In this paper, we propose a systematic procedure to determine standard time and cycle time in a TFT-LCD factory. The proposed procedure mainly consists of data preprocessing, hypothesis testing and Group technology. Data preprocessing extracts relevant da

We have constructed a database of Korean historical astronomical records. The database contains observational data recorded from BC 2183 to AD 1910. We have also built a webpage for searching through the database based on the following criteria: (1) dynasties (2) astronomical phenomena (3) reigning kings (4) references (5) keywords. Users may select two or more dynasties to search through the database for a certain phenomena, and compare data with those of other dynasties. The queried data can be primarily sorted by one critetion, and secondarily sorted by another, each in ascending or descending order. The search results give dates both in Solar and Lunisolar calendars, years and dates in Sexagenary cycle, dynasties, reigning kings, astronomical phenomena, and references. The database and webpage were constructed under the research project of the Korean Astronomical Data Center (KADC, http://kadc.kao.re.kr) in Korea Astronomy Observatory (KAO).

A high performance computing cluster for astronomical computations has been built at Korea Astronomy Observatory. The 64 node cluster interconnected with Gigabit Ethernet is composed of 128 Intel Xeon processors, 160 GB memory, 6 TB global storage space, and an LTO (Linear Tape-Open) tape library. The cluster was installed and has been managed with the Open Source Cluster Application Resource (OSCAR) framework. Its performance for parallel computations was measured with a three-dimensional hydrodynamic code and showed quite a good scalability as the number of computational cells increases. The cluster has already been utilized for several computational research projects, some of which resulted in a few publications, even though its full operation time is less than one year. As a major resource of the K∗Grid testbed, the cluster has been used for Grid computations, too.

국민소득 증가에 따라 고급해산물의 수요가 늘어나고 있으며, 어패류 및 해조류를 포함하는 양식어업은 국내어업에 대한 총수입중 50.6%를 차지하고 있는 어가의 주 소득원 중의 하나이다. 최근 국내어장에서 불규칙하게 발생하는 어패류 도난사건의 피해액은 매년 건당 수십만에서 수천만원 이상으로 증가하고 있는 실정이다. 본 연구에서는 국내 영세어가에 적용할 수 있는 양식어장 보호를 위한 레이더 감시시스템의 모델을 제안하고, 시스템의 구축방안을 제시하였다. 국외에서 양식어장보호 감시시스템이 개발된 바가 있지만 구축비용이 고가이므로 국내 영세어가에 적용하기에는 어렵다.

The purpose of this study is to implement web-based quality cost management system to measure the performance of quality Improvement activities in the business firms. Developed WQCMS(Web-based Q-Cost Management System) have ability to collect and analyze

Since ISO 9001 quality system was established In 1987, many companies have adopted It for assuring the quality of their processes Not only manufacturing companies but service industries such as hospitals, armies, educational Institutes, banks are now impl

Construction industry became huge and complicated as the time went by. It has been so rapidly developed that the construction companies can not survive in the market if the higher technology and scientific approach are not applied. Especially in the field of construction management, it started from the schedule control which simply monitored the work progress, but now it was changed to the integrated construction management covering analysis and forecasting, projected and actual performance management, impact on the project, etc. However, even the integrated construction management has a limit due to the uncertainty arising out of fast track which is a major characteristic of construction industry. So, to minimize the risk of uncertainty, a new concept so-called 4-D CAD system was recently introduced. 4-D CAD system has been applied to design, construction and construction management. The system combines the 3-D CAD system with time management technique that makes it possible to establish the management system with a concept of space, materialize the potential risks, and introduce the life-cycle concept in the whole process covering project initiation, design, construction, completion, commissioning, etc. This paper introduces the 4-D CAD system, reviews the effect and problem arising when applying the system into actual job sites, studies the usage of the system in connection with the conventional construction management system and any improvement, and eventually proposes the method of improving the construction management in domestic projects and of leveling up the construction management technique.

This paper addresses the financial performance effect according to the implementation of SCM packages. Eight financial performance measures were selected based on the literature review. KIS-FAS2004 data on the fifteen companies that implemented SCM packages before December, 2003 were collected to test the effect of SCM implementation. The obtained experimental results show that there are some differences on financial performance measures between before and after the SCM implementation.

A company wishes to obtain a competitive edge by adopting an efficient logistics information system to control the logistics management process. The elements of the competitive edges a company targets are to maintain good quality, reduce cost and on-time delivery and those competitive edges are closely related to the cycle time of a product. The logistics information system in a company is also closely tied with other business activities than the logistics itself. Therefore it is essential to choose a system that will help rationalize the logistics but also overall business operations along the supply chain from manufacturing to distribution of the products. This paper aims to research and analyze a problem with a logistics information system through case study and to suggest a logistics information system with RFID in place adopted to eliminate problems such as damages, loss and defect rates.

The compatibility of the enterprises of Korea was the 'low cost and mass production＆apos;. That in because, the entire business transactions including production, accounting, personnel management, and logistics need to be integrated with a global perspective. Logistics information system is to support the management of such logistics activities and involves in a wide range of the business operations. In other words, the logistics information system is 0 accurately and rapidly deliver and process the information available for the logistics in order to promote more smoother and efficient logistics by using such information. I'll give a brief introduction to the SRM(Supplier Relationship Management) system and go into the problem that should be considered and which phase to emphasize when building this system.