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작업자 안전을 위한 영상센서 활용 인원 계수 시스템 개발
한재호(Jea-Ho Han),조윤호(Yun-Ho Cho),장철호(Cheol-Ho Jang),이주식(Ju-Sik Lee),이병철(Byeong-Cheol Lee),정종열(Jong-Yeol Jeong) 대한전기학회 2021 대한전기학회 학술대회 논문집 Vol.2021 No.11
인원 계수 시스템은 산업 현장 등 복잡한 구조 내에서 다양한 형태의 작업자(짐을 지고 있는 경우, 양 방향에서 오가는 경우 등)의 출입 및 재실인원 정보를 파악하기 위해 만든 안전장치이다. 본 논문에서는 이 시스템의 정확한 작동을 위해 CMOS 이미지 센서를 활용한 영상데이터 라벨링 기법, YOLO를 통한 영상AI학습 방법(Making Box), People Counting 알고리즘을 소개한다.
김재열(Jea-Yeol Kim),한재호(Jae-Ho Han),유신(Sin You),김훈조(Hun-Cho Kim),최진호(Jin-Ho Choi) 한국자동차공학회 2008 한국자동차공학회 지부 학술대회 논문집 Vol.2008 No.11
In process for production of Rubber Scheme Product that have the most inferior Working Environment is Medicine mixture and Scheme processing. Applying automation and Environment Treatment technology to the hazardous chemical and mixture processing, Through developed ’Mixture Automatic Machine for hazardous chemical Interruption type that is occurred at mixing rubber medicines’, we try to decline worker’s intensity of labour. Also, overcomes solution of work evasion phenomenon and manpower supply and demand’s difficulty by forming agreeable working environment and through the automatic scheme and mixture processing by preventing that hazardous chemical had known as disease causes of various importance disease is exposed to worker during the work. and we plan to do so that production of high added value product may be available.
최소차원 관측기를 이용한 평면 X-Y 스테이지의 나노 위치제어
김재열,윤성운,곽이구,안재신,한재호 한국공작기계학회 2003 한국공작기계학회 추계학술대회논문집 Vol.2003 No.-
Performance test of servo control system that is used ultra-precision positioning system with single plane X-Y stage is performed by simulation with Matlab. Analyzed for previous control algorithm and adapted for modem control theory, dual servo algorithm is developed by minimum order observer, and stability and priority on controller are secured. Through the simulation and experiments on ultra precision positioning, stability and priority on ultra-precision positioning system with single plane X-Y stage and control algorithm are secured by using Matlab with Simulink and ControlDesk made in dSPACE
나노부품 초정밀가공기용 마이크로스테이지의 절삭력 예측모델 시뮬레이션
김재열,심재기,곽이구,안재신,한재호,노기웅 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
Recently, according to the development of mechatronics industry that was composed of NT, ST, IT, RT and etc, the necessity of nano-parts was increased. Because of the necessity, this research was started for improving work precision of the parts as fixing UPCU (Ultra Precision Cutting Unit) on lathe. So, in this research, we executed the modeling of UPCU (Ultra Precision Cutting Unit) by the application of PZT, the relationship between the displacement of tool in UPCU and the cutting force of it has been in take a triangular position in the case of plane cutting. The modeling of system, that is containing the fine displacement, was performed. Also, we would like to find the optimal cutting condition through the simulation of relationship between the displacement and the cutting force.
고분자압출성형용 Single-Screw에 관한 열유동 기초연구
정효희,김재열,고명석,최승현,심재기,한재호 한국공작기계학회 2008 한국공작기계학회 춘계학술대회논문집 Vol.2008 No.-
Extrusion Screw, point parts of extrusion molding extruder, is expanded widely use area with construction machinery, site conveyance device food processor, medicine as well as Polymer extrusion forming. Because this can expect large quantity demand about Screw of special quality of extrusion Screw item, is become processing industry that adopt all kinds of small quantity production type. Accordingly, analysis by extrusion screw is also consisting of several directions. Extrusion screw differentia is appeared much at material selection of screw itself and each screw design as parts that cause a lot of high temperature and high tension and attrition among processing of product and use purpose and that should do it so that working conditions back according to kind of used balance may optimize of each Screw are desirable. In this treatise, analyzed and analyze single-screw that is using developing in Human Resource Training Project for regional Innovation subject considering pressure, temperature etc.. of extrusion screw using CFdesign that is 3 dimensional analysis program.