傾斜地におけるトラクタの形態に関する研究(2) : 等高線方向に正置したトラクタの横滑り角

島根大学農学部研究報告 Volume 17 Page 123-128 published_at 1983-12-20
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Title
傾斜地におけるトラクタの形態に関する研究(2) : 等高線方向に正置したトラクタの横滑り角
Title
On the Dimensions of Tractor on the Slope Field(2) : Side Slip Angle of Tractor Keeping the Direction to the Contour Line
Title Transcription
ケイシャチ ニオケル トラクタ ノ ケイタイ ニ カンスル ケンキュウ 2 トウコウセン ホウコウ ニ セイチシタ トラクタ ノ ヨコスベリ カク
Creator
Tanabe Hajime
Nakao Seiji
Source Title
島根大学農学部研究報告
Bulletin of the Faculty of Agriculture, Shimane University
Volume 17
Start Page 123
End Page 128
Journal Identifire
ISSN 0370940X
Descriptions
1. A yaw angle of tractor with no steering angle was calculated from the side slip angle of pneumatic tire, keeping the direction to the contour line of slope field.
2. The relation between side slip angle of driving tire and transformed side force was expressed by means of an exponential curve, where transformed side force meant side force divided by the coefficient of resistance force for side slipping.
3. But in the larger range over the adhesion of rolling tire on the running surface, the tractor could not develope the traction force, because of larger sideway slipping of tire. In the range under the adhesion, the relation stated above was the same to the one of the rolling tire, and was in linear.
4. From this characteristics, the yaw angle, with the same side slip angle of front tire to rear tire, was in larger value with increase of the traction force and inclination angle of the slope jointly, but side slip angle was nearly in the same value for all traction force.
5. For the purpose of running along the contour line, the yaw angle is needed to be equal to the side slip angle. But it does not always exist, but occasionally, only at a certain traction force at each inclination angle respectively.
Language
jpn
Resource Type departmental bulletin paper
Publisher
島根大学農学部
Shimane University, Faculty of Agriculture
Date of Issued 1983-12-20
Access Rights open access
Relation
[NCID] AN00108015