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강윤모,임주환,조인호,Kang, Yun-Mo,Lim, Ju-Hwan,Cho, In-Ho 대한치과보철학회 1996 대한치과보철학회지 Vol.34 No.1
Abutment screw loosening of dental implant is a major problem in the treatment of dental implant. The purpose of this study was to examine the effect on the prevention of screw loosening according to tightening method and using of washer. In the first experiment, using a implant fixture and precisely fabricated temporary cylinder, the loosening torque was measured by tightening the screw 5 times repeatedly. In the second experiment, the fabricated crown and implant fixture was tightened by the screw that is attatched washer and then the loosening torque was measured after loading it 1800, 12600 times under the force of 150N. The results were as follows. 1. The highest loosening torque appeared after tightening 3 times repeatedly(p<0.01). 2. When the washer was used, the loosening torque was increased significantly under the loading 1800 times(p<0.01), 3. When the washer was used, the loosening torque was increaed under the loading 12600 times, but it is statistically not significant(p<0.01). The first experiment results mean that 3 times repeated tightening screw is most effective clinically. The second results mean that washer is effective in prevention screw loosening, but the effect is decreased with increasing load.
강윤모,임주환,조인호 대한치과이식임플란트학회 1996 The Korean Academy of Implant Dentistry Vol.15 No.1
Abutment screw loosening of dental implant is a major problem in the treatment of dental implant. The purpose of this study was to examine the effect on the prevention of screw loosening according to tightening method and using of washer. In the first experiment, using a implant fixture and precisely fabricated temporary cylinder, the loosening torque was measured by tightening the screw 5 times repeatedly. In the second experiment, the fabricated crown and implant fixture was tightened by the screw that is attatched washer and then the loosening torque was measured after loading it 1800’ 12600 times under the force of 150N. The results were as follows. 1. The highest loosening torque appeared after tightening 3 times repeatedly(p<0.01). 2. When the washer was used, the loosening torque was increased significantly under the loading 1800 tim es(p<0.0l), 3. When the washer was used, the loosening torque was increaed under the loading 12600 times, but it is statistically not significant(p〈0.01). The first experiment results mean that 3 times repeated tightening screw is most effective clinically. The second results mean that washer is effective in prevention screw loosening, but the effect is decreased with increasing load.
박하세포의 현탁배양에 대한 Fungal Elicitor의 영향
강윤모,오재현,정인식 慶熙大學校 大學院 1993 高凰論集 Vol.12 No.-
The effect of fungal effector on suspension culture of M. piperita cells was investigated using shake flasks. About two fold increase in oil production was observed in response to the treatment of fungal elicitor prepared from Rhodotorura rubra. Also, maximum accumulation of oil in M. piperita cells occurred at 48 hrs of incubation and 14 day-old peppermint cells were best in peppermint oil production.
MMC기반 능동형 필터를 활용한 고조파전류 저감에 관한 연구
강윤모(Yun-Mo Kang),김경철(Kyung-Chul Kim) 한국조명·전기설비학회 2018 조명·전기설비학회논문지 Vol.32 No.2
Wide use of non-linear loads such as power conversion device has led to harmonics generation according to the development of industry plant. In this paper, the current harmonics mitigation using a Shunt Active Power Filter(SAPF) based on a Modular Multilevel Converter(MMC) is studied for a load acting as a typical current harmonic source in the power plant high voltage bus. SAPF was designed using p-q theory and d-q proportional-integral(PI) current controller to generate reference value and the compensation current, and controller and the harmonic compensation characteristics were verified by simulation. Current harmonic generation in the power plant high voltage bus was measured and the case study was selected. The effect of current harmonic mitigation was verified by installing the manufactured 6.9kV 200A SAPF on site.
사물인터넷 센서와 인공지능을 이용한 이상 징후 차단 보안관리 시스템
강윤모 ( Yun-mo Kang ),강윤호 ( Yun-ho Kang ),신재성 ( Jae-seong Shin ),유승형 ( Seung-hyeong Yoo ),유상오 ( Sang-oh Yoo ) 한국정보처리학회 2020 한국정보처리학회 학술대회논문집 Vol.27 No.2
본 논문은 사물인터넷과 인공지능을 융합하여 영상 데이터양을 감소시켜 실시간 모니터링의 어려움을 해소하고, 불법 침입 및 이상징후 차단, 화재 징후를 효율적으로 포착하고 관리하여 범죄 차단 및 이상징후 차단을 목적으로 설계한 시스템을 소개하고 있다.
