Minimization of power losses by traction-transportation vehicles at motion over a bearing surface that undergoes deformation

Authors

DOI:

https://doi.org/10.15587/1729-4061.2019.156721

Keywords:

traction-transportation vehicles, running system, power losses, snow cover

Abstract

The paper reports the construction of a method aimed at minimizing power losses by traction-transportation vehicles at motion over a bearing surface resulting in the formation of ruts. The purpose of this study is to improve a traction efficiency coefficient for the off-road traction-transportation vehicles by determining and minimizing power losses related to forming a rut over a bearing surface under the action of a vehicle’s running gear. Improving the traction-transportation vehicles efficiency coefficient, which is 55÷65 %, is a priority in the development of agricultural mechanization. Part of the losses that are associated with the structure of a vehicle is almost not controlled in the process of operation. However, those substantial losses in running systems that reach 20 % can be managed. Control over them implies adjusting the settings of running systems in the traction-transportation vehicles to the condition of a bearing surface. Specifically, in the course of the study we analyzed the magnitudes of power required to displace elements in the system «a vehicle’s frame ‒ suspension ‒ running system ‒ deformed bearing surface» based on determining the force and kinematic factors.

Based on direct measurements, we determine power losses when running systems form a rut over a bearing surface and when the running system’s elements are displaced. It has been proposed to determine the power spent to form a rut by multiplying the share of gravity force related to the respective engine by the destruction rate of the bearing surface. Based on the derived results and an analysis of experimental data, we concluded that the proposed procedure for determining the power losses related to the formation of a rut by traction-transportation vehicles on a bearing surface makes it possible to substantiate the choice of parameters for running systems in order to improve the traction efficiency coefficient

Author Biographies

Oleksandr Mozhaiv, National University of Internal Affairs L. Landau ave., 27, Kharkiv, Ukraine, 61080

Doctor of Technical Sciences, Professor

Department of Information Technologies

Heorhii Kuchuk, National Technical University «Kharkiv Polytechnic Institute» Kyrpychova str., 2, Kharkіv, Ukraine, 61002

Doctor of Technical Sciences, Professor

Department of Computer Science and Programming

Dmytro Shvets, National University of Internal Affairs L. Landau ave., 27, Kharkiv, Ukraine, 61080

PhD, Associate Professor, First Vice-Rector

Viktor Tretiak, National scientific centre «Institute for agriculture and electrification» of National Academy of Agrarian Sciences of Ukraine Vokzalna str., 11, Hlavakha, Vasylkivskyi distr., Kyiv reg., Ukraine, 08631

PhD, Associate Professor, Head of Department

Department of Mobile Energy Means and Bioenergy

Mykhailo Tretiak, Hon. Prof. M. S. Bokarius Kharkiv Research Institute of Forensic Examinations Zolochevskaya str., 8a, Kharkіv, Ukraine, 61177

PhD

Laboratory of Criminalistic Research

Vasyl Ostropilets, Hon. Prof. M. S. Bokarius Kharkiv Research Institute of Forensic Examinations Zolochevskaya str., 8a, Kharkіv, Ukraine, 61177

PhD, Head of Laboratory

Laboratory of Criminalistic Research

Viacheslav Markov, National University of Internal Affairs L. Landau ave., 27, Kharkiv, Ukraine, 61080

PhD, Senior Researcher, Dean

Mykhailo Mozhaiev, Hon. Prof. M. S. Bokarius Kharkiv Research Institute of Forensic Examinations Zolochevskaya str., 8a, Kharkіv, Ukraine, 61177

PhD, Head of Laboratory

Laboratory of Speech and Audio Computer Engineering and Telecommunication

Tetiana Kolisnyk, National University of Internal Affairs L. Landau ave., 27, Kharkiv, Ukraine, 61080

PhD, Associate Professor

Department of Information Technologies

Artem Nechayusov, National Aerospace University Kharkiv Aviation Institute Chkalova str., 17, Kharkіv, Ukraine, 61070

PhD

Department of Geoinformation Technologies and Space Monitoring of the Earth

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Published

2019-02-15

How to Cite

Mozhaiv, O., Kuchuk, H., Shvets, D., Tretiak, V., Tretiak, M., Ostropilets, V., Markov, V., Mozhaiev, M., Kolisnyk, T., & Nechayusov, A. (2019). Minimization of power losses by traction-transportation vehicles at motion over a bearing surface that undergoes deformation. Eastern-European Journal of Enterprise Technologies, 1(1), 69–74. https://doi.org/10.15587/1729-4061.2019.156721

Issue

Section

Engineering technological systems