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자료유형
학술저널
저자정보
박현기 (School of Bioresources and Material Engineering, Seoul National University) 김경욱 (School of Bioresources and Material Engineering, Seoul National University) 김재원 (School of Bioresources and Material Engineering, Seoul National University) 송태영 (School of Bioresources and Material Engineering, Seoul National University) 박문섭 (School of Bioresources and Material Engineering, Seoul National University) 조구현 (School of Bioresources and Material Engineering, Seoul National University)
저널정보
한국농업기계학회 바이오시스템공학(구 한국농업기계학회지) 바이오시스템공학 제27권 제3호
발행연도
2002.1
수록면
185 - 194 (10page)

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The objective of this study was to analyze a stability of sideways overturning of a forwarder developed by the Forestry Research Institute. The stability analysis was conducted using a multibody dynamic analysis program. VisualNastran Desktop. A solid model of the forwarder was constructed and its physical properties such as mass, mass center and mass moment of inertia were determined on 3D CAD modeler of the Solid Edge 8.0. 3D simulations of sideways overturning of the forwarder were also performed on the Visual Nastran using the solid model when it traveled across the slope and traversed over an up-hill side obstacle. Stability comparison between a bogie-wheeled and a 6-wheeled forwarders was also made and found that the bogie-wheeled forwarder was more stable than the 6-wheeled one on slopes. The safety speeds of the forwarder predicted by the simulation under various conditions can be used as a guideline for safe operations of forwarders in mountainous area. The technique of using a solid model for the sability analysis can also be applied successfully to other vehicles like agricultural tractors, loaders and construction equipments.

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