• Proceedings of the Korean Society for Technology of Plasticity Conference
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• 2008.10a
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• pp.190-193
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• 2008

Thick pipes which have large thickness have been used in fields of ocean and industrial plants, and for oil pipelines, water pipes and pipe arrangement. In manufacture of the pipes, roll bending process has been used mostly. However, studies on the pipe forming processes using brake press have been performed in recent days. Normally, the brake press has high aspect ratio, so analysis of structural integrity should be conducted. In this study, the evaluation of structural integrity of the brake bending press was carried out for thick pipe forming process.

• Journal of Korea Game Society
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• v.16 no.5
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• pp.169-178
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• 2016

Awareness of Korean VR/AR industry has been spread via the success of PokemonGo syndrome. In accordance with the increase in interest VR/AR ecosystem in the domestic VR/AR industry is to equip the global competitiveness of C-P-N-D aspect is essential. This paper analyzes the state VR/AR industrial ecosystem status in the C-P-N-D perspective and examines the government and the local governments of VR / AR content policy in supporting ecological point of view. Especially, the importance of the platform and IP has been noted based on VR/AR industry.

• Journal of the Korean Society of Manufacturing Process Engineers
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• v.8 no.2
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• pp.18-24
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• 2009

The most dominate aspect in machine works using CNC devices in industrial production processes is the precision of the product and the Cycle Time. To this day, many studies on the external factors of the technology to reduce the Cycle Time have advanced amid to the advancements in cam soft development for manual programs and the numerous studies on high speed and precision machining. This study experimented various functions of the sequence pattern flow and arranged system development technologies of past few years to develop and applicate various usage of adjustment factors within the CNC, so it would be more understandable to the user and would enable them to make high speed and precision products more faster develop and. In order to reduce the Cycle Time, the mechanism of machine tools has to be analysed and applied, in addition to program reduction and improvement of the manufacture process.

• Proceedings of the Korean Society of Machine Tool Engineers Conference
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• 2004.04a
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• pp.172-177
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• 2004

A planetary gear trains has characteristics in compactness, power transformation ability and constant meshing. Usability is increased in applications of auto transmission and industrial gearbox. Study on optimum design of planetary gear train has been progressed on minimization of weight, miniaturization of planetary gear train and improvement of high strength. There are demands of study for the planetary gear train required long lift estimation In this wort being considered life, strength, intereference, contact ratio and aspect ratio, the optimum design algorithm is proposed to reduce the volume of planetary gear train with transferring the same amount of power. In the design of algorithm for planetary gear train, the determination of teeth number is separated to achieve simplicity and the simulated annealing method as a global optimal technique is used for optimal design method.

• Journal of the Korean Society for Precision Engineering
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• v.22 no.9 s.174
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• pp.123-129
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• 2005

As the robot industry changes from industrial robot into personal robot used in home, the concept also changes from the existing fixed manipulator into Mobile Manipulator of free move in the aspect of appliance. For personal robot with such features, the role of mobile system is very important technology that rules the roost of robot functions. Especially, it is necessary to develop moving mechanism for free move in a narrow environment with obstacles such as home. This study introduces 3-axis structure in order to develop synchronous method that has turret capable of endless revolution for practical use as well as semi-omnidirectional function, and suggests applicable method to solve the problem of mechanical coupling.

• Proceedings of the Korean Society of Precision Engineering Conference
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• 2004.10a
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• pp.792-795
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• 2004

Despite is product that ship, vehicles, development equipment and Metal Bearing for plant equipment that is mass-produced by present domestic companies Cast White Metal Lining Bearing that is Bimetal Bearing standing 2 generation is accomplishing master and servant and this is foreseen to be used widely on industry whole in hereafter but Cast White Metal Bearing need minuteness processing, while price competitive power is depending on income from superior another thing area than itself manufacture already in advanced nation to lowdown that the technique is generalized widely, when take into account technology change aspect of industrial technology developing country, Go added value creation by deepening of price competition is judged to be difficult hereafter. Because domestic production and supply are wholly lacking almost in Metal Bearing Cladding that take advantage of these technology, Data-base about connection technology is weak with technique and Know-How for product. This research unites Back Steel and Aluminium Alloy different kind metal and make the Clad river studying technology about union of Gogangseong Dacheung metal bearing hereupon.

