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치과 병의원내에서 디지털방식으로 제작하는 고정성 보철물의 임상증례
김범수(Bumsu Kim),김희철(Heechul Kim) 대한치과의사협회 2021 대한치과의사협회지 Vol.59 No.7
With the development of oral scanners and dental CAD/CAM systems, a various prostheses can be manufactured more accurately than before. If equipment such as a dental milling machine and 3D printer are equipped in the hospital, the dentist can produce the desired prosthesis relatively quickly and easily. Digital prosthesis production in the hospital can reduce chair time and the time for model making and delivery compared to the impression taking method. If the dentist actively participates in the prosthesis manufacturing process, it can improve understanding and help the clinical process. If conditions such as CAD software or equipment installation do not allow, communication between the dentist and the laboratory can be improved through the Viewer provided by the company. It should be remembered that the importance of basic treatment procedures such as tooth preparation, accurate margin, and soft tissue management remains the same even when digital prostheses are manufactured.
DIC, FEM을 이용한 탄소섬유 강화소재의 섬유방향과 응력확대계수의 상관관계 분석
김범수(Bumsu Kim),신호근(Ho Geun Shin),강현욱(Hyun-Wook Kang),이광호(Kwang-Ho Lee) 대한기계학회 2021 대한기계학회 춘추학술대회 Vol.2021 No.11
We obtained the stress intensity factors (SIFs) of carbon fiber reinforced plastic (CFRP) specimens of edge and center cracks using the displacement values measured by the digital image correlation (DIC) and finite element method (FEM). Tensile tests were conducted according to the fiber directions (0˚, 30˚, 45˚, 60˚) of the CFRP materials, and the displacements around the crack tip were measured through the DIC technique. From the displacement contours shown in the DIC, SIFs were obtained by the least square method (LSM). As compared the displacements obtained by finite element method (FEM) with the DIC method, the displacements and SIFs obtained by DIC and FEM were in good agreement with each other.
딥러닝과 IoT를 활용한 개인 최적화 스마트 홈 시스템
김범수 ( Bumsu Kim ),김욱찬 ( Wookchan Kim ),라찬엽 ( Chanyeop Ra ),문재현 ( Moon Jae Hyun ) 한국정보처리학회 2019 한국정보처리학회 학술대회논문집 Vol.26 No.2
본 연구에서는 사회인들의 정해진 패턴을 IoT를 기반으로 AI 기술을 활용하여 Deep Learning 기술을 적용하여 행동패턴을 자동으로 시스템에 업로드 한다. 업로드된 데이터는 Deep Learnig 기술을 통해 유의미한 데이터를 추출하고 이를 각종 가전제품에 제공한다. 데이터의 정합도를 높이기 위해서 초기 데이터는 사용자가 입력한 정해진 생활 패턴을 바탕으로 하며 가우시안 분포를 따르는 난수를 생성하여 training data set으로 사용하여 실제 학습에 적용시켰다. 실생활에서 자동으로 데이터를 활용하기 위해서 IoT기기를 연결하여 AI 학습을 진행하였다. 사회인들은 이 시스템을 통해 집에 들어올 때와 집 밖에 외출할 때 댁내에 있는 편리한 서비스를 제공받을 수 있다.
한의학에 대한 의사들의 인식과 태도 변화에 관한 체계적 문헌 고찰
김숙경,문소영,김범수,윤영주,Kim, Sukkyung,Moon, Soyoung,Kim, Bumsu,Yun, Youngju 대한예방한의학회 2013 대한예방한의학회지 Vol.17 No.3
Objective : To find a collaboration strategy between western medicine and traditional Korean medicine (KM), this study aims to figure out the changes in the perception and attitude of medical doctors toward KM through systematic review. Method : Systematic literature searches were performed on six Korean databases. Studies were categorized according to the respondents and question items and analyzed by the context of questions, similarity of respondents and measurement scale. And we analyzed the changes of response regarding to medical doctors' and medical students' perspective and attitude to KM. Results : Eighteen survey studies including attitude of medical doctors and medical students toward KM were selected, which were conducted from 1993 to 2011. Although the attitude toward KM did not show any positive change, medical doctors have had more interest in acupuncture than herbal medicine and appreciated KM's treatment effect for musculoskeletal disease. In spite of little KM education experience, they had intentions for acupuncture education at least. Many medical doctors have listed the unscientific aspect as a major reason why they cannot trust KM. Medical doctors working for cooperative practice showed more positive attitude than other medical doctors and medical students had more positive attitude in general than medical doctors Conclusion : Though the growth of KM service and cooperative practice since 1990s, medical doctors' attitude toward KM seems to become more negative. To improve their attitude, making scientific evidences for KM is required as well as giving more education and treatment experience.