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4차 산업혁명시대 유망직업 탐색·발굴을 위한 수요 조사에 관한 연구: 대전 산업특성을 중심으로
장석인 ( Sug-in Chang ),김문준 ( Moon-jun Kim ),김진경 ( Jink-yung Kim ),황윤성 ( Yoon-seong Hwang ) KNU기업경영연구소 2021 기업경영리뷰 Vol.12 No.1
This study is a study on the demand survey for exploration and discovery of promising jobs in the ‘4th industrial revolution era’ reflecting the industrial characteristics of Daejeon. For this purpose, information production workers, smart factory managers, and IT solution support workers were derived by referring to key words and key topics for each major industry in 17 areas of the 4th industrial revolution era. Representatives and personnel of Daejeon-si major industries and 4th industrial revolution industries from October 26 to November 6, 2020 by randomly extracting 12,861 (50%) out of 25,722 companies in the major industries of Daejeon City An online survey was conducted for employees in charge. As a result of the survey, a total of 504 valid data were used to establish promising occupational groups required in the era of the 4th industrial revolution in Daejeon. In other words, current manpower and new manpower required for information production workers (lower 4 job groups), smart factory management jobs (lower 3 job groups), IT solution support jobs (lower 6 job groups), required education, required skills, average monthly salary level And the like were analyzed and presented. In addition, it emphasized the importance of creating specialized jobs in Daejeon, re-education of human resources, and nurturing human resources. In other words, in order to improve the flexibility of the labor market, various deregulation policies need to be re-established, and the need for more accurate forecasting of the outlook for manpower supply and demand by major industry and job and the need for high-quality information sharing was emphasized. In order to cope with changes in the labor market according to the era of the 4th industrial revolution, it was necessary to change the quality of education to improve common and general abilities. For this, Daejeon City needs job segmentation in high-tech fields such as big data, artificial intelligence, IoT, and virtual reality that are leading the 4th industrial revolution. In addition, the establishment of a strategy for fostering new occupational groups and consistency in policy execution was required as the demand for the relevant manpower increased.
LoRa 네트워크를 사용한 위치 기반 스마트 구명조끼 시스템
김수재(Soo-Jae Kim),장우석(Woo-Seok Jang),권익주(Ik-Joo Kwon),김성민(Seong-Min Kim),황윤성(Yoon-Seong Hwang),오병우(Byoung-Woo Oh) 한국정보기술학회 2021 Proceedings of KIIT Conference Vol.2021 No.6
기존의 수상 안전 시스템에서는 GPS 기술을 활용해 현재 위치 정보를 보내는 기능만을 제공했다. 본 논문에서는 GPS 기술을 포함한 심박 센서, 온도 센서 그리고 가속도 센서 등을 활용해 근해, 수상 레저스포츠 사업장 등의 안전관리센터에서 착용자의 위급 상황 발생을 능동적으로 감지하고, 실시간으로 착용자의 상태를 확인할 수 있도록 하여 더 효율적이고 신속한 구조를 돕는 레저 가디언 시스템을 제안한다. In the existing water safety system, only the function of sending current location information was provided using GPS technology. In this paper, by using heart rate sensor, temperature sensor, and acceleration sensor including GPS technology, it is possible to actively detect the occurrence of an emergency situation of the wearer in safety management centers such as offshore and water leisure sports area, and to check the wearer"s condition in real time. We propose a Leisure Guardian system that helps the rescue more efficiently and quickly.
만곡형 연주기에서 전자기 제동이 유체 유동에 미치는 영향에 관한 수치모사 연구
윤종규,한창환,황윤성,문기현 대한금속재료학회(대한금속학회) 1995 대한금속·재료학회지 Vol.33 No.11
It is well known that the quality of slab and the productivity of continuous casting are directly linked to controlling the hydrodynamical state of liquid steel in the mold. The EMBR creates a transverse static magnetic field in the mold. Interaction of this field with the liquid steel flow creates a braking force. This braking force is expected to brake and redistribute the flow of the steel jets from the nozzle and suppress vorticity, turbulence and finally results in various beneficial effects. In this research, a computer program that can calculate the flow of molten steel in continuous slab caster equipped with EMBR was developed. A series of parametric studies using this computer program could help the understanding of the effects of EMBR and provides the fundamental data for the operation of the EMBR equipped caster, and will give understandings how EMBR works.
윤종규,이경우,황윤성,차필령 대한금속재료학회(대한금속학회) 1995 대한금속·재료학회지 Vol.33 No.12
The application of electromagnetics to the material processes has aroused keen interests. Especially EMC(Electromagnetic Moldless Casting) is one of the most important technologies. EMC is a kind of electromagnetic confining system which includes fluid dynamic, solidification phenomena in addition to electromagnetic phenomena. In electromagnetic process of material, the numerical simulation is very important than any other common process. In the case of electromagnetic confining process, numerical simulation still has many difficulties. This study deals with the method of numerical analysis for electromagnetic confining system. Selected system is EML(Electromagnetic Levitation), which shares many similar properties with EMC. A seires of parametric studies conducted with this system provided understanding about the effects of main parameters. For example, the role of dynamic pressure on the determination of the shape was found almost negligible in EML.