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중심 압축력을 받는 탄소섬유시트 보강 철근콘크리트 기둥의 강도특성에 관한 실험적 연구
주수석,허훈,김광석,조성찬,장정수 대한건축학회 2000 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.20 No.2
Lateral confinement pressure generated improvements in strength and ductility of confined concrete, The objective of this experimental study is to evaluate the strength characteristics and strengthening effects of Reinforce concrete column confined with carbon fiber sheets. The main variables in the test are concrete strength, pre-loading. In the test a total twelve specimens, which are all 10×10 ㎝ in size, 117 ㎝ in length, 2.85 steel ratio, which are concentrically loaded, has been used. To estimate the confinement effects of CFS, experimental results are compared with previous analytical models.
CATIA KW의 변수 및 지식 관리를 위한 지원 모듈 개발
주수석(S. S. Ju),배일주(I. J. Bae),이수홍(S. H. Lee),전찬모(C. M. Jeon),장준현(J. H.Chang) 한국정밀공학회 2006 한국정밀공학회 학술발표대회 논문집 Vol.2006 No.5월
A knowledge-based system with CAD is widely used to implement a designer"s know-how and a routine calculation within a system. An engineer needs to change several design parameters in an early design stage. However it is not easy to change the design parameters when it needs to update an existing model and data. In this paper, a module has been proposed to make it easy to change the design parameter so that the engineer can easily update and change the design model. Also a flexible interface of the module can easily add or extract the design knowledge.
지능형 CAD 모듈을 이용한 굴삭기 프론트 그룹의 설계 프로세스 개선과 시스템 구축
주수석(Su-Suk Ju),배일주(Il-Ju Bae),이수홍(Soo-Hong Lee),장준현(Jun-Hyun Chang) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
In a product development, it is difficult for manufacturers to derive a new design from the demands of consumers as quickly as possible. Although a product design is through, one needs to reconsider a geometrical modification of the model under certain circumstances or a redesign request. In this case, altering an existing model data will cause a delay on a product development time. It is necessary for a designer to manage lots of parameter with an existing knowledge or with a in-house know-how. By doing so, it will bring up the optimized values of parameters in the early design stage. In this paper, a new approach to improve the process with optimized parameters is proposed to reduce a product development time of the excavator front design.
회의 지원을 위한 온톨로지 라이브러리 구축에 관한 연구
배일주(Ilju Bae),주수석(Su-suk Ju),송민규(Min-gyu Song),이수홍(Soo-Hong Lee),박지형(Ji-Hyoung Park) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.6
A meeting is an assembly or gathering at a prearranged time, usually to discuss specific topics and to exchange information about the specific topics. It is essential for an efficient group meeting to provide an organized representation of the meeting. A representation of ontology for the meeting will be an answer for the organized representation to support the meeting efficiently. Moreover the ontology can provide an inference scheme from the meeting concepts such as domains, sub-domains, classes, properties, and relationship of meetings. In this paper the strategy for the domain decomposition, the definition of features, and the ways in which features are shared by various operations and structure changes, are discussed. We conclude with a discussion of some of the issues raised by the project and the steps underway to address them.
굴삭기 설계 지식의 유형화 및 체계화를 통한 지식 기반 설계 시스템 개발
배일주(Il-Ju Bae),주수석(Su-Suk Ju),이수홍(Soo-Hong Lee),장준현(June-Hyun Chang) 대한기계학회 2006 대한기계학회 춘추학술대회 Vol.2006 No.11
It is continued to study on a knowledge based system for supporting a design of an excavator front group. However, an analysis of a knowledge type and structure of the excavator design was lack. The architecture of the system was not designed with a well-organized knowledge. In this research, an analysis of the knowledge type and structure of the excavator design is performed. Based on the analysis, a knowledge model and a knowledge based system for the excavator design is proposed and implemented.