• 산업공학
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• 제14권1호
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• pp.9-19
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• 2001

Production planning and control system plays an important role in manufacturing companies because it determines all production capacity planning, material procurement planning, and production scheduling which are needed in the process of producing products. Many researches on production planning and control system have been conducted for many manufacturing companies for recent decade. But, a considerable research achievement has mainly been obtained on the forecast-driven production for a make-to-stock and an assemble-to-order. The reason is that there are some hardships such as difficulties of standardizing product information, the frequent changes of design and material, and the unexpected dynamic events that influence the production of customer's order in a make-to-order or an engineering-to-order environments. By these characteristics and their complexities, some studies for production planning and control system in a make-to-order environment are presented recently. In this paper, we present the framework of the hietachical production planning and control for a make-to-order environment with dynamic events. In order to illustrate the usefulness of the proposed framework for a hietachical production planning and control, the information system for a make-to-order production was implemented with the object of the company of producing electricity transformer.

• 대한원격탐사학회지
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• 제18권5호
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• pp.263-271
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• 2002

Recently, spatial information technologies using remotely sensed imagery and functionality of GIS (Geographic Information Systems) have been widely utilized to various types of transportation-related applications. In this study, extraction programs of some practical indices, to be effectively used in transportation reference planning problem, were designed and implemented as prototyped extensions in GIS development environment: traffic flow estimation (TFL/TFB), urban rural index (URI), and accessibility index (AI). In TFL/TFB, user can obtain quantitative results on traffic flow estimation at link/block using high-resolution satellite imagery. Whereas, URI extension provides urban-rural characteristics related to road system, being considered one of important factors in transportation planning. Lastly, AI extension helps to obtain accessibility index between nodes of road segments and surrounding district areas touched or intersected with the road network system, and it also provides useful information for transportation planning problems. This approach is regarded as one of RS-T (Remote Sensing in Transportation), and it is expected to expand as new application of remotely sensed imagery.

• 한국정밀공학회지
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• 제14권10호
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• pp.75-84
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• 1997

This paper describes the development of an integrating method for process planning and scheduling activities for block assembly in shipbuilding. A block is composed of several steel plates and steel sections with the predetermined shapes according to the ship design. The parts which constitute the block are manufac- tured by cutting and/or bending operations, which are termed as machining operation in this paper. The machining operation is the first process for block assembly which influences the remaining block assembly processes. Thus process planning and scheduling for machining operation to manufacture parts for block are very important to meet the assembly schedule in the shipyard. An integrating method for process plan- ning and scheduling is developed by introducing the concept of distributed process planning and scheduling composed of initial planning, alternative planning and final planning stages. In initial planning stage, nesting parts information and machining emthods are generated for each steel plate. In alternative plan- ning stage, machine groups are selected and workcenter dispatching information is generated. In final planning stage, cutting sequences are determined. The integrated system is tested by case study. The result shows that the integrated system is more efficient than existing manual planning system.

• 대한공간정보학회지
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• 제1권2호
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• pp.207-221
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• 1993

단지조성(주택단지 또는 공업단지)의 각 단계별로 설계의 기본이 되는 자료의 성격을 분류한 후 단지조성업무의 전산시스템화를 위한 구성모델을 제시하였다. 특히 적지분석 및 토공설계 부분의 전산화와 평가 결과를 통하여 향후 단지조성업무의 효율화에 기여할 것이다.

• 한국조경학회지
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• 제21권4호
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• pp.43-53
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• 1994

This Study is to construct the Activity System Methods of Site Planning and Design. A planned spaces and facilities is considered usually in relation to users of space and facilities, user attributes, needs and values, and activity patterns. Information obtained form this study adds a qualitative dimension to the quantitative emphasis and supplies information for design-oriented analyses of site planning. In the design-oriented aspect, the concern is with devising desirable land use arrangements and facility supply considering objectives defined in the public interest. The design-oriented approache in site planning and design must use information on activity systems and space qualities in defining planning and design requirements of site development-one in the form of principles and standards of design used in land use and facility planning guidelines, and the other form of input variables for land use model and facility supply model.

• 대한안전경영과학회지
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• 제14권2호
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• pp.159-166
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• 2012

As enterprises, based on the forecast of the customer's demand and collaboration with the suppliers, establish the integrated system directing supply, production, and distribution for the increase of productivity, Thus, this study intends to find the most urgent and critical factors for the improvement of the information system by externalizing factors affecting the operation of information system, suggest the process to improve the relevant functions of information system, and design the process. As a result of the analysis of the previous studies on the improvement of the information system, many studies were conducted on the improvement of ERP and SCM, yet there was no study conducted targeting about APS (Advanced Planning & Scheduling). Thus, this study chose APS as the subject for the design of the process for the improvement for the information system.

