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진공 시스템을 위한 수유분 미스트 포집 시뮬레이터 개발에 관한 연구
오지우(J. W. Oh),김태운(T. W. Kim),웬치탄(C. T. Nguyen),김용석(Y. S. Kim),양순용 유공압건설기계학회 2015 유공압건설기계학회 학술대회논문집 Vol.2015 No.6
A process of producing the Heavy and the secondary battery to the vacuum force to remove the water, and vacuum dried to remove residual solvent (chemical resin) (dried) and process gas (Solvent) occurring in each step of the vacuum generated by the heating degassing process, and the like, vacuum drying process and vacuum degassing process has been used in this way is essentially a vacuum pump. The process is applied to the vacuum pump is generated in the production water or an oil, gas or the like can be mixed, because of the oil mist in the vacuum pump in response to the vacuum oil cakes such as upset is fixed in a short time the pump is used is causing problems with the operation suffer from the problems such as the maintenance to cause corrosion as well as a pump device, and the exhaust. In this study, the development of a heavy electric equipment and a secondary battery and for mist removal system according to the proposal of the custom property that the mist generated in the various production processes, the oil can, a simulator to test the release properties of the mist.
방사형차트를 이용한 국가 에너지 및 전력 생산원의 사회적 영향 종합평가
김태운(T.W. Kim),김성호(S. Ho Kim),문기환(K.-H. Moon),하재주(J.J. Ha),김홍채(H.C. Kim),장순홍(S.H. Chang) 한국에너지학회 2004 한국에너지공학회 학술발표회 Vol.2004 No.-
국가의 다양한 전력생산시스템(원자력, 석탄, 중유, LNG, 수력 발전원 등)에 대한 사회적 영향을 종합적으로 비교하기 위하여 고려된 평가항목으로서 산업적 경제성, 개인적 보건영향(리스크), 환경영향 및 국가차원의 기여도 등이 선택되었다. 각 평가항목은 특히 발전단가, 추정사망자수, 이산화탄소 배출량, 연료수급 안정성 등에 의하여 대표되었다. 이러한 다기준 의사결정 문제의 평가방법을 개발하기 위한 예비적 연구단계로서 방사형 차트를 이용한 표현방법을 도입하였다. 이 연구에서는 이러한 사회적 영향 다이어그램을 이용하여 각 발전원의 사회적 영향의 다른 점을 쉽게 가시화할 수 있었다. 이 연구결과에 기초하여 정성적/정량적 종합비교 방법론이 개발될 예정이다. In the present work, for various energy and electricity generating systems to be compared in view of integrated social impacts, nuclear, coal-fired, heavy oil-fired, and LNG, and hydroelectricity systems are considered as electricity generating options. The following assessment factors are selected: economic effect, health effect, environmental effect, and benefit at the national level. As a preliminary study, these factors are represented as power generation cost, estimated mortality. Carbon Dioxide gas emission, and fuel supply stability, respectively. For integrated representation of a multi-criteria decision-making (MCDM) problem, radar charts are introduced to facilitate a comparative recognition of estimates. In the near future, based on the estimates, a MCDM methodology for both qualitative and quantitative comparison will be developed.
차량 도장표면 검사용 로봇 관련 특허/검사규격에 대한 선행 연구
김태운(T. U. Kim),김용석(Y. S. Kim),오지우(J. W. Oh),우경행(K. H. Woo),양순용(S. Y. Yang) 유공압건설기계학회 2016 유공압건설기계학회 학술대회논문집 Vol.2016 No.6
The fundamental purpose of the vehicle painting is a primary object to prevent corrosion by coating a coating material on the surface. In general, the vehicle paint surface inspection is dependent on the hand of the operator with visual and tactile. Therefore, it is necessary to improve and protect the operator from the volatile matter generated from several kinds of organic solvent and a pigment, resin used in the painting process. In addition, the inspection process for painting the surface defects have to rely on hand of the operator there is a deviation detection. Because many companies are devoting a lot of effort to automate the inspection process as well as the painting process. In this paper, we investigated the related patents, released products, standard. before developing automotive painting surface inspection robot system using vision system.
