• 제목/요약/키워드: Cost Evaluation

검색결과 3,458건 처리시간 0.04초

IDEA모델을 이용한 지방병무청 운영효율성 평가 (An Evaluation of the Operational Effectiveness of the Local Military Manpower Administrations Using IDEA Model)

  • 이재영
    • 경영과학
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    • 제22권1호
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    • pp.1-13
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    • 2005
  • This paper proposed a quantitative evaluation method to measure the operational effectiveness of the local military manpower administrations. The proposed method compared the relative operational effectiveness level for 12 local military manpower administrations in Korea.. The method used the IDEA (imprecise Data Envelopment Analysis) model which Is able to measure relative operational effectiveness level, and also used two input variables (labor cost, operational cost) and three output variables (number of military applicants, number of civil application approved & processed, management accuracy level). Through the model output analysis, we presented the relative effectiveness scores, the reason for non-effectiveness, and the relationship between non-effective ness level and input/output variables for each local military manpower administration. We also presented a few recommendations how to improve the effectiveness level on particular local military manpower administration.

Precast Concrete Panel을 사용한 슬라브궤도 시험시공에 대한 평가 (Evaluation for the Test Installation of Slab Track by Using Precast Concrete Panels)

  • 김순철;공선용;강정옥;이종민;한광섭
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2004년도 춘계학술대회 논문집
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    • pp.1071-1077
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    • 2004
  • This paper is presenting the performance evaluation on the installed concrete panels. As a result of the evaluation, the resistance to track displacement of temporary support structure was improved and it resulted in the improvement of work stability during installation. And, by the application of new technology and the saving of concrete consumption, both workability and cost were improved and, therefore, the shorter project period and cost saving can be expected. Furthermore, as a result of noise & vibration measurement at site, it has shown good effects of anti-noise and anti-vibration. In conclusion, this process was proved as very effective for track improvement.

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확정적 경우의 유연생산시스템 성능평가방법 (FMS Performance Evaluation Method of Deterministic Model)

  • 황규완;배홍석
    • 산업경영시스템학회지
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    • 제19권37호
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    • pp.71-85
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    • 1996
  • There are studied on the evaluation of flexibility and design/operation of FMS. However. a new method that can assess the performance of FMS is propose in this study. To evalute the performance of an FMS the ordinary for total cost is not applied. Instead, a specially developed cost function is used to measure the performanced of proposed systems. The procedure is developed for deterministic variables cases. An FMS can produce various products systematically under computer control the evaluation of an FMS operation is not a simple task. The proposed procedure is done through computer simulation due to the complicated nature of the problem. A simulation model is developed using SIMAN and FORTRAN for practical application.

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각 지역별 확률론적 신뢰도 평가에 관한 연구 (A Study on Nodal Probabilistic Reliability Evaluation at Load Points)

  • 김홍식;문승필;최재석;차준민
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2001년도 하계학술대회 논문집 A
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    • pp.206-209
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    • 2001
  • This paper illustrates a new method for reliability evaluation at load points in a composite power system. The algorithm includes uncertainties of generators and transmission lines as well as main transformers at substations. The CMELDC based on the new effective load model at HLII has been developed also. The CMELDC can be obtain from convolution integral processing of the outage capacity probabilistic distribution function of the fictitious generator and the original load duration curve given at the load point. The CMELDC based on the new model at HLII will extend the application areas of nodal probabilistic production cost simulation, outage cost assessment and reliability evaluation etc. at load points. The characteristics and effectiveness of this new model are illustrated by a case study of a small test system.

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냉방열원기기의 경제성 평가를 위한 간이계산법의 적용성 검토 (Validating the Applicability of a Simplified Correlation Method for Economic Evaluation of Cooling Plants)

  • 김영섭;김강수
    • 설비공학논문집
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    • 제14권10호
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    • pp.854-862
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    • 2002
  • In the previous research, a simplified correlation method was developed as an easy prediction tool for comparing energy use of cooling plants. The purpose of this paper is to test the applicability of this method for economic evaluation with two zones of a 20-story commercial building in Seoul. The results of this method were compared with the DOE-2 simulation and actual measured data. Then, Comparisons of life cycle cost were carried out for three types of cooling plants. Testing of one zone showed good agreement of within 10% error in cooling energy use and within 2% error in LCC. But testing of the other zone indicated that the use of this method were invalid when input variables were used beyond its valid range.

