• The Journal of Society for e-Business Studies
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• v.24 no.1
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• pp.17-27
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• 2019

With the occurrence of the 4th Industrial Revolution, environmental change is happening in the healthcare industry as overall flow of Industry heads to ICT-based business environment. Healthcare Industry, which has the characteristic of public goods, is requiring a reliability and continuity of healthcare industry, however, the introduction of security is being delayed due to the problem of compatibility and extendability of existing system. Accordingly, in this research, we have built a section and role for stakeholders to be concerned in order to induce, analyze and introduce a needed security technology for rapidly building a security system in a smart healthcare environment. We have suggested a possibility of extendability regarding a multi-dimensional effort of stakeholders for establishing a healthcare security system.

• Proceedings of the Korea Information Processing Society Conference
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• 2021.11a
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• pp.1024-1027
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• 2021

본 논문은 유아기 아이들에게 올바른 위생관리 습관 확립과 화장실 내 안전사고 예방을 도와주는 "Kids Self Care Mirror" 시스템을 제안한다. 제안하는 주요 기능은 다음과 같다. 첫째, 적외선/온습도 센서 등을 통해 실내 LED 및 환풍기 제어와 습도로 인한 미끄러움을 경고등과 경고음을 사용하여 방지한다. 둘째, 카메라 모듈을 사용하여 사용자를 인식하고 디스플레이를 통해 아이들을 위한 양치 교육 동영상을 재생시킬뿐만 아니라 치아 상태에 따른 치약을 추천한다. 또한 액체비누 디스펜서 버튼을 누르면 손 씻기 교육 동영상이 재생된다. 셋째, 액추에이터를 사용하여 사용자의 키에 맞게 거울의 높낮이를 자동으로 조절한다. IoT 기술과 OpenCV, 치아 관리 알고리즘을 활용한 "Kids Self Care Mirror" 시스템을 통해 아이들에게 발생할 수 있는 각종 질병과 사고를 방지할 수 있을 것으로 기대된다.

• KIEAE Journal
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• v.13 no.4
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• pp.75-86
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• 2013

Under the powerful influence of economical and social transformation, namely Post-Industrialization since the 1980's, old industrial cities in western europe faced a severe urban crisis such as high unemployment rates, demographic decline, urban slums, lack of infrastructures and economic shocks. In order to overcome their urban decline, They had to attempt to find a creative re-modelled and re-imaged Urban Development Strategy for the future. Thus Urban Regeneration has been a serious issue of debate in europe. First of all, Urban Regeneration based on cultural strategy have played an increasingly important role in the Post-Industrial cities and regions since 1980's. The purpose of this study is to find out the organized characteristics of Urban Regeneration based on Cultural Strategy by analyzing successful overseas case "Landesgartenschau in Ruhrgebiet, Germany, where has been changed from an old industrial city to a Culture-Service- based City significantly over last several years. It's inner-city old industrial areas with amount of derelict under-used industrial Heritages have been remodelled and reimaged to a creative and attractive public spaces involving Arts and cultural activity by Urban Regeneration based on Cultural Strategy, namely, "Landesgartenschau".

• Journal of Korea Society of Industrial Information Systems
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• v.16 no.5
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• pp.107-114
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• 2011

The purpose of this paper is to develop a reliability estimation process of agricultural machinery components using field failure data. Estimating the durability is a time-consuming in the product development process. Using the field data of tractor, failures for major parts are investigated and databases are developed. Accelerated life test using the stress analysis could improve Weibull B10 considerably. This estimation process is useful for preparing the design input and planning the durability target.

