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Multi-body dynamics modeling and driving performance evaluation of oil recovery vehicle

Authors
Kim, J.-T.Im, D.Choi, H.-J.Oh, J.-W.Seo, J.Park, Y.-J.
Issue Date
3월-2023
Publisher
SAGE Publications Ltd
Keywords
coastal terrain; driving performance; multi-body dynamics; terramechanics; tracked vehicle
Citation
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics, v.237, no.1, pp 74 - 85
Pages
12
Journal Title
Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics
Volume
237
Number
1
Start Page
74
End Page
85
URI
https://www.kriso.re.kr/sciwatch/handle/2021.sw.kriso/9429
DOI
10.1177/14644193221134161
ISSN
1464-4193
2041-3068
Abstract
In this study, the design and driving performance evaluation of a driving system for driving on deformable terrain was performed using terramechanics theory and multi-body dynamics simulation. For the design of the driving system, the mechanical interaction of track-terrain was analyzed using a Bekker-based model. Based on the analyzed results, the design of a track suitable for the deformable terrain to be driven and selection of a power source (engine, transmission, etc.) were carried out. A multi-body simulation model of the tracked vehicle reflecting the designed track and the selected power source was developed, and a ground model reflecting the mechanical property of terrain was also developed to analyze the mechanical interaction of the track-terrain through simulation. In addition, each link constituting the track was modeled as a 6 DOF spring/damper system to consider the track's tension force and load distribution under the track, and through this, different ground pressure and soil thrust were applied according to the motion state of each link. Finally, driving performance analyses were performed using the developed tracked vehicle, and as a result, it was confirmed that the driving requirements of the tracked vehicle were satisfied. ? IMechE 2022.
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Choi, Hyuek Jin
해양공공디지털연구본부 (해사안전·환경연구센터)
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