http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
굴삭기 설계 영역에 대한 온톨로지 모델 및 온톨로지 기반 설계 시스템 개발
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
Design data, information, and knowledge have complex associations with each other. Systems related with the management of the data, information, and knowledge are various, and the representations are numerous. Therefore it is difficult to construct a knowledge based design system with a full association knowledge for supporting the design tasks. In this research, OWL based ontology model for an excavator design is developed for the representation of the relationships. Also an ontology model is used to develop the knowledge based excavator design system.
지능형 굴삭기의 궤적 추종 오차 개선을 위한 중력 보상 제어기에 대한 연구
이창섭(C. S. Lee),홍대희(D. H. Hong),김태호(T. Kim),김기용(K. Kim),조용락(Y. Cho),장윤석(Y. Jang),장달식(D. Jang),장준현(J. Jang) 유공압건설기계학회 2009 유공압건설기계학회 학술대회논문집 Vol.2009 No.11
One of the most important factors in Intelligent Excavator is to locate the bucket fast and accurate to the right position. To locate the bucket accurately, the Arm and the hydraulic cyliner of the Boom should be exactly controlled. But as voltage and the force that should be controlled can be different by the positioning of the excavator, exact controlling is a difficult task. Only if we could control the gravity and the load, which is the main part in controlling the excavator in a slow system, it can be controlled more accurately. In this paper, we looked on how much the excavator could be controlled with gravity compensation.
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.
IEC 61970 CIM(Common Information Model) 기반 에너지 관리 시스템 개발
김명희(M.H. Kim),최인선(I.S. Choi),최영준(Y.J. Choi),이창호(C.H. Lee),장준형(J.H. Jang),김태완(T.W. Kim),이승재(S.J. Lee) 대한전기학회 2012 대한전기학회 학술대회 논문집 Vol.2012 No.5
현재 IEC61970 표준 프로토콜을 적용하고 그 목적에 맞게 상호운용성(Interoperability)을 구현하려는 노력이 진행되고 있는 상황이다. CIM (Common Information Model) 표준은 상위 EMS (Energy Management System) 간 데이터 교환을 목적으로 국제적으로 활발한 활동을 진행하고 있다. 이에 따라 본 논문에서는 CIM 기반으로 EMS 시스템을 설계 개발하여 상호운용성을 확보하여 다양한 프로토콜 연계를 통한 시스템 구성의 편리성을 확인할 수 있다.
이장준(J. J. Lee),최준민(J. M. Choi),이동호(D. H. Lee) 한국전산유체공학회 2004 한국전산유체공학회 학술대회논문집 Vol.2004 No.-
CFD code that simulates stator-rotor interactions is developed applying parallel computing method. Modified Multi-Block Grid System which enhances perpendicularity in grid and is appropriate in parallel processing is introduced and Patched Algorithm is applied in sliding interface which is caused by movement of rotor. The experimental model in the turbo-machine is composed of 11 stators and 14 rotors. Analyses on two test cases which are one stator - one rotor model and three stators - four rotors model are performed. The results of the two cases have been compared with the experimental test data.