Recently the construction of the ERP(Enterprise Resource Planning) system becomes accomplished actively from the many enterprises. But the many problems occur in acquisition of production data which is a fundamental data of system. Also to delay the acquisition of the production result is fatal in the efficient business operation. The construction of the POP(Point of Production) system which acquires production data at real time is become accomplished widely, In the POP system it is most important to acquire the production data which is accurate. But the many enterprises drop the competitive power with acquisition of the data which could not be trusted. In this paper, we analyze these causes and present the method which it can improve the reliability of production data. Also we introduce a real application case.

This paper deals with the middleware and S/W development of real time automatic attendance check management system using ubiquitous 900Mhz RFID(Radio Frequency Identification). This system supports the real time automatic attendance check and necessary data processing in class management. We expect to decrease the effort for class management and to upgrade the status of real time management of class.

This paper deals with the middleware development for real time data processing using ubiquitous RFID(Radio Frequency Identification). This middleware system supports the real time data gathering, filtering, and collaborative operations within SCM. We expect to decrease the data processing cost and to upgrade the status of RTE(Real Time Enterprise) and competitive power of company.

This paper deals with the S/W development of web-based warehouse management system using ubiquitous RFID(Radio Frequency Identification). This S/W System supports the realtime inventory management and collaborative operations of relational companies in SCM. We expect to decrease the logistic cost and to upgrade the status of WMS and competitive power of company.

The port, differently from general working place, is a closed area to execute security, customs, and quarantine procedures. The loading and unloading is being done differently by cargoes, ships, berths, and equipments. To load and unload a lot of equipments and different types of labor are required, in which work flow is very complicated. As above mentioned the port is very unique and deteriorated working place including danger. The purpose of this thesis is to propose ways to analyze and establish the preventive measure for cargo handling accidents in port. We have collected 923 accidents happened at Incheon Port during the period from 1994 to 2003. And to analyze and establish the preventive measure we have employed an advanced 6sigma DMAIC technology presently in spotlight as the best tool for management innovation. For the purpose of effective safety management of cargo handling in port, this thesis will help to revise and establish the law, system, standard, and standard working manual with respect to the port loading and unloading system. Now frequency of cargo handling accidents in port is highest for the second time among all industries, so we proposed the new safety management system to substitute port safety committee and to take full charge of safety in Ministry of Maritime Affairs and Fisheries.

We analyzed the questionnaire survey for the current maintenance of Incheon port's loading and unloading equipments and the possibility of TPM(Total Productive Maintenance) application. Results of the survey indicated that the current maintenance of Incheon port's loading and unloading equipments was not good. So we suggest TPM as the future maintenance methodology of equipments. Using TPM to the loading and unloading equipments we will expect to improve the productivity of the loading and unloading operation and to increase the life time of equipment. And also it will raise the safety of Incheon port.

Today the usage of DB already becomes an important issue for many companies' survival. Especially, the companies which have adopted CRM could not gain the return to be expected because of the lack of understanding about the relationship with customers. Professor Schmitt introduced 'the complete CEM(Customer Experience Management) model', but no specific methodology for analysis was introduced. Therefore, in this study we use HOQ, GA, and ANP to build 'the complete CEM model' and present the integrated CEM model based on the integrated analytic process to help the company's decision about the stage to be begun first out of 5 stages of CEM and the priorities of investment in customer experiences.

We applied the TPM to loading and unloading equipments of Incheon port and compared with the current maintenance of Incheon port's equipments. Also we analyzed the death disaster causes of equipments and work tools and suggested TPM techniques as a plan of disaster prevention. Using TPM to the loading and unloading equipments we expect to obtain the breakdown zero, defective zero, and disaster zero. And then it should raise the productivity of harbor loading and unloading equipments.

The most important thing in the garments enterprises is fast reaction. Expecially in the China has both many population and large territory, so each region of China, for instance, northeast, northwest, huanan, huabei, has various climate and considerably different temperature. As a result China garments enterprises require different clothes at the same time. This study build a reliable market-response process as a sub module of SCM that lay emphasis on production and sale cope with specific character of China. This process build a information chain including manufacture-planning, manufacture-ordering, production, arrivals of goods, distribution, sale, sale-evaluation, cross shipment, supplement shipment, and ordering popular goods and similar products. As a result of those, the focused points of this process are real time data gathering and various analysis of data, so it can be possible supporting more faster and more accurate market decision making system and our proposed goal is accomplishment of management profit.

This paper proposes statistically designed experiments which provide a proactive means to implement safety and environmental applications. Minimal experimental designs such as fractional factorial design, Plackett-Burman design, Box-Behnken design are economical and can be achieved tremendous savings with relatively few experiments. These experimental designs and analysis methods are illustrated with cases.

