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박원엽(W.Y.Park),이규승(K.S.Lee) 한국자동차공학회 1998 한국자동차공학회 춘 추계 학술대회 논문집 Vol.1998 No.11_2
A mathematical model was developed for estimating the mechanical interrelation between characteristics of soil and main design factors of a tracked vehicle, and predicting the tractive performance of the tracked vehicle. Based on the mathematical model, a computer simulation program (TPPMTV98) was developed in the study.<br/> The effectiveness of the developed model was verified by performing the drawbar pull tests with a tracked vehicle reconstructed for test in loam soil with moisture content of 18.92%. The predicted drawbar pulls by the model were well matched to the measured ones. Such results implied that the model developed in the study could estimate the drawbar pulls well at various soil conditions, and would be very useful as a simulation tool for designing a tracked vehicle and predicting its tractive performance.<br/>
[차량운동성능부문] Off-Road 휠형차량의 견인성능 예측 시뮬레이션 프로그램 개발
박원엽(Wonyeop Park),이규승(Kyouseung Lee) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this study, a mathematical model was developed to predict the tractive performance of off-road wheeled vehicles operated on various soil conditions, and based on the mathematical model, the computer simulation, program(TPPMWV) was developed, The model were considered soil characteristics such as the peressure-sinkage and shearing characteristics and the response to repetitive loading as well as main design parameters of wheeled vehicle, including radius and width of front and rear tire, weight of vehicle, wheelbase and two different driving types(4WD. 2WD). The effectiveness of the developed model was experimentally verified by comparing the predicted draw bar pulls using TPPMWV with measured ones obtained by field tests for two different driving types of wheeled vehicle.
뇌성마비 아동의 손 기능 향상과 치료흥미 유발을 위한 데이터 글러브 및 RC기반 무인자동차 개발
박원엽(W. Y. Park),박호열(H. Y. Park),김정채(J. C. Kim),유선국(S. K. Yoo) 한국재활복지공학회 2011 한국재활복지공학회 학술대회논문집 Vol.2011 No.11
About 50% of the cerebral palsy children patients feel difficulty when they use their hand. There is spatial inconvenience because the patients should visit hospital for rehabilitation training and difficulty of motivation for patients. Recently, due to the development of IT technology and ubiquitous healthcare, various methods that patients feel the fun by convergence of the rehabilitation training and IT contents are shown. In this paper, we propose a data glove and Re -based unmanned vehicle for improvement of the athletic ability of the hand and interest of rehabilitation for cerebral palsy children patients. The unmanned vehicle is controlled by data which is measured the movement of the finger from data glove. Additionally sensor data is visualized on GUI. The children patients that have cerebral palsy can rehabilitate easily and enjoyably in the house using this system.
전기동력원 농업용 고소작업차의 마스트 및 붐 시스템 설계 및 제작에 대한 연구
박원엽 ( Won-yeop Park ),장영윤 ( Young-yoon Chang ),정진형 ( Jin-hyoung Jeong ),이상식 ( Sang-sik Lee ) 한국농업기계학회 2022 한국농업기계학회 학술발표논문집 Vol.27 No.1
농업인 인구의 감소 및 고령화 등의 문제로 인해 고소작업에 불편을 느끼는 농가들의 불편을 해소하기 위해 저수고 농업환경 조성, 자동수확기기 개발, 농업용 고소작업차 개발 등의 연구가 진행되고 있다. 본 논문은 경사지에서도 운행이 자유로우며 안전한 고소작업이 가능하며 전기동력으로 운영이 가능한 농업용 고소작업차 개발에 관한 연구로서, 수고가 높은 과수, 조경 및 고소 나무에서 작업을 위한 5.5M 상승 7M 이상의 작업공간을 확보할 수 있는 마스트 및 붐 시스템을 적용한 다목적 직립형 고소작업차의 설계 및 제작에 대한 내용이다.
박원엽(Park, Won-Yeop),홍성하(Hong, Sung-Ha),이재민(Lee, Jae Min),이상식(Lee, Sang-Sik) 한국정보전자통신기술학회 2015 한국정보전자통신기술학회논문지 Vol.8 No.3
본 연구는 이러한 경사 토지와 경사진 도로 측면 등 다양한 영역에서 작동하는 캔을 구현 잡초의 전자 제어 시스템을 개발 하였다. 잡초 구현은 다섯 가지 주요 부분으로 구성 전자 제어 시스템, 유압 시스템, 메인 프레임, 붐 및 팔을 이용하는 기계와 회전형 제초기. 그리고 잡초는 전자 제어 시스템의 사용을 고려 트랙터의 3 점 히치 의해 부착될 수 있도록 개발되었다 구현한다. 그 결과, 전자 제어 시험 제초 구현 경사 땅 트랙터에 장착하여 실시했다. 전자 제어 시스템의 테스트 결과가 만족 제초 성능을 보여 주었다. This study was conducted to develop electronic control system of weeding implement that can operated at various areas such as slope land and inclined road side. The weeding implement consists of five main parts; the electronic control system, the hydraulic system, the main frame, the boom and arm mechanism, and the rotary type weeder. And the weeding implement was developed to be attached by three-point hitch of tractor considering the use of electronic control system. As a result, the electronic control test was conducted with the weeding implement attached to tractor in slope land. The results of the electronic control system test showed satisfactory weeding performance.