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윤경환(K. H. Yun),강영준(Y. J. Kang),박낙규(N. K. Park),백성훈(S. H. Baik),강신재(S. J. Kang) 대한기계학회 2004 대한기계학회 춘추학술대회 Vol.2004 No.10
A new dimension measuring method for the measurement of diameter of an object has been developed using laser triangulation. The 3-D data of an object was calculated from the 2dimensional image information obtained by the laser stripe using the laser triangulation. The system can measure the diameter of hole not only in a normal plane but also in an incline plane. We can experiment with magnification that is optimized according to size of object using zoom lens. In this paper, the theoretical formula and calibration of the system were described. The measuring precision of the system was investigated by experiment.
태음인 비만환자의 절식요법전후의 골밀도 변화에 대한 임상연구
윤경환 ( Kyoung Hwan Yun ),염승룡 ( Seung Ryong Yeom ),이정훈 ( Joung Hoon Lee ),권영달 ( Young Dal Kwon ),송용선 ( Yong Sun Song ),신병철 ( Byoung Chul Shin ),이수경 ( Soo Kyoung Lee ) 한방재활의학과학회 2002 한방재활의학과학회지 Vol.12 No.4
Objecitve & Methods : Fasting therapy is adopted for treatment in obesity. But it is reported in some previous studies that improper dieting reduce Bone Mineral Density(BMD) of spines and hips. So the method of clinical studies was designed to investigate BMD of spines with Quantitative Computed Tomography(QCT). This clinical studies have been carried out with the 36 case of the Taeumin obese patients who wanted to fast body weight away in Dept. of Oriental Rehabilitation, Kwang-Ju Oriental Medical Hospital, Won Kwang University from May 1999 to August 2001.Results & Conclusions : Fasting therapy makes the body weight down and BMD down, so it is suggested that weight-bearing exercise and sufficient mineral intake are necessary to keep the BMD from reduction during fasting therapy.
윤경환(K. H. Yun),강영준(Y. J. Kang),백성훈(S. H. Baik),강신재(S. J. Kang) 한국정밀공학회 2004 한국정밀공학회 학술발표대회 논문집 Vol.2004 No.10월
A new dimension measuring method for the measurement of diameter of an object has been developed using laser triangulation. The 3-D data of an object was calculated from the 2dimensional image information obtained by the laser stripe using the laser triangulation. The system can measure the diameter of hole not only in a normal plane but also in an incline plane. We can experiment with magnification that is optimized according to size of object using zoom lens. In this paper, the theoretical formula and calibration of the system were described. The measuring precision of the system was investigated by experiment.
윤경환(Gyeonghwan Yoon),박만춘(Manchun Park),주진천(JinChun Ju),엄원용(Wonyong Eom),오진우(Jin-Woo Oh),윤재형(Jae-Hyeong Yun),김종규(Jong-Kyu Kim) 한국산학기술학회 2023 한국산학기술학회논문지 Vol.24 No.4
국방기술품질원(이하 기품원)에서는 무기체계 소프트웨어가 개발되는 과정에서부터 품질보증 활동을 수행하고 있다. 개발과정마다 연구개발주관기관이 약속된 활동을 수행하고 개발과정에서의 산출물이 적합한지 점검하는 것이다. 이러한 개발단계의 품질보증 활동을 고도화하면 무기체계의 운용과정에서 발생할 수 있는 문제점들을 미리 예방하여 소프트웨어 품질을 전반적으로 향상시킬 수 있다. 한편 기품원의 SW 기술지원부서에서는 무기체계의 운용단계에서 발생하는 SW 결함을 종합하여 데이터베이스(이하 DB)로 관리하고 있다. 무기체계 운용 시 발생했던 SW 결함사례들을 현재 개발 중인 무기체계에서도 발생 가능한지 미리 점검할 수 있다면 유사한 SW 결함이 재발하는 것을 개발단계에서 방지할 수 있을 것이다. 본 논문에서는 무기체계 개발단계에서 SW 결함을 예방하기 위한 체계적인 업무 방법과 절차를 연구하였다. 무기체계 소프트웨어의 개발단계에서부터 기존에 발생했던 SW 결함을 검증하는 체계를 구축한다면 조직적으로 SW 결함을 예방할 수 있다. 체계적인 검증업무 절차를 통해 SW 기술지원 담당자의 개인역량이나 우연에 따른 품질관리 편차를 줄이고 SW 품질을 전반적이고 지속적으로 향상시키는 것이다. 본 논문에서는 SW 결함 DB에서 점검 항목들을 추출한 SW 품질개선 체크리스트를 품질검증체계에서 활용하였다. 또 SW 결함이 발생했던 기존의 소스 코드 구현 패턴과 현재 개발 중인 소스 코드의 구현 패턴을 비교하는 소스코드 구조분석도 품질검증체계에서 활용하였다. 본 논문에서 소프트웨어 품질검증체계를 통해 SW 결함을 실제로 예방한 사례들을 다루었으며 SW 품질검증체계의 효과성을 확인하였다. The Defense Agency of Technology and Quality (DTaQ) conducts software quality assurance activities from the process of developing weapon system software. By upgrading software quality assurance activities at this stage of development, problems that may occur during the operation of a weapon system can be prevented in advance and the quality of weapon system software could be improved effectively. Meanwhile, DTaQ data on collects SW defects that occur during the operation stage of weapon systems and manages them as a database. Advance checks on whether cases of SW defects that occurred during the operation of the weapon system can also occur in the weapon system currently under development would enable the prevention of the recurrence of similar SW defects in the development stage. In this paper, we present our findings of research on operations and procedures aimed at the prevention of SW defects in development stages of a weapon system. The establishment of a Software Quality Verification System to verify SW defects enables systematic prevention of SW defects is possible. In this paper, SW Quality Management Checklist and Source Code Structural Analysis method were implemented. Additionally, we dealt with a real case of SW defect prevention using the Software Quality Verification System, confirming the effectiveness of the system.