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송무건,유송민 한국공작기계학회 2000 한국공작기계학회 추계학술대회논문집 Vol.2000 No.-
Surface roughness measurement system with capacitance type gap sensor. Tentative result from the calibration measurement showed the potential applicability of the sensor to the processed specimen. In order to test the sensitivity of the measurement system, several parameters including valley depth, width of the specimen have been changed. Effect of the charge area between sensor and specimen surface has been also analyzed.
송무건,백재용,신관수,유송민 한국공작기계학회 2001 한국공작기계학회 춘계학술대회논문집 Vol.2001 No.-
In this study a vision system with image processing method have been introduced to find the edge radius of curvature. It was applied to inspect the edge quality of the de burring process product with brush grinding. Size of data was found to be critical in calculating the radius of curvature. Results using laser measurement system were compared.
실차 도로이력 측정시험 (RLDA)과 해석(CAE)을 이용한 차체 쇼타워 (Shock Tower) 하중 결과에 대한 상관 관계에 대한 연구
송무건(Mu Keon Song),한교진(Kyo Jin Han) 한국자동차공학회 2010 한국자동차공학회 학술대회 및 전시회 Vol.2010 No.11
For RLDA & CAE correlation, in the refinement of CAE models to accord with test results of the physical RLDA is a field in the today automotive industries. The accuracy result of RLDA & CAE is the biggest issue of correlation. It is therefore of importance that correlation can be set and performed to provide the required test quality for the various road and conditions. In particular, fatigue or durability is traditionally a test based activity?especially RLDA, but now CAE becomes one of important tool for development of vehicle. To correlate RLDA & CAE results, they have been preformed and analyzed on special mode - Max Pothole. The load of the vehicle on Shock Tower is investigated by using experiments based on RLDA. Also the well-correlated model is very necessary for the feasible evaluations of structural performances. To perform and process the correlation analysis between RLDA and CAE, the ADAMS model updating techniques were developed and implemented into the existing ADAMS Dynamics software and optimization design. This paper gives a design reference for the sensor development and technique. All of activity is performed and simulated in a GMDAT Technical Center.
Mu Keon Song(송무건),Seung Jun Lee(이승준),Kyo Jin Han(한교진) 한국자동차공학회 2007 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
This paper describes the development of precision Multi-Component-Circle-load cell with using strain-gauge in road load data acquisition (RLDA) for vehicle engine mount. Engine mount system is so important that it shows performance of vehicle. Engine mounts properly locate the engine in the chassis, and are an important factor in how smoothly a vehicle operates. Engine mounts are never replaced in the service life of a car or truck. To predict life in laboratory, acquired data is needed. In automotive industry, usually the data is acquired on proving ground and real road. This process is called Road Load Data Acquisition (RLDA). In RLDA, loadcell design must be important for sampling and collecting data at proving ground and real road. The data is provided to lab engineers. Often mis-desinged loadcell can occur to acquire wrong data There are other factors such as linearity, hysteresis, zero drift, temperature compensation, elongation limit, dynamic response, stability, effect of moisture and humidity. It also makes wrong results in math and analysis. This paper focuses on crosstalk of load cells, which are self-manufactured and conventional. The conventional load cell is manufactured by Michigan Scientific. The self-manufactured load cell is designed by GMDAT. Both of them are compared crosstalk ratio by road load data from engine mount.
백재용,송무건,유송민 한국공작기계학회 2001 한국공작기계학회 춘계학술대회논문집 Vol.2001 No.-
An image processing method was applied to characterize a shape of the flexible grinding disk. A disk surface image was taken by CCD camera. Depth of cut was changed to be 2 and 4mm. Circles marked on the disk were captured to extract the key features of the deflection. Notable correlation has been observed between the intervals and the process conditions. Same methodology has been applied to check the symmetry of the human face. Tentative results revealed that symmetry could be checked using the filtered face image.
차민건(MinGeon Cha),송훈(Hun Song),송무건(MuGeon Song),신영학(Younghak Shin) 대한전자공학회 2023 대한전자공학회 학술대회 Vol.2023 No.6
With the development of IT technology, the number of buyers who purchase directly from overseas shopping malls is increasing. However, ordinary users who are not fluent in foreign languages have difficulties. In this study, in order to solve this problem, various deep learning techniques were used to make the English that on the web image appear naturally translated into Korean. Using OCR, image inpainting, and translation API, which are sentence extraction technologies, the English on the web page was translated into Korean so that the font size and background looked natural.