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A Study on Gutter with Different Design Configurations by Using ANSYS
옥소쿤티아릇(Sokunthearith Ouk),김진수(Jinsoo Kim),임수홍(Suhong Lim) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
A Gutter in a roofwater harvesting system, has the purpose of intercepting the roof run-off and conveying it to a downpipe. Reasonable values of design load such as water flow section system and some extra load over the gutter are applied. It is concluded that the new gutter systems are consistently safe and strong enough to resist an unexpected load. A good gutter design must satisfy many criteria, including durability, cheapness and ease of fixing. In this study, we approach to design the new gutter configuration that are much lightest that maximize the ratio of water benefit to system cost. In this process, ANSYS, ADAMS/ Durability and CATIA are improved the precision of the system simulation.
Study on Constraint Jacobians of Multi-Link Manipulator for Fire Demolition Vehicle
Sokunthearith Ouk(옥소쿤티아릇),Jin-Soo Kim(김진수),Su-Hong Lim(임수홍),Ji-Yoon Lee(이지윤) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
This paper presents ADAMS is analysed by computing impulsive force method on the dynamic system to survey a desired force and motion trajectory. It encapsulates some functions into Mathematica package allowing efficient symbolic and numeric calculation of constraint Jacobian equation for a constrained of multi-link manipulator demolition vehicle. We derive a model for a unilaterally constrained manipulator, based on mathematical method. Assumptions about the fire demolition vehicle and the constraint and impact issue of the model are discussed in the subsequent sections. Simulation results show that the trajectory tracking of force and constraint Jacobian are converged with good accuracy.
파괴방수차 노즐 형상에 따른 다관절 붐의 충돌에 관한 연구
김진수,소수현,임수홍,옥소쿤티아릇 한국기계기술학회 2014 한국기계기술학회지 Vol.16 No.1
In this paper, a commercial multibody dynamics program ADAMS was utilized to investigate the model for the multi-joint boom conflicts. In this process, CATIA, ANSYS and ADAMS were used to develop the simulation. The addition of ADAMS made the system more accurate and improved precision of the system. In brief, the 3D CAD model of the structure was initially developed via CATIA. After this, the CATIA models were exported to ANSYS for creating flexible-body modeling by using formatted file. Subsequently, with ADAMS, the flexible body model was directly imported from ANSYS which performed the analyses of the dynamic collision of the nozzle boom conflicts. This contained the information regarding geometry and model shapes of the flexible body. Using ADAMS/Durability, it was possible to determine the strain energy for the nozzle configuration by crashing the contact structure that was created. Via this procedure, the acquired simulation analysis of nozzle showed interestingly good results with respect to the objectives of the study
Kinematics of Demolition Fire Vehicle with Spatial Multi-link Boom
김진수,옥소쿤티아릇,임수홍 한국기계기술학회 2015 한국기계기술학회지 Vol.17 No.2
In this research, the forward and inverse kinematics equations for demolition fire vehicle with 6-DOF were developed. This was done through the development of an interface that allows co-simulation using MATHEMATICA and ADAMS. The implementation of this project was done entirely in MATHEMATICA by calculating the kinematics equations to demonstrate the usefulness of this product. The forward and inverse kinematics of the demolition fire vehicle represents the position and orientation of the end-effector as any desired location. This research was particularly conducted using the simulator, and it showed good approximation results in terms of solving a reaching task problem.
임수홍(Su-Hong Lim),김진수(Jin-Soo Kim),옥소쿤티아릇(Sokunthearith Ouk) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
본 논문에서는 파괴방수차의 다관절 붐의 기구학 해석을 수행한다. 순 기구학 해석은 다관절 붐의 각 관절각도를 입력할 때 노즐 선단의 위치를 구하고, 역 기구학 해석을 통해 노즐 선단의 위치를 입력하 여 각 관절 각도를 도출한다. 기구학 해석의 타당성을 검증하기 위해 ADAMS를 이용하여 해석을 수 행하였다.론
임수홍(Su-Hong Lim),김진수(Jin-Soo Kim),옥소쿤티아릇(Sokunthearith Ouk),유기훈(Ki-Hoon You) 한국산학기술학회 2014 한국산학기술학회 학술대회 Vol.- No.-
본 논문에서는 파괴방수차 다관절 붐의 운동학 해석을 수행한다. 운동학 해석에는 순운동학 해석과 역 운동학 해석이 있다. 순운동학 해석은 관절 각도 이용하여 노즐 선단의 위치와 자세를 알아보는 방법이며, 역운동학 해석은 목표값의 선단의 위치와 자세를 실현시키기 위해서 관절 각도를 도출하는 방법이다. 순운동학 해석 방법과 역 운동학 해석방법을 파괴방수차 다관절 붐에 적용하여 다관절 붐의 운동학 해석을 수행하고, 순운동학 해석과 역운동학 해석의 타당성을 검증하기 위해 ADAMS와 Mathematica를 이용하여 해석을 수행한다.