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＜departmental bulletin paper＞
Modification of a Tractor Dynamic Model Considering the Rotatable Front End

Creator
Creator Name
Li, Zhen
Affiliation
Affiliation Name
Laboratory of Bioproduction Engineering, Division of Bioproduction Environmental Sciences, Department of Agro–environmental Sciences, Graduate School of Bioresource and Bioenviron–mental Sciences, Kyushu University
Creator Name
Mitsuoka, Muneshi
光岡, 宗司
ミツオカ, ムネシ
Affiliation
Affiliation Name
Laboratory of Bioproduction Engineering, Division of Bioproduction Environmental Sciences, Department of Agro–environmental Sciences, Faculty of Agriculture, Kyushu University : Assistant Professor
九州大学大学院農学研究院環境農学部門 : 助教
Creator Name
Inoue, Eiji
井上, 英二
イノウエ, エイジ
Affiliation
Affiliation Name
Laboratory of Bioproduction Engineering, Division of Bioproduction Environmental Sciences, Department of Agro–environmental Sciences, Faculty of Agriculture, Kyushu University : Professor
九州大学大学院農学研究院環境農学部門生産環境科学 : 教授
Creator Name
Okayasu, Takashi
岡安, 崇史
オカヤス, タカシ
Affiliation
Affiliation Name
Laboratory of Bioproduction Engineering, Division of Bioproduction Environmental Sciences, Department of Agro–environmental Sciences, Faculty of Agriculture, Kyushu University : Associate Professor
九州大学大学院農学研究院環境農学部門生産環境科学 : 准教授
Creator Name
Hirai, Yasumaru
平井, 康丸
ヒライ, ヤスマル
Affiliation
Affiliation Name
Laboratory of Bioproduction Engineering, Division of Bioproduction Environmental Sciences, Department of Agro–environmental Sciences, Faculty of Agriculture, Kyushu University : Associate Professor
九州大学大学院農学研究院環境農学部門生産環境科学 : 准教授
Creator Name
Zhu, Zhongxiang
Affiliation
Affiliation Name
College of Engineering, China Agricultural University
Language
English
Publisher
Faculty of Agriculture, Kyushu University
九州大学大学院農学研究院
Date
2015-02-27
Source Title
Journal of the Faculty of Agriculture, Kyushu University
Vol
60
Issue
1
First Page
219
Last Page
224
Publication Type
Version of Record
Access Rights
open access
Crossref DOI
https://doi.org/10.5109/1526315
Related DOI
http://www.agr.kyushu-u.ac.jp/
Related URI
http://www.agr.kyushu-u.ac.jp/
Relation
http://www.agr.kyushu-u.ac.jp/

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Details

PISSN
0023-6152
NCID
AA00697606
Record ID
1526315
Peer-Reviewed
Unrefereed
Subject Terms
Tractor Overturn
Dynamic Response
Rotatable Front End
ISSN
0023-6152
NCID
AA00697606
Notes
A mathematical model for tractor dynamics was expanded by considering the rotatable tractor front end. The fundamental shortcoming of the simplified model was revealed by the loss of contact of the tire with a rigid horizontal surface in an obstacle–passing case. Further shortcom–ings of the simplified model arise from aspects of the motion and vibration characteristics. The improved model provides a better and more realistic representation of the tire–ground contact condition and is applicable to tractors on lateral slopes. The independent roll motions of the two main tractor parts (the front end and main body) significantly reduce the motions of the tractor and thus increase its stability. Furthermore, the effects of the forward tractor speed and obstacle height were studied for a tractor on a 10° lateral slope. By analyzing the motion amplitude and tire–ground contact condition, the tractor speed and obstacle height parameters associated with danger and risk were evaluated. The results suggest the greater capability of the improved model to predict tractor dynamic response in Phase I overturn.
Created Date 2015.10.13
Modified Date 2022.11.11

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