반복 측정이 가능한 인라인 측정시스템의 안정성 평가 (Stability Evaluation of In-Line Measurement System with Repeated Measurements)

  • 정수호;변재현
    • 대한산업공학회지
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    • 제30권1호
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    • pp.36-43
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    • 2004
  • In-line measurement systems are preferred to those in analytical laboratories, since in-line systems provide rapid response to process upsets. If an in-line measurement system exhibits an unstable variation and if this instability in measurement variation goes undetected, it will make the process monitoring procedure invalid. This paper presents a stability evaluation procedure for the in-line measurement system using two independent readings from the in-line measurement system and one reading from the analytical laboratory, which requires less measurement cost and time.

Quantitative Evaluations on the Query Modeling and System Integrating Cost of SQL/MDR

  • Jeong, Dong-Won;Kim, Young-Gab;In, Hoh-Peter
    • ETRI Journal
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    • 제27권4호
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    • pp.367-376
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    • 2005
  • SQL/MDR is a metadata registry query language used to consistently exchange and share the data between distributed metadata registries. It is an extension of the international SQL and is familiar to most database builders and administrators. It provides many advantages such as simplicity of query language, ease of use, an independent description for distributed querying, low cost for adding new systems, simplicity of exchanging mechanism, and so on. The goal of this paper is to evaluate and show its merits quantitatively. To achieve this goal, we define simulation models to compare with an existing approach and then describe the evaluation results. In the quantitative evaluation results, the good points of SQL/MDR can be identified and known.

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연속간행물 평가에 관한 연구 - KINITl 소장 연속간행물을 대상으로 - (A Study on Evaluation of Serials : The Case of KINITI)

  • 신경호
    • 정보관리연구
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    • 제29권4호
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    • pp.23-43
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    • 1998
  • 본 고는 연속간행물 평가방법의 종류와 사례를 살펴보고, KINITl 소장 연속간행물을 이용자의 의견조사법과 비용대효과 분석법을 택하여 평가함으로써 연속간행물 평가시 하나의 지침이 될 수 있는 방법론을 제시하며, 핵심잡지의 성격을 규명함으로써 신규 연속간행물 선정에 참고할 수 있는 자료를 제공하고자 한다.

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HVDC 케이블 평가방법 연구 (Study on the Evaluation Methode of HVDC Cable)

  • 안용호;장태인;정길조;유희영;김정년;전승익;한병성
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2005년도 하계학술대회 논문집 Vol.6
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    • pp.229-231
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    • 2005
  • HVDC(High Voltage Direct Current) is an underwater cable between Jeju Island and Haenam in main land and supplies approximately 50% of electrical usage in Jeju Island. If there is any power failure due to HVDC, it will cost approximately 50,000 US dollars per day including Thermal Electrical Generation. Therefore it is absolutely necessary to recover the problem in rapid timely basis. In conclusion, evaluation methode of HVDC cable is needed urgently to upgrade current HVDC underwater cable repair technique in Korea to minimize the cost and time factors.

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환경친화형 농촌화장실의 적용가능성 평가 연구 (Evaluation of Application possibility of Environment-friendly Rural Toilet)

  • 강방훈;조순재;김상범;김혜민
    • 농촌계획
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    • 제9권2호
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    • pp.7-11
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    • 2003
  • This study was conducted to evaluate the application possibility of environment-friendly rural toilet developed by NRLSI (National Rural Living Science Institute). The evaluation tests of rural toilet consist of composting efficiency, component analysis of odor, and economic efficiency. The test showed that the remaining quantity of wastes was only 14.7% during 10 months. The ammonium gas, main component of ill odor, was not measured, and the other components or odor were significantly detected less than those in pit toilet. The saved PVC (Present Value Cost) of the toilet management cost for thirty years is about 2,457,000 wons compared with flushing toilet supported by a single sanitation facility.