• 제목/요약/키워드: cost estimation

검색결과 2,164건 처리시간 0.034초

공장 자동화에 관한 소고 : 그룹 테크놀로지를 이용한 생산원가 추정 (A Bit of Factory Automation : Manufacturing Cost Estimation Using Group Technology)

  • 이성렬
    • 대한산업공학회지
    • /
    • 제15권2호
    • /
    • pp.77-86
    • /
    • 1989
  • A fully automated cost estimation system(FACES) has been developed. Since speed, accuracy, and consistency are essential factors in automating a cost estimation, the use of computers in cost estimation system(CES) has grown rapidly in the last few years. FACES is a micro computer based cost estimation system that employs a manufacturing knowledge base. A Group Technology(GT) based part classification and coding(C&C) scheme is used to automate the process planning aspects of cost estimation. Variant process planning methods are employed to generate workstation routings from form features of the part. The system has been tested for an assembly of six machined parts. Results indicate that the system could provide a substantial improvement in accuracy, productivity, and performance over the more traditional full dialog approach to cost estimation. It also provides a good foundation for a factory automation by using a common GT based database through design to production.

  • PDF

기업의 특성과 정보시스템 비용산정모델 선호도의 관계연구 (A Study on the Relationship between Firm Characteristics and Information System Outsourcing Cost Estimation Model Preference)

  • 박진수;김현수
    • Journal of Information Technology Applications and Management
    • /
    • 제10권3호
    • /
    • pp.75-92
    • /
    • 2003
  • In order to investigate IS(Information Systems) outsourcing cost estimation model preference of firms, this study reviews previous literatures on outsourcing and firm characteristics. The relationships between firm characteristics and IS outsourcing cost estimation model preference are analysed. Four major factors of firms characteristics are found and classified. IS outsourcing cost estimation model with SLA are found to have a strong relationship with organizational culture. Future research will be needed to verify the result of this exploratory study.

  • PDF

공학적 접근을 통한 해체비용 산정 프레임워크에 대한 고찰 (A Study on Decommission Cost Estimation Framework with Engineering Approach)

  • 이선기
    • 시스템엔지니어링학술지
    • /
    • 제8권2호
    • /
    • pp.57-67
    • /
    • 2012
  • It is the sensitivity and confidentiality of nuclear power plant decommissioning cost that prevent detailed cost information to be released to the public, which causes some limitation to analyze and reuse the costs. This limitation to access cost information means that the lessons learned from preceding cost estimating may not systematically feed back into following cost estimates. As an alternative, decommissioning cost estimation framework is indispensable to reflecting available experience and knowledge for decommission costs. This study provides the cost estimation framework including data flow and structuralization based on engineering and bottom up approach to enhance decommissioning cost estimation.

획득 프로세스를 고려한 소프트웨어 비용 산정방안 (Software Cost Estimation Considering Acquisition Process)

  • 송영일;이길섭
    • 한국정보시스템학회지:정보시스템연구
    • /
    • 제14권2호
    • /
    • pp.173-189
    • /
    • 2005
  • Recently, Korean software industry has enjoyed fast growth, thus phenomenon drew attention to the need for more precise and standardized cost estimation system for software development. However, many obstacles exist in achieving a more precise and universally applicable cost measurement. These obstacles include : (1) the intangible nature of intellectual efforts, (2) lack of cost standards, (3) lack of quantitative yardstick to determine the potential complication, (4) lack of both cost monitoring during development and coordinating between acquisition process and cost estimation. The purpose of this study is to facilitate software development cost estimation considering acquisition process that will meet korean user's needs, and to create better models that will be cost for software development particularly for Korean environment.

  • PDF

정규화를 통한 3차원 데이터 모델 구축 및 활용성 향상 방안 연구 -건축 마감 공사 중심으로 - (A Study on 3D Data Model Development by Normalizing and Method of its Effective Use - Focused on Building Interior Construction -)

  • 이명훈;함남혁;김주형;김재준
    • 한국디지털건축인테리어학회논문집
    • /
    • 제10권3호
    • /
    • pp.11-18
    • /
    • 2010
  • Cost estimation through fast and correct quantity take offs are crucial in the process of construction project. The existing methods for cost estimation are mainly based on 2D-based drawings and the estimation result tends to be different according to the estimator's experience, the quality and quantity of used information and estimation time. To solve these problems, the domestic construction industry have recently tried to use the data extracted from 3D data modeling based on BIM(Building Information Modeling) in order to achieve more accurate and objective cost estimation. However it tends to increase dramatically the quantity of information that can be used in cost estimation by estimators. Therefore in order to achieve quality information data from 3D data modeling, the characteristics of the project should be reflected on the 3D model and it is most important to extract information only for cost estimation from the whole 3D model fast and accurately. Thus this study aims to propose the 3D modeling method through Data Normalization which maximizes the usability of 3D Data modeling in cost estimation process.

