Investigations of the Dynamics of a Four-Element Machine-and-Tractor Aggregate-Reference-Cited by-同舟云学术

Investigations of the Dynamics of a Four-Element Machine-and-Tractor Aggregate

Published:2019-11-12 Issue:4 Volume:22 Page:146-151
ISSN:1338-5267
Container-title:Acta Technologica Agriculturae
language:en
Short-container-title:

Author:

Bulgakov Volodymyr¹,Ivanovs Semjons²,Adamchuk Valerii³,Antoshchenkov Roman⁴

Affiliation:

1. National University of Life and Environmental Sciences of Ukraine , Kiev , Ukraine

2. Latvia University of Life Sciences and Technologies , Jelgava , Latvia

3. Institute for Agricultural Engineering and Electrification , Hlevakha , Ukraine

4. Kharkiv Petro Vasylenko National Technical University of Agriculture , Ukraine

Abstract

Abstract The paper presents a dynamic model of four-element machine-and-tractor designed on the basis of a combined soil-cultivating-sowing aggregate and a tractor with an articulated frame. The pseudo velocity of the first tractor half-frame was considered a generalised coordinate. The control impact upon the tractor was obtained by means of the bending angle of the tractor half-frames. The trajectories and movement speeds of the aggregate elements were calculated as a function of time for the driving mode along a straight-line path and the tractor movement according to the harmonic control law. By means of the measuring system, trajectories of the aggregate elements were obtained. It was established that the movement trajectories of the aggregate elements represent a complex assessment parameter of the mathematical model adequacy of the aggregate plane-parallel movement. There was found a regularity of the aggregate turning radius and the bending angle of the tractor half-frames.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Waste Management and Disposal,Agronomy and Crop Science

Link

https://www.sciendo.com/pdf/10.2478/ata-2019-0026

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