스마트 해상물류용 최신 에지 컴퓨팅과 인공지능을 구성한 자율접안 시뮬레이터의 개발
강윤모 ( Yunmo Kang ),강윤호 ( Yun Ho Kang ),신재성 ( Jae Seong Shin ),유승형 ( Seung Hyeong Yoo ),박승창 ( Seung Chang Park ) 한국정보처리학회 2020 한국정보처리학회 학술대회논문집 Vol.27 No.2
본 논문은 스마트 해상 물류에 필요한 최신 Edge Computing과 인공지능을 구성한 자율 접안 시뮬레이터의 개발이다. 먼저, 스마트 해상 물류에서 선박의 접안에 관한 요구 사항을 분석하고, 다음으로 그 분석된 결과를 사용하여 서비스, 시스템, 핵심부품을 설계하고 제작한다. 결국, 본 논문은 스마트 해상물류에 필요한 자율접안 시뮬레이터를 개발한다. 향후, 본 논문은 실제 스마트 해상 물류에 필요한 Edge Computing과 인공지능의 기계 학습 알고리즘을 개발할 계획이다.
긍정적 행동지원팀에 참여한 특수교사와 관리자의 개별중재 경험과 내실화 방안: 근거이론방법을 중심으로 한 분석
강영모,강윤모,이형준,손승현 한국정서행동장애학회 2024 정서ㆍ행동장애연구 Vol.40 No.1
본 연구는 긍정적 행동지원(Positive Behavior Supports)팀에 참여한 특수교사, 관리자의 개별중재 경험과 내실화 방안을 살펴보기 위한 목적으로 수행되었다. 연구 참여자는 PBS 개별중재에 참여한 A 특수학교의 협력팀 구성원 중 7명이다. 연구 자료는 ‘개별중재’를 주제로 두 차례 실시된 초점집단면담과 추가 심층면담을 통해 수집되었으며, 수집된 자료는 근거이론방법으로 분석되었다. 연구 결과 첫째, 개방 코딩을 통해, 심각한 문제행동을 보이는 학생과 생활지도에 어려움을 겪고 있는 교사에 관한 81개의 개념, 28개의 하위 범주, 12개의 범주가 도출되었다. 둘째, 속성과 차원에 따라 범주를 유기적으로 연결하는 축 코딩을 통해, 학생들이 문제행동을 하게 되는 원인과 맥락, 교사들이 어려움을 느끼는 원인과 맥락이 파악되었으며, 중심 현상을 개선하기 위한 행위/상호작용과 그에 따른 결과가 확인되었다. 셋째, 범주들을 통합하여 추상화된 이론을 형성하는 선택 코딩을 통해, 개별중재를 더욱 내실 있게 실행하기 위해서는 학생을 위한 증거기반실제가 확대·적용되어야 하고, 그와 동시에 교사의 역량 및 전문성을 향상하기 위한 지원이 제공되어야 함을 상황 모형으로 제시하였다. 이러한 결과는 일선 학교에서 보다 충실한 개별중재를 운영하기 위한 자료로 활용될 수 있을 것이다. The purpose of this study was to explore the experiences and internalization of individualized interventions by special education teachers and administrators who participated in a Positive Behavior Supports (PBS) team. The participants were seven members of the PBS leadership team of special school A, who involved in PBS individualized interventions. The data were collected through two focus group interviews on the topic of “individualized intervention” and additional in-depth interviews, and analyzed using a grounded theory approach. The results of this study are as follows: First, through open coding, a total of 81 concepts, 28 subcategories, and 12 categories were derived related to students exhibiting severe problem behaviors and teachers facing difficulties in student guidance. Second, through axial coding, which organically connects categories based on attributes and dimensions, the study identified the causes and contexts for students’ problem behaviors, the causes and contexts for teacher difficulties, along with actions/interactions and consequences that improve the central phenomenon. Third, through selective coding, which integrates categories to form an abstract theory, the study presented a situational model. This model suggests that scaling up and implementing evidence-based practices for students are necessary to strengthen individualized interventions, while concurrently providing support to enhance teacher competence and professionalism. These findings can serve as valuable resources for schools to implement more substantial individualized interventions.