• Journal of Industrial Technology
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• v.25 no.B
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• pp.3-10
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• 2005

Since in 1970, the length of concrete pavements(JCP, JRCP and CRCP) are growing rapidly at both of main highways and local roads. Many of them are deteriorated and old enough to be repaired or replaced. The pavement is more important than the other infrastructures and it is very difficult to go around or block the traffic during the rehabilitation. The very-early strength latex-modified concrete(VES-LMC)may offer the advantages of high-early-strength, higher flexural strength, higher bond strength, and improved durability. The VES-LMC could be used at a kind of fast track ofr early opening to the traffic after 3 hours of concrete placement. The installation of VES-LMC overlay at Jung-Boo highway was successfully done from April 28 to 29, 2005. The traffic was closed at 07:00 PM and opened to traffic at 08:30 AM. The compressive and flexural strength of VES-MC were more than 28MPa, 6.2MPa after 4 hours, respectively.

• Proceedings of the Society of Korea Industrial and System Engineering Conference
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• 2002.05a
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• pp.439-444
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• 2002

Competitive power in manufacturing industries mainly depends on production time and qualify of products. The main issue for achieving this goal is to build high speed and super accuracy machine. The machine has been developed in the aspect of hardware. However, applications in high speed machining is not sufficient to give solutions to industries in machining. This research presents a method to improve surface roughness adopting experimental design. This research finds experimental factors which have great impact on surface roughness. From the experiments cutting conditions are found for better quality of machining.

• Journal of Korea Society of Industrial Information Systems
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• v.4 no.3
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• pp.71-78
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• 1999

This paper presents an integrated and automated inspection system using image processing technology for the automotive engine assembly process. The system make it possible for the inspected data to be entered directly from the machine vision into the statistical process control system. Such direct entry enables the prompt preparation of corrective actions against process problems. An IVP-150 machine vision board is installed within the PC for image processing, and a template matching technology is implemented to precisely verify quality factors. The developed system showed robustness to the problems of noise, distortion, and orientation.

• Proceedings of the KIEE Conference
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• 2011.07a
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• pp.1674-1675
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• 2011

USN환경에서 다양한 정보를 획득하기 위한 수 십~수 천개의 배터리 기반 센서노드의 유지, 보수에 많은 시간과 비용이 소요되어 배터리 기반의 센서노드는 USN 산업의 한계점으로 작용한다. 이를 해결하기 위해 본 논문은 센서노드 배터리 충전용 무선전력획득 모듈을 제안한다. 무선전력전송장치가 전송하는 RF 전력을 전력획득모듈이 효과적으로 획득 및 효율적인 관리를 통해 센서노드가 정보를 센싱하고 전송하는데 소모하는 전력 및 자연 방전되는 배터리 전력을 보충한다. 무선전력획득모듈이 적용된 센서노드를 통해 배터리 전력을 일정하게 유지시켜 배터리 교환 주기를 반영구적으로 연장함으로써 USN의 신뢰성과 적용가능성을 높이고 USN산업의 활성화에 기여할 수 있다. 본 논문은 34dBm의 전력전송장치와 무선전력획득모듈 사이의 거리 5m에서 -2dBm의 전력을 획득하여 센서노드용 70mAh의 리튬폴리머 배터리의 충전을 통해 시스템을 검증하였다.

• Journal of Korean Society of Industrial and Systems Engineering
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• v.33 no.4
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• pp.209-217
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• 2010

Reliability tools such as QFD and FMEA identify voice of customer related to product design, its use, how failures may occur, the severity of such failures, and the probability of the failure occurring. With these identified items, a development team can focus on the design process and the major issues facing the product in its potential use environment for the customer. The purpose of this research is to develop a reliability estimation process of agricultural machinery components using QFD, FMEA, and field failure data. Based on QFD method, customer requirements, engineering design elements and part characteristics were deployed. Using the field failure data, failures are investigated, and Weibull B10 life are estimated. This estimation process is useful for preparing the design input and planning the durability target.

• Proceedings of the Korea Society for Industrial Systems Conference
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• 1999.12a
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• pp.493-505
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• 1999

Zoom lens camera calibration is an important and difficult problem for two reason at least. First, the intrinsic parameters of such a camera change over time, it is difficult to calibration them on-line. Secondly, the pin-hole model for single lens system can not be applied directly to a zoom lens system. In this paper, We address some aspects of this problem.