Journal of Advanced Marine Engineering and Technology

  • 제41권3호
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  • Pages.258-268
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  • 2017
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  • 2234-7925(pISSN)
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  • 2234-8352(eISSN)
한국마린엔지니어링학회 (The Korean Society of Marine Engineering)
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선박용 로딩암에 적용할 수 있는 융합해석기술에 관한 연구

Convergence analysis technology for ship loading arm

  • Lee, Dae-Hee (Department of Mechanical Engineering, Gachon University) ;
  • Noh, Dae-Kyung (Department of Mechanical Engineering, Gachon University) ;
  • Lee, Geun-Ho (Department of Mechanical Engineering, Gachon University) ;
  • Park, Sung-Su (Department of Mechanical Engineering, Gachon University) ;
  • Jang, Joo-Sup (Department of Mechanical Engineering, Gachon University)
  • 투고 : 2016.12.16
  • 심사 : 2017.03.23
  • 발행 : 2017.03.31
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초록

본 논문에서는 하나의 해석 소프트웨어(SimulationX)로 로딩암의 유압회로 해석기술과 다물체 동역학 해석기술을 융합시키는 것을 목표로 한다. 움직이는 질량의 회전중심에 변화가 있거나, 중력장에서의 거동을 구현하기 어려운 기존의 유압회로해석기술의 한계성을 극복하고자 하는 연구이다. 연구를 진행하는 순서는 다음과 같다. 먼저 유압회로를 구성하는 부품들의 제원을 해석모델에 반영하여 신뢰성을 확보한다. 신뢰성이 검증된 단품해석모델을 이용하여 유압회로를 모델링하고, 로딩암의 MBS(Multi Body System)모델을 구성한다. 그 후에 유압회로의 해석모델과 MBS모델을 융합하여 회로의 해석결과가 MBS모델에 정확히 반영되는지 확인한다. 이러한 융합해석모델은 시제품이 없어도 대상의 동적거동을 예측 할 수 있으므로 개발비를 절감하는 효과를 가져다준다.

In this study, we aim to converge a technology for analyzing the hydraulic circuit of a loading arm with an- other one for analyzing multi-body dynamics by utilizing analysis software SimulationX. Further, this study intends to overcome the limitations of the existing technology for analyzing a hydraulic circuit with a variation at the rotation center of the moving mass and the difficulty of incorporating the behavior in a gravity field. First, the specifications of the hydraulic circuit components were reflected in an analysis model to secure reliability. Hydraulic circuit modeling was then performed using a single analysis model with a verified reliability. Subsequently, the multi-body system (MBS) model of the loading arm was formed. Finally, the analysis model of the hydraulic circuit and the MBS model were converged to check if the circuit analysis result was exactly reflected in the MBS model. The convergence analysis model has development cost-saving effect because it is capable of predicting the dynamic behavior of an object without the prototype.

키워드

참고문헌

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피인용 문헌

  1. Integrated Simulation for Intelligent Hydro-Pneumatic Automation System and Dynamic Stiffness Evaluation of Small Cranes vol.22, pp.5, 2018, https://doi.org/10.9726/kspse.2018.22.5.069