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OSGi 컴퓨팅 환경에서 접근 제어를 이용한 원격 관리 서비스 구현
최규상(Choi Kyu Sang),정헌만(Jung Heoun Man),이세훈(Lee Se Hoon),백영태(Beak Yong Tae) 한국컴퓨터정보학회 2006 한국컴퓨터정보학회지 Vol.14 No.2
이 논문에서는 OSGi 서비스 프레임워크 환경에서 발생할 수 있는 보안 요구 사항 중에서 서로 다른 번들의 서비스 간의 상호 작용에서 발생할 수 있는 접근 제어(access control)문제를 설명하고 이를 만족 시킬 수 있는 구체적인 서비스 보안 모델을 제시하였다. 특히 번들이나 서비스에 대한 접근 통제를 유연성과 확장성이 보장되는 방식으로 처리 할 수 있도록 번들에 포함된 파일 형식으로 명시될 보안 정책(security policy)의 구성요소와 의미론을 정의 한다. 또한, 원격 관리 서비스를 위한 효율적인 서비스 구조를 제안하였다. In this paper, we proposed service security model and remote management service on OSGi computing environment. The model is used to make access control decisions like permission-based security inside the java2 platform. In model. policies are defined using a flat text file and include bundles. It method granted flexibility and extendability of access control of bundles and services. Also, we proposed service architecture efficiently for remote management service.
북미 강화NCAP 무릎상해 대응용 최적 니볼스터 구조 연구
백창인,최규상,정재윤,Paek, Chang In,Choi, Kyu Sang,Jung, Jae Yoon 한국자동차안전학회 2012 자동차안전학회지 Vol.4 No.1
The US-NCAP was rated by the head and chest injury, but the new US-NCAP requires various dummy injury parts such as head, neck, chest, and femur. So, new restraint systems are needed. Particularly, the knee bolster must meet both unbelted and belted test condition requirements. This paper analyzed the dummy response of both test condition and suggested a knee bolster F-D requirement as well as a new knee bolster structure.
박웅규,최연규,김현구,최규상,정호열,Park, Woong-Kyu,Choi, Yeongyu,KIM, Hyun-Koo,Choi, Gyu-Sang,Jung, Ho-Youl 대한임베디드공학회 2017 대한임베디드공학회논문지 Vol.12 No.2
In this paper, we present a night-time vehicle detection method using CNN (Convolutional Neural Network) classification. The camera based night-time vehicle detection plays an important role on various advanced driver assistance systems (ADAS) such as automatic head-lamp control system. The method consists mainly of thresholding, labeling and classification steps. The classification step is implemented by existing CIFAR-10 model CNN. Through the simulations tested on real road video, we show that CNN classification is a good alternative for night-time vehicle detection.
차량과 승객 거동분석을 통한 목상해 저감방안 구현 (CATIA)
이정훈(Jeong Hoon Lee),최성철(Sung Chul Choi),최규상(Kyu Sang Choi) 한국자동차공학회 2011 한국자동차공학회 부문종합 학술대회 Vol.2011 No.5
The topic of the crash injury in a vehicle has not been sufficiently researched. It is very difficult to define the design factors involved with dummy’s behavior during the crash activity. FMVSS has represented the minimum design criteria for the safety issues, so all OEM have followed its guidelines. Two years ago FMVSS announced new NCAP guidelines to reduce the all passenger’s injuries in a car. To satisfy the improved ones it is needed severe and complicated design requirements. According to some pilot researches based on new NCAP protocols, an unbelted 50th percentile US male was worse damaged on its neck in 40kph test condition. In this research we defined new design guidelines for a sun visor to reduce the 50th percentile US male’s neck injury.
비선형광학적 이차조화파발생을 이용한 6fda-co-c6 고분자의 곁사슬 표면 조사
최규상 順天大學校 1998 論文集 Vol.17 No.1
Optical second harmonic generation (SHC) is a powerful and versatile technique for studying many kinds of surfaces and interfaces. This article introduces briefly the basic theory of SHG and shows how it can be applied to find the symmetry of rubbed 6fda-co-c6 polymer surface.
최규상,홍관수 順天大學校 師範大學 附屬 科學敎育硏究所 1995 科學과 敎育 Vol.3 No.-
Nuclear magnetic resonance(NMR) is a discipline of non-destructive radio-frequency spectroscopy ranging from physics and chemistry to biology and engineering. NMR consists of two parts; cw NMR and pulse NMR. pulse NMR is superior to cw NMR in various respects. We introduce briefly the basic theory and physical quantities of pulse NMR, and what can be known from these. The apparatus used is MSL200 for solid NMR, which is located in KOREA BASIC SCIENCE INSTITUTE SEOUL BRANCH.
최주호,최규상 순천대학교 기초과학연구소 1994 基礎科學硏究誌 Vol.5 No.-
The experimental study on the air flow in the square duct with ratio of 1(40㎜×40㎜) and 4,000㎜ long is carried out to determine the entrance length with the velocity profiles and velocity waveforms by using a hot-wire anemometer with data aquisition and processing system. The entrance length equation of oscillatory flows is L = Q Re_os. The experimental costant of the square duct is 0.00804, when the dimensionless angular frequency is 7.16.