• Spatial Information Research
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• 제9권2호
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• pp.171-184
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• 2001

현재 진행중인 정보화의 추세 속에서 도시계획 과정에서의 의사결정을 지원하기 위해 다양한 지식기반 공간분석 시스템이 개발되었으나 비구조화된 도시계획 문제의 특성으로 인해 그 적용이 어렵다. 이같은 문제의 해결을 위해 본 연구에서는 사례기반 추론에 의한 공간분석 시스템을 개발하고 이를 택지개발사업시 토지이용계획 과정에 도입하여 그 활용 가능성을 탐색해 보았다. 사례연구를 통한 실험의 결과, 개발된 공간분석 시스템의 적용 가능성이 확인되었다. 그러나 보다 충분한 양의, 건전한 내용의 사례 축적이 병행된다면 더욱 효과적인 추론을 수행할 수 있을 것이다.

• 지적과 국토정보
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• 제48권2호
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• pp.153-170
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• 2018

본 연구는 도시계획정보체계(UPIS)의 활성화를 위해 시스템 및 이용자 현황 분석으로 문제점을 진단하고 개선방안을 도출하는데 목적을 두고 있다. 도시계획정보체계(UPIS)는 공간정보를 도시계획이나 행정 분야에서 활용하기 위해 2003년부터 시범 및 확산사업을 거쳐 전국 지자체에 배포되어왔다. 본래의 목적은 지리정보시스템(GIS)을 이용하여 계획수립을 지원하고 과학적 의사결정을 지원하기 위해 도입되었으나, 현재는 "토지이용규제 기본법"에 근거를 두면서 토지이용과 관련된 지역 지구 등의 지정과 관리에 관한 사항을 주 업무로 하고 있다. 따라서 도시계획정보체계(UPIS)는 법에서 정한 상위 개념인 국토이용정보체계 내 용도지역지구정보의 생산(입안절차) 및 관리를 담당하고 있으나, 그 쓰임에 있어 정체성이 모호하고 활용률이 저조하다는 평가를 받고 있다. 이러한 연구배경에서 본 연구는 (현(現))UPIS 표준시스템의 활성화를 위해 이를 사용하는 수요자를 대상으로 방문 및 설문조사를 수행하여 의견을 취합하고, 4가지 측면(업무프로세스, 데이터베이스, 시스템, 대민서비스)에서 구체적인 개선방안을 제시하였다. 요약하면, 법적 상위 개념인 국토이용정보체계 내 각 개별 시스템들이 존재하나 이들은 모두 유사 또는 동일한 자료를 공유하며 연계된 업무 흐름을 갖고 있으니 도시계획정보체계(UPIS)를 중심으로 업무프로세스를 재정의 하고 이에 따라 데이터의 신뢰도를 향상시킬 수 있도록 DB 현행화 계획을 수립하여야 한다는 것이다.

• Korean Journal of Geomatics
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• 제1권1호
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• pp.61-67
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• 2001

This study aims to develop the Extended Urban Land Information System (EULIS) which can support the sustainable urban management. Although the existing Urban Land Use Information system (ULUIS) that aids the micro-level land use information is a good means for the understanding of urban spatial structure and district-level planning and management (such as urban design, redevelopment planning and district-level transportation planning, etc.), it has some limitations in supplying the information for sustainable urban management, such as environmental and traffic analysis, urban infrastructure's carrying capacity analysis, etc. The EULIS is designed to efficiently supply the information for sustainable urban management. For the successful construction of EULIS, the followings have to be considered. 1) the integration of topographic maps which contain the building's footprints and cadastral maps which contain the parcel's boundary, 2) the integration of EULIS and FM (Facility Management) system for the full utilization of information about capacity analysis of infrastructure, 3) the construction of standardized georeferencing system and spatial unit for the combined use of environment and traffic census data. This study shows 1) why EULIS is needed for the sustainable urban management and which elements are needed for the system,2) the E-R data model for the EULIS, 3) the strategies for the construction of EULIS and 4) the conclusion.

• Radiation Oncology Journal
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• 제11권1호
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• pp.167-174
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• 1993

Recently, stereotactic radiosurgery plan is required with the information of 3-D image and dose distribution. A project has been doing if developing LINAC based stereotactic radiosurgery since April 1991. The purpose of this research is to develop 3-D radiosurgery planning system using personal computer. The procedure of this research is based on two steps. The first step is to develop 3-D localization system, which input the image information of the patient, coordinate transformation, the position and shape of target, and patient contour into computer system using CT image and stereotactic frame. The second step is to develop 3-D dose planning system, which compute dose distribution on image plane, display on high resolution monitor both isodose distribution and patient image simultaneously and develop menu-driven planning system. This prototype of radiosurgery planning system was applied recently for several clinical cases. It was shown that our planning system is fast, accurate and efficient while making it possible to handle various kinds of image modalities such as angiography, CT and MRI. It makes it possible to develop general 3-D planning system using beam's eye view or CT simulation in radiation therapy in future.