Line capacity calculation has been used to determine optimum efficiency and safe train service for train scheduling plan and investment priority order throughout detecting bottleneck section. Because of some problems of Yamagisi and UIC methods for line capacity calculation, developing of the method of line capacity caculation and evaluation for the Korea circumstance is important. This paper deals with the reliability improvement on the integrated system of TPS(Train Performance Simulator), PES(Parameter Evaluation Simulator), LCS(Line Capacity Simulator) and simulation and sensitivity analysis for line capacity.

This paper is to propose various safety design models of tolerance specifications with different consumer requirements. In these models, tolerance specifications can be jointly determined by considering all the stochastic, economic, robust and engineering safety design factors with various characteristics of interest. In this paper, the proposed models are easily formulated for design engineers.

빌딩골조 구조물의 구조설계는 시스템, 서브시스템, 기본 부재의 여러 설계 단계에 걸쳐서 복잡하게 진행된다. 여러 가지 설계 대안들을 고려하고 비교하여 선택하는 작업을 설계과정에서 행하게 되고, 최종적으로 한 가지의 구조시스템과 이와 관련한 서브시스템 및 기본 부재들을 결정해야 한다. 빌딩골조 구조물을 위한 컴퓨터 통합시스템을 구축하기 위해서는 이러한 설계과정을 정형화하여 표현하는 것이 필요하다. 본 논문에서는 시스템, 서브시스템, 기본 부재 단계에서의 설계과정을 표현하기 위한 개체형 통합설계모델의 프로세스 개체들을 소개한 후에 각각의 프로세스개체 내의 설계흐름을 기술하였고, 세 가지 설계 단계에 걸쳐 있는 많은 프로세스 개체간의 설계흐름을 제어를 하기 위한 개념을 설명하고 있다. 프로세스 개체간의 제어는 어떠한 개체내의 프로세스가 끝났는가를 파악하여 구조설계를 완료하는데 필요한 모든 개체의 프로세스가 끝났는가를 확인하기 위함이다. 이러한 프로세스 제어의 개념은 빌딩골조의 구조물을 위한 컴퓨터 통합시스템의 개발에 이용될 수 있다.

The existent system of management for Measurement of Safety Cost are not effective because of the data loss and time loss and occurrence of errors through manual calculation. Therefore, tile development of the software for measurement of safety cost can solve the problem through the systematic calculation for safety cost and converting the related data to database, and also can build the strategy of the investment of Safety cost through analysing and comparing with the past data in the database. As a part of development of the software of Measurement of Safety Cost which is appropriate for the domestic environment, this study is developing a software based on Noguji method, which is one of the methods of Measurement of Safety Cost, and to appraise the efficiency of the management of Measurement of Safety Cost we will implement and improve the software in the case of the domestic enterprises.

The dynamic response characteristics with flexibility variations are examined for presenting the basic data for design of Tension Leg Platforms(TLPs)in waves. A numerical approach is based on the dynamic response analysis theory, in which the superstructure of TLPs is assumed flexible instead of the rigid body assumption used in two-step analysis method. The hydrodynamic interactions among TLP members, such as columns and pontoons are not included in the motion and structural analyse. The equations of motion of a whole structure are formulated using element-fixed coordinate systems which have the origin at the node of the each hull element.

알파미분이 흰떡의 품질특성에 미치는 영향을 살펴보기 위하여 각 첨가량별(0, 25, 35, 45%) 이화학적 특성을 살펴보았다. 흰떡의 호화도는 조리 전의 무첨가구의 경우 5.75%에서 첨가 후 12% 이상으로 증가하였고, 조리 후의 경우에도 무첨가구 52%에서 첨가구 85% 이상으로 크게 증가하였으며, 색도의 경우는 알파미분을 첨가함으로써 명암도가 증가하였으나 함량에 따른 시료간 유의차는 보이지 않았다. 알파미분을 첨가하여 제조한 흰떡의 조리 전 경도는 무첨가구에 비하여 첨가하였을 경우 전반적으로 높은 값을 나타내었으며 조리 후의 경우에도 비슷한 경향을 나타내었다. 냉동저장 후 조리한 경우에는 알파미분 첨가에 따른 효과는 나타나지 않았다. 조리특성 실험에 있어서는 알파미분 첨가구의 경우 냉장, 냉동저장구 모두 무첨가구보다 조리중 수분흡수율이 높았다. 알파미분을 첨가하여 제조한 흰떡의 미세구조를 주사전자현미경으로 관찰한 결과 알파미분을 첨가한 경우 무첨가구에 비하여 내부 구조가 속성 복원력을 갖도록 변화되었음을 알 수 있었다.