• Proceedings of the Korean Institute of Industrial Safety Conference
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• 1998.05a
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• pp.321-326
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• 1998

One aspect of customer dissatisfaction, safety or more correctly, the lack of product safety has received Particular attention in courts and in legislatures, especially in the developed countries. Therefore, many companies have always regarded safety elements as an essential part of product manufacturing. In this paper, the case study on the product safety of infant cosmetics manufactured by a small-medium enterprise is presented We have focused our study on safety level and control system of product safety, also analyzed the product defects caused by mixing process and all departments. It is found that the product defects( Complaints, Enquiries ) is considerably decreased. These results could be used to deal with a product recall which companies hope never happens to them

• Proceedings of the KIEE Conference
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• 2007.11b
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• pp.291-293
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• 2007

SCADA (Supervisory Control and Data Acquisition) SCADA refers to the combination of telemetry and data acquisition [1]. SCADA system has been used for remote measurement and control on the critical infrastructures as well as modem industrial facilities. Electric Power system is a representative system using SCADA network for its communication. Integration between many networks and increasing threatens of terrorism have made the potential risk by cyber attacks real and bigger in power system. Recently, many researching efforts have been made on SCADA network for improving its security. In general aspect, there are already several ways to secure the system like encryption, firewall, authentication, etc. In this paper, we focus on symmetric encryption method and propose the proper key distribution method to reflect the unique characteristics of SCADA network communication.

• 대한공업교육학회지
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• v.30 no.1
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• pp.68-83
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• 2005

The purpose of the study were to analyze of the curriculum and textbooks for technology & home economics in the 7th national curriculum, and to suggest the revision direction of them. This study was carried out through literature research of national curriculum and textbooks of Korea and Japan, respectively. The findings of the study were as follows: First, we have three textbooks which are technology & home economics 1, technology & home economics 2, technology & home economics 3 for each grade of middle school student, but one technology textbook and one home economics textbook may be better for middle school student to reduce the learning content following revised curriculum. Second, as an aspect of learning content between technology textbook and computer textbook, the computer and information volume is too much overlapped, which is also the same result at the survey research report of KICE. Therefore, the computer content of technology & home economics textbooks must be considered to reduce according to follow research.

• Proceedings of the Korea Information Processing Society Conference
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• 2017.04a
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• pp.332-335
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• 2017

정보기술의 발달은 조직의 업무환경에 긍정적인 영향을 주는 동시에 다양한 정보보호 위협에 따른 사고 발생 등 부정적인 영향을 미친다. 조직에서는 보안사고 예방을 위하여 다양한 노력들을 경주하고 있지만 기술적 보안 솔루션에 의존하는 경향이 있으며, 그럼에도 불구하고 보안 사고를 완벽히 예방하는 것은 불가능하다. 최근 기존의 정보보호 접근방법의 한계를 극복하기 위한 새로운 접근방법인 인간 중심 보안(People Centric Security)에 대한 관심이 증가하고 있으며, 임직원의 자발적인 정보보호 정책준수에 대한 연구의 필요성이 제기되고 있다. 본 연구는 향후 인간 관점의 정보보호 연구의 발전을 위해 기존의 수행된 연구들을 분석하여 통합된 관점에서 연구방향을 제시하는 연구동향 분석 연구로서, 해외 4개의 저널에서 수집한 134개의 논문을 대상으로 연구 추세, 연구 주제, 연구 방법론 등을 분석하였다. 본 연구의 결과는 국내의 인간 관점에서의 정보보호 관련 연구 활성화에 기여할 수 있을 것이라 판단되며, 조직에서 임직원의 정책준수에 영향을 주는 요인들을 참고하여 정보보호 정책 수립 시 활용할 수 있을 것이다.