투입노력 양에 기반한 소프트웨어 유지보수 비용산정 모형 (A Software Maintenance Cost Estimation Model based on Real Maintenance Efforts)

  • 정은주;유천수
    • Journal of Information Technology Applications and Management
    • /
    • 제19권2호
    • /
    • pp.181-196
    • /
    • 2012
  • The cost of software maintenance occupies about two thirds in the software lifecycle. However, it is not easy to estimate the cost of software maintenance because of various viewpoints about software maintenance, unclear estimation methods, and complex procedures. Until now, the cost estimation model has used compensation factors for software characteristic and environment on the basis of program size. Especially, most of existing models use maintenance rate of total software cost as a main variable. This paper suggests the software maintenance cost estimation model that uses the result of calculating real maintenance efforts. In this paper, we classify functional maintenance and non-functional maintenance as software maintenance activity type. For functional maintenance, present function point of target software is needed to evaluate. The suggested maintenance cost evaluation model is applied to a software case in public sector. This paper discusses some differences between our model and other modes.

건설신기술품셈 유형분류에 관한 연구 (A Study on the Classification of Standard of Cost Estimation in Construction New Excellent Technology)

  • 안방률;태용호;백승호
    • 한국건축시공학회:학술대회논문집
    • /
    • 한국건축시공학회 2013년도 춘계 학술논문 발표대회
    • /
    • pp.249-251
    • /
    • 2013
  • The government has applied the Construction New Excellent Technology Endorsement System to enhance national competitiveness and advance domestic construction technology since 1989. Nevertheless, It's application hasn't been expanded to overall construction industry, due to insufficient verification of the cost effectiveness. So, the government has established the standardized cost estimation guideline to verify the cost effectiveness in 2011. This research classified the technology group based on 27 cases of the cost estimation reports to increase understanding of the cost effectiveness of the new excellent technology. It is expected to contribute establishing reasonable and feasible cost estimation standards.

  • PDF

비보험비용의 정량적 산출방안에 관한 연구 (A Study on Quantitative Estimation of Uninsured Cost)

  • 이태영;이종빈;장성록
    • 한국안전학회지
    • /
    • 제24권5호
    • /
    • pp.69-76
    • /
    • 2009
  • The estimation of costs from industrial accidents is very important because they have a serious effect on individuals, companies, and nation. The department of labor estimates the cost of accidents by using the "Heinrich" method. From that method, the scale of accident cost can be approximately computed, but accurate calculation of uninsured cost is not easy. Therefore, a better method of calculating uninsured cost caused by industrial accident is necessary. This study aimed to construct an estimation method of uninsured cost according to domestic circumstances. The results of this study are as follows: (1) This study derived applicable factors for quantitative estimation of industrial accident cost (2) This study made the equation that the calculation of each item of uninsured cost was possible (3) This study applied the uninsured cost by degrees of disaster to individual items (4) The subjects and types of occurrence in uninsured cost were analyzed and presented. Theses results will provide a basis for further researchers of uninsured cost.

원자력연구시설 해체비용 산정 구조 (A Framework of Decommissioning Cost Estimation for Nuclear Research Facilities)

  • 정관성;이동규;이근우;오원진;정종헌;박진호
    • 방사성폐기물학회지
    • /
    • 제4권2호
    • /
    • pp.171-178
    • /
    • 2006
  • 해체비용 산정은 원자력시설에 대한 해체 설계 및 계획 수립하는 데 중요한 기술이다. 해체비용 산정은 해체활동 단계와 해체시설의 구성요소에 맞게 해체작업을 분류하여 계산을 해야 한다. 본 논문에서는 원자력연구시설 해체비용 산정 기술로 이용하기 위하여 해체비용항목 및 그룹의 구성요소와 해체대상물에 대한 작업시간 계산의 기준이 되는 단위비용 인자 구성요소를 도출함으로써 해체비용 산정에 필요한 기본 구조를 완성하였다. 또한 주요 해체활동 및 작업에 대한 비용 산정 시 구성요소에 대한 고려사항을 살펴보았다. 향후, 이러한 기법을 이용하여 원자력연구시설에 대한 해체비용 산정 및 평가 방법론을 확립하는데 기본 기술로 활용할 예정이다.

  • PDF

예정가격 결정요인에 관한 연구: 방산물자를 중심으로 (An Empirical Study on Determining Factors of estimation cost: Focused on Defense Goods)

  • 송영일;김동욱;심숙화
    • 한국국방경영분석학회지
    • /
    • 제37권1호
    • /
    • pp.99-118
    • /
    • 2011
  • 국가를 당사자로 하는 계약에 관한 법률에 따라 계약담당공무원이 예정가격을 결정할 때는 거래 실례가격, 원가계산에 의한 가격, 감정가격 등을 기준으로 계약수량, 계약이행 기간, 수급상황, 계약이행의 난이도, 계약 조건 및 기타 제반여건을 참작하여 부당하게 감액하거나 과잉 계산되지 않도록 하여야 있다. 그러나 예정가격 제도가 계약담당공무원의 감사대비용으로 사용되는 등 국가계약법상의 목적과 다르게 결정되고 있다. 본 연구에서는 예정가격에 영향을 미치는 요인들을 식별하여 실증분석을 수행하였다. 본 연구의 결과는 바람직한 예정가격 제도의 정착을 위한 토대가 될 것으로 기대된다.