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비구면렌즈 설계를 위한 칼코게나이드 Ge-Sb-Se 광학계 및 결정화 특성 연구
명태식,고준빈,Myung, Tae Sik,Ko, Jun Bin 한국재료학회 2016 한국재료학회지 Vol.26 No.11
The recent development of electro-optic devices and anticorrosion media has led to the necessity to investigate infrared optical systems with solid-solid interfaces of materials that often have the characteristic of amorphousness. One of the most promising classes of materials for those purposes seems to be the chalcogenide glasses. Chalcogenide glasses, based on the Ge-Sb-Se system, have drawn a great deal of attention because of their use in preparing optical lenses and transparent fibers in the range of 3~12 um. In this study, amorphous Ge-Sb-Se chalcogenide for application in an infrared optical product design and manufacture was prepared by a standard melt-quenching technique. The results of the structural, optical and surface roughness analysis of high purity Ge-Sb-Se chalcogenide glasses are reported after various annealing processes.
비구면렌즈 설계를 위한 칼코게나이드 Ge-Sb-Se계 구조적, 광학적 특성 연구
고준빈(Jun Bin Ko),명태식(Tae Sik Myung) 한국생산제조학회 2014 한국생산제조학회지 Vol.23 No.2
The recent development of electro-optic devices and anticorrosion media has made it necessary investigate infrared optical systems with solid-solid interfaces of materials with amorphous characteristics. One of the most promising classes of materials for these purposes seems to be chalcogenide glasses, which are based on the Ge_Sb_Se system, have drawn much attention because of their use in preparing optical lenses and fibers that are transparent in the range of 3-12 um. In this study, a standard melt-quenching technique was used to prepare amorphous Ge_Sb_Sechalcogenideto be used in the design and manufacture of infrared optical products. The results of structural, optical, and surface roughness analyses of high purity Ge_Sb_Sechalcogenide glasses after various annealing processes reported.
자동차 실내 열쾌적성 개선을 위한 통풍시트의 쾌적온도 분석
인충교 ( Chung-kyo In ),곽승현 ( Seung-hyun Kwak ),김창훈 ( Chang-hoon Kim ),김규범 ( Kyu-beom Kim ),조형석 ( Hyung-seok Jo ),서상혁 ( Sang-hyeok Seo ),명태식 ( Tae-sik Myung ),민병찬 ( Byung-chan Min ) 한국감성과학회 2020 감성과학 Vol.23 No.4
As the number of automobile registrations increases and luxury expectations grow, consumers are increasingly interested in indoor environment of vehicles. Therefore, manufacturers have an increasing interest in improving the indoor comfort as well as automobile performance. Research on indoor automobile comfort can help manufacturers increase driver satisfaction and reduce driver stress and discomfort, thereby reducing the risk of traffic accidents. Using electroencephalogram (EEG) measurements, we investigated the change in comfort and comfortable temperature according to the ventilating seat temperature change for both men and women. Results showed that the sensation of comfort was statistically significantly higher at 25°C than at 28°C. Secondly, there was no statistically significant difference in temperature-based comfort feeling between male and female subjects. In the future, if the correlation between the driver's comfort feeling and the change in ventilating seat temperature is analyzed, it is possible to reduce traffic accidents caused by human error and reduce the electric energy consumption of the automobile.
자동화된 공정계획을 위한 특징형상 기반 생산정보 생성에 관한 연구
명태식,오익수 大田産業大學校 1996 한밭대학교 논문집 Vol.13 No.0201
Separate implementation of the dasign and manufacturing blocks the flow of automated design and manufacturing and greatly increases the product life cycle time, and consequently makes the integration of design and maunfactuing activities highly desirable. Process planning, a linkage activity between design and manufacturing, translates the design information into manufacturing language. Feature-based automated process planning is considered as linkage between design and manufacturing. In this study, the generation of the manufacturing information is created by adopting the concept of feature. The feature-based modeling is implemented in the feature-based modeler developed in this study.
명태식,오익수 한밭대학교 산업과학기술연구소 1997 논문집 Vol.4 No.-
Three-dimensional surface modeling and manufacturing techniques play an important role in the design and manufacturing automobile panels. NC method leads to high quality and accuracy in the manufacturing the metal mold of the automobile panel. To adopt NC method, the system may generate not only fairing surface with free form but also tool path for the free form surface. In this study, an expert system is developed so that can be used in the design and manufacturing the metal mold of the automobile body panel.
경계 표현 기반 솔리드 모델링 시스템 개발에 관한 연구
명태식,오익수 한밭대학교 산업과학기술연구소 1995 논문집 Vol.3 No.-
Geometric modeling system is a fundamental module in the CAD/CAM system. Solid model that has the richest data of the other modeling schemes can be applied to many application field. Solid model represents complete geometric and topological information. Boundary representation scheme is appropriate for a PC level solid modeling system. This study develops the boundary representation based PC level solid modeling system. We implemented the Boolean set operation between two solids for providing powerful CSG like input facility. One of the system characteristics is that uses NURBS information for modeling solid part with partially free from surface.
明台植,金泰圭,高準彬 大田産業大學校 1996 한밭대학교 논문집 Vol.13 No.1
This study is a system development of CMP (Computer Management Program) that concurrently take care of related task, referencing geometry information that engineer designed a model digital geometry information and that constructs a integrated database on apply at each other group in concurrent engineering environment. This study laid emphasis on a concept of CE(Concurrent Engineering) and can be can out related task seeing designed geometry model. It can be certification that development system is very useful to introduce a concept of CE.