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허윤녕,황종대,정윤교 한국공작기계학회 2007 한국공작기계학회 추계학술대회논문집 Vol.2007 No.-
As demands for being economical, precise drilling process is on the increase. Therefore, the objective of this study is to develop a step cutter that can be controllable through micro dimension and can be changed from seperate manufacturing process into an integrated one. The step cutter is designed with a 3D geometric Modeling and the design could be modified easily by using parametric modeling method. The step cutter is assembled by parts made up of 5-axis machining and sintering. The objective of the manufactured step cutter is reliability and commerciality through a performance evaluation experiment.
허윤녕(Y. N. Heo),황종대(J. D. Hwang),정윤교(Y. G. Jung) 한국생산제조학회 2007 한국생산제조시스템학회 학술발표대회 논문집 Vol.2007 No.10
As demands for being economical, precise drilling process is on the increase. Therefore, the objective of this study is to develop a step cutter that can be controllable through micro dimension and can be changed from seperate manufacturing process into an integrated one. The step cutter is designed with a 3D geometric Modeling and the design could be modified easily by using parametric modeling method. The step cutter is assembled by parts made up of 5-axis machining and sintering. The objective of the manufactured step cutter is reliability and commerciality through a performance evaluation experiment.
허윤녕 ( Yoonnyoung Heo ),조인휘 ( Inwhee Joe ) 한국정보처리학회 2022 한국정보처리학회 학술대회논문집 Vol.29 No.2
임상의사결정지원시스템(Clinical Decision Support System)은 환자의 질병을 진단하고 치료할 때 의사결정을 도와주는 시스템이다.[1] 본 논문에서는 블록체인과 XAI 기술을 활용해 임상의사결정지원시스템의 아키텍처를 제안한다. 제안 아키텍처는 데이터의 중앙화, 의료데이터의 보안을 블록체인 기술로 해결하고 블록체인을 기반으로 한 보반 기술인 DID 기술을 활용해 데이터의 신뢰성과 보안성을 확보하였다. 또한 XAI 모듈을 활용해 예측 결과의 신뢰도와 투명성도 제공해 의료인의 의사결정을 지원하였다.
황종대(Jong Dae Hwang),허윤녕(Yun Nyoung Heo),오지영(Ji Young Oh),정윤교(Yoon Gyo Jung),조성림(Sung Lim Cho) 한국기계가공학회 2008 한국기계가공학회지 Vol.7 No.3
As demands for being economical, precise drilling process is on the increase. Therefore, the objective of this study is to develop a step cutter that can be controllable through micro dimension and can be changed from separate manufacturing processes of drilling and boring into an integrated one. In order to attain this object the step cutter is designed with a 3D geometric modeling and the design could be modified easily by using parametric modeling methodology. Also, collision is not occurred during manufacturing process because of cutting simulation. The step cutter is assembled by parts made up of 5-axis machining and sintering. Validation tests are accomplished. They show that developed cutter has characteristics such as reduction of machining time as well as the good surface roughness of the machined hole. Indeed, reliability could be obtained from a durability test.