김태운(T. U. Kim),오지우(J. W. Oh),웬치탄(C. T. Nguyen),김용석(Y. S. Kim),우경행(K, H, U),양순용(S. Y. Yang) 유공압건설기계학회 2015 유공압건설기계학회 학술대회논문집 Vol.2015 No.6
Nowadays, the important selection criteria of the car customers are design and performance. Painting is an important element to finish the design of a car. Manufactures have been built an automated painting system by robots. However, the checking process of the vehicle’s panting surface is only conducted by human so the vehicle production line is not completely automatic manufacturing. In this study, we design an automated checking system for vehicle’s surface painting. In this system, industrial robots which their end-effectors are attached cameras are placed along of the product line. When the robotics move the cameras across the vehicle’s body surface, the vision system will track the quality of the surface to detect the painting defects. Therefore, the system can obtain many benefits for the production line such as reducing the working time, decreasing defect rate, saving modified cost. Moreover, it can improve the accuracy of the inspection and the reliability of the company by reducing the claims from the consumer.
김태운(T.W. Kim),김성호(S.Ho Kim),정환삼(W.-S. Chung),하재주(J.J. Ha),민경란(K.R. Min),고순현(S.-H. Ko) 한국에너지학회 2004 한국에너지공학회 학술발표회 Vol.2004 No.-
In recent, the trends in national energy policy are established in the context of the integrated risk estimation for various national electricity generating options. The approach takes account of health, environmental, economic, and social aspects of electricity generation systems. In the present work, nuclear, coal, and LNG sources are chosen because these hold more than 90% of national total electricity generation in a descending order. A life cycle assessment (LCA) methodology is used for comparing environmental impacts of these options during the life cycle such as construction, operation as well as disposal stages. Here, the LCA consists of life cycle inventory analysis, classification/selection process of impact categories, characterization process, and normalization process of each category. LCA can be an useful tool for environmental impact assessment of future national energy options. At the planning stage of future energy policies, the results of LCA would be taken into consideration. According to data update at the construction and disposal stages, the LCA needs to be conducted iteratively.
Design of Soil-Pile Scanning System Using the Laser Rangefinder
Quang Hoan Le(레광환),S.W.Chio(최성웅),T.U.Kim(김태운),C.T.Nguyen(웨치탄),J.W.Lee(이재우),S.Y.Yang(양순용) 유공압건설기계학회 2016 유공압건설기계학회 학술대회논문집 Vol.2016 No.6
Nowadays, autonomous excavators are studied to replace the human presence when the machine is working in the hazardous environment. Especially, the perception for defining the shape and the dimension of the soil-pile should be developed to generate the excavation path planning. In this paper, a scanning system for soil-pile will be presented to apply to the autonomous excavator. First, a laser range finder (2D Lidar) is mounted to a bracket which is forced to slide vertically by linear actuator. Then, a data processing program filters the scanning result from the measurement. Finally, the soil-pile shape is determined by meshing the point cloud by using the Delaunay triangulation method. An experiment for real soil-pile is also implemented to verify the performance of the system.
자율주행자동차의 주행환경을 고려한 라이다 틸팅 메커니즘 개발에 관한 연구
오지우(J. W. Oh),김태운(T. U. Kim),김인호(I. H. Kim),양순용(S. Y. Yang) 유공압건설기계학회 2016 유공압건설기계학회 학술대회논문집 Vol.2016 No.6
This research discusses about using LIDAR for recognizing the vehicles or the obstacles in the front. The LIDAR (Light Detection and Ranging) transmits a laser and receives its reflection from the objects as the vehicles or the obstacles. Basing on the Pitching of vehicle, the distance to obstacles is determined by measuring the response time of laser signal, frequently this measurement is effected by reflecting angles in measuring process, therefore the reliability of measured data is gotten lowered. Non-measurable area accordance with the pouting position occurs. In this paper, a basic study on the development of Tilting mechanism for minimizing the non-measurable area when parking or driving on narrow road or alleys.