal of Enterprise Technologies Pub Date : 2024-02-28 DOI:10.15587/1729-4061.2024.297902

A. Lebedev, Mykhailo Shuliak, S. Lebedev, S. Khalin, Tetiana Haidai, A. Kholodov, Viacheslav Pirogov, Vitalii Shaposhnyk

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引用次数: 0

Abstract

This study aims to investigate the operation of a tractor as part of the tillage unit on the basis of analysis of its interaction with the supporting surface and the correlation between the mass of the tractor and tool. The classic approach to determining the efficiency factor does not take into account the extensive system of power take-off shafts and the extent of their use in combined tillage units. To solve the related problem, a mathematical apparatus was built in the study, which makes it possible to determine the rational ratio between the traction force of a tractor and the mass of the tillage unit. Underlying the methodological basis of the work is the generalization and analysis of the study of traction indicators of the tractor as part of the tillage unit. Empirical models of unit operation were constructed by employing the basic principles of the system approach and analysis of technical systems. When improving the methodology of research using the method of partial accelerations and our devised procedures, it was possible to significantly reduce the time without compromising the quality of results. The maximum traction efficiency for John Deere 8R series tractors as part of the tillage unit was determined, ηTmax=0.719, as well as the conditions for its provision. The traction efficiency for tractors with wheel formula 4K2, mass Gim=6–10 t, with power consumption from 60 % to 80 % was determined; it is 0.58–0.64. The results of the study make it possible to obtain a new solution to the scientific problem of ensuring the maximum traction efficiency of the tractor as part of the tillage unit, based on the rational ratio between the traction force of the tractor and the weight of the machine-tractor unit. The proposed system approach could be used to justify the layout of units and recommendations regarding their modes of operation in the case of instability of operating mass and traction force

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确定作为土壤耕作机具一部分的拖拉机实现最大牵引效率的条件

本研究旨在通过分析拖拉机与支撑面的相互作用以及拖拉机和工具质量之间的相互关系，研究作为耕作装置一部分的拖拉机的运行情况。确定效率系数的经典方法没有考虑到动力输出轴的广泛系统及其在联合耕作机具中的使用程度。为了解决相关问题，在研究中建立了一个数学装置，从而可以确定拖拉机牵引力与耕作机具质量之间的合理比率。这项工作的方法论基础是对作为耕作机具一部分的拖拉机牵引指标研究的归纳和分析。通过采用系统方法和技术系统分析的基本原则，构建了机组运行的经验模型。在使用部分加速法和我们设计的程序改进研究方法时，可以在不影响结果质量的情况下大大缩短时间。我们确定了约翰迪尔 8R 系列拖拉机作为耕作装置一部分的最大牵引效率 ηTmax=0.719，并确定了提供该效率的条件。轮式为 4K2、质量为 Gim=6-10 t、功率消耗为 60% 至 80% 的拖拉机的牵引效率为 0.58-0.64。研究结果为确保拖拉机作为耕作单元的一部分具有最大牵引效率这一科学问题提供了新的解决方案，其基础是拖拉机牵引力与机器-拖拉机单元重量之间的合理比率。所提出的系统方法可用于在操作质量和牵引力不稳定的情况下，对机组的布局和运行模式提出合理化建议。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Eastern-European Journal of Enterprise Technologies Mathematics-Applied Mathematics

CiteScore

2.00

自引率

0.00%

发文量

369

审稿时长

6 weeks

期刊介绍： Terminology used in the title of the "East European Journal of Enterprise Technologies" - "enterprise technologies" should be read as "industrial technologies". "Eastern-European Journal of Enterprise Technologies" publishes all those best ideas from the science, which can be introduced in the industry. Since, obtaining the high-quality, competitive industrial products is based on introducing high technologies from various independent spheres of scientific researches, but united by a common end result - a finished high-technology product. Among these scientific spheres, there are engineering, power engineering and energy saving, technologies of inorganic and organic substances and materials science, information technologies and control systems. Publishing scientific papers in these directions are the main development "vectors" of the "Eastern-European Journal of Enterprise Technologies". Since, these are those directions of scientific researches, the results of which can be directly used in modern industrial production: space and aircraft industry, instrument-making industry, mechanical engineering, power engineering, chemical industry and metallurgy.