Ursolic acid, triterpenoid compound has been shown to stimulate osteoblast differentiation and enhance bone formation. In the present study, we examined the effects of similar triterpenoid compounds, oleanolic acid (OA) and its derivatives, such as oleanolic acid acetate (OAA) and oleanolic acetate methyl ester (OAM) on the bone formation in MC3T3-E1 osteoblast cells. We determined cellular proliferation, alkaline phosphatase (ALP) activity, mineralization, and expression of osteoblast specific genes and mitogen activated protein kinase phosphorylation. Treatment of 0.1-10μm OA, OAA, and OAM increased cellular proliferation, but not significantly increased as compared with dimethyl sulfoxide (DMSO). OA, OAA, and OAM at 5uM concentration enhanced ALP expression, mineralization, and osteocalcin (OCN) mRNA level. In conclusion, OA and its derivatives stimulated the osteoblast differentiation by increasing ALP, mineralization, and OCN mRNA expression. However, there were no significantly difference on osteoblast differentiation among treatment of OA, OAA, and OAM.

오늘날 해운산업분야에서 선박관리업의 역할과 중요성은 날로 확대되고 있다. 과거 해운경기의 불황을 거치면서 다수의 해운선사들은 비용의 상승 및 선원의 공급 불안정 등의 이유로 선원관리 분야의 아웃소싱을 시도하게 되었다. 이에 따라 해운산업에서도 분업화와 전문화가 활발해지면서 국내외 선박관리기업의 경쟁이 심화되고 있다. 경쟁시대에 생존을 위해서는 국내외 해운산업의 환경변화 및 선박관리업의 현황에 대한 정확한 이해와 경쟁력 제고를 위한 요인의 파악이 시급하다. 본 연구에서는 의사결정문제를 다루는 방법으로 다양한 대안 중에서 최적의 선택대안을 도출할 때 사용하는 계층분석적 의사결정방법(AHP)를 사용하여 우리나라 선박관리기업의 경쟁력 요인 우선순위를 도출하고자 한다. 분석 결과 선박관리업의 기업경쟁력 평가 요인에서 가장 중요하게 고려해야 할 사항은 인적자원 요인으로, 이것은 우수한 선원의 학보와 우수한 해기품질을 가진 육상의 관리요원을 확보하는 것이 중요하다는 것을 알 수 있다. 본 연구는 기업경쟁력에 관한 이론을 정립하는데 기여하며, 특히 선박관리기업의 경쟁력 요인을 도출함으로써 선박관리기업의 경쟁력 제고를 위한 경영전략 수립에 기여할 것으로 판단된다.

본 논문은 통합채광시스템의 동력학 해석을 다루고 있다. 통합채광시스템은 채광선, 수직양광관, 중간 저장 장소인 버퍼, 유연관, 자항식집광기로 구성되어 있다. 자항식집광기와 버퍼는 6자유도의 강체로 가정하였으며, 수직양광관과 유연관의 동적거동 해석을 위해 집중질량 매개방법을 이용한 이산화 모델을 적용하였다. 채광선에 대한 운동은 포함시키지 않았지만 경계조건을 통하여 채광선의 움직임을 표현하였다. 연약한 해저면을 주행하는 차량에는 연약지반 역학 모델을 적용시켰다. 수직양광관-버퍼, 버퍼-유연관, 유연관-자항식집광기의 연결에는 회전구속과 볼 구속조건을 사용하였다. 연성 동력학 모델의 운동방정식을 유도하기 위해 국부좌표계를 사용하였으며, 4개의 오일러 매개변수를 사용하여 각 시스템의 자세를 표현하였다. 통합 채광시스템의 운동 방정식 해를 구하기 위해서 증분-반복법을 적용하였으며, 시간영역 적분기는 newmark-β를 사용하였다. 통합 채광시스템의 동적 거동 해석을 수치해석을 통해 분석하였다.

대양 항행하는 거의 모든 선박에서 항해사를 지원하기 위해 선박의 회두각 유지 및 변침을 목적으로 사용되는 일반적인 자동조타기는 대부분 PID형 제어기가 장착되어 있다. 선박 자동조타기의 제어기 계수는 운항 경제성 관점에서 선박의 추진 에너지 손실량(연료소비량)으로써 평가해야 한다. 본 논문에서는 선박 자동조타기의 정량적인 평가함수를 바탕으로 추진 에너지 손실량이 최소가 되도록 자동조타기의 제어이득을 구하고자 한다. 이 때 제약조건, 즉 설계사양을 고려한 RCGA를 이용하여 제어이득의 탐색을 실시하고, 시뮬레이션을 통해 제안한 방법을 검증한다.