• 제목/요약/키워드: plans

검색결과 8,110건 처리시간 0.03초

On the Estimation of Fraction Defectives

  • Kim, Seong-in
    • 품질경영학회지
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    • 제8권2호
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    • pp.3-14
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    • 1980
  • This paper is concerned with the design of an appropriate sampling plan or stopping rule and the construction of estimate for the estimation of process or lot fraction defective. Various sampling plans which are well known or have potential applications are unified into a generalized sampling plan. Under this sampling plan sufficient statistic, probability distribution, moment, and minimum variance unbiased estimate are obtained. Results for various sampling plans can be derived as special cases. Then, under given parameter values, the relative efficiencies of the various sampling plans are compared with respect to expected sample sizes and variances of estimates.

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다단계 기계가공공정의 최적검사계획에 관한 연구 (A Study on optimal Inspection plans in Multi-Stage Machining process)

  • 조재립;황의철
    • 산업경영시스템학회지
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    • 제10권15호
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    • pp.33-38
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    • 1987
  • In establishing Multi-Stage Machining process inspection procedures, however, where costs of inspection md defective products are often directly measurable, a better method for formulating inspection plans is available. If one of the primary interest of a manufacturing concern is to maximize profits, then optimal inspection plans ought to be selected so as to minimize costs. This paper is aimed to find a methodology of optimal inspection planning in Multi-stage Machining process and to develope a proper algorithm.

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Minimum Mean Squared Error Accelerated Life Test Plans for Exponential Lifetime Distribution

  • Joong Yang Park
    • Communications for Statistical Applications and Methods
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    • 제2권2호
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    • pp.13-19
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    • 1995
  • This paper considers model robust accelerated life test plans for estimating the logmean or percentile of product lige which is exponentially distributed. A linear relationship between the log mean life and the stress is assumed as usual, while the true relationship is quadratic. Optimum plans are then obtained by minimizing asymptotic mean squared error of maximum likelihood estimator of the log mean life.

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한전의 송변전분야 연구현황 및 추진계획 (Present Research Conditions and Plans of Transmission and Substation Department in KEPCO)

  • 정길조;권동진
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2000년도 추계학술대회 논문집 학회본부 C
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    • pp.609-612
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    • 2000
  • This paper describes present research conditions and plans of transmission and substation department in KEPCO. We describe an overview of general status of research environment in KEPRI. And we describe the results of the research in 1999, items of the research in 2000 and research plans of the long and short terms in transmission and substation department.

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지식경영 계획 수립 방법론 (A Planning Methodology for Knowledge Management)

  • 정근채
    • 한국경영과학회:학술대회논문집
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    • 대한산업공학회/한국경영과학회 2002년도 춘계공동학술대회
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    • pp.544-551
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    • 2002
  • Tn this paper we propose a systematic methodology for setting up master plans of knowledge management(KM). The proposed methodology is developed based on both the previous KM theories and the experience from industry fields. The methodology is consist of four stages: 1) setting up strategic directions, 2) analyzing the current status, 3) designing KM models, and 4) making KM master plans. We expect that the proposed methodology will be used in the various organizations as an efficient and effective planning tool when setting up master plans of KM.

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Free Cash Flow, Agency Conflicts, and Compensation Plans in a Non-growing Industry

  • Park, Sang-Bum
    • 재무관리논총
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    • 제10권1호
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    • pp.249-269
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    • 2004
  • Free cash flow is known as a typical type of agency conflict between managers and shareholders in a firm. The insurance industry, which is not growing, is particularly susceptible to such excessive cash flow. We herein investigate the effects of stock ownership plans on reducing agency conflicts. We adopt undistributed cash flow to proxy free cash flow, and size, default risk, group membership, leverage, investment opportunity, and stock options are selected as explanatory variables. We find that stock option plans are effective(at a 10% level) in reducing free cash flow.

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A Method in Evaluating Mechanical Design Plans With Fuzzy Theory

  • Faliang, Gao
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 1993년도 Fifth International Fuzzy Systems Association World Congress 93
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    • pp.1163-1166
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    • 1993
  • This paper studies the evaluation of mechanical design plans through fuzzy cluster. Plans are classified into two sets, 'good' and 'bad'. The membership of a plan to the 'good' set is numerically equal to the distance to the 'bad' set. The central parameter of the 'good' set is defined as '1', and that of the 'bad' set '0'. This will greatly simplify calculations. The result of the calculating example proves the method available.

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ISO/DIS 2859-1(1997), 계수조정형 샘플링 검사규격 (ISO/DIS 2859-1(1997), Sampling Plans Indexed by AQL for Lot-by-Lot Inspection)

  • 홍성훈;이상영;최성일
    • 품질경영학회지
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    • 제27권1호
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    • pp.135-150
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    • 1999
  • The second edition of the International Standard ISO/DIS 2859-1(1997) is the revised version of ISO 2859-1(1989). Significant changes in this edition include the following; ⅰ) a new procedure for switching from normal to reduced inspection is used, ⅱ) optional fractional acceptance number sampling plans are added, and ⅲ) reduced plans are changed to eliminate the gap between the acceptance and rejection numbers. In this paper, major changes and additions incorporated into the revised version are discussed.

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와이블 분포에서의 종결형 축차시험방안 (Truncated Sequential Test Plan under Weibull Distribution)

  • 정해성;차명수;오근태
    • 한국신뢰성학회지:신뢰성응용연구
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    • 제3권2호
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    • pp.137-143
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    • 2003
  • Sequential test plans are characterized by decision rules for accepting or rejecting compliance, or continuing the test at my test time. They are determined by selected values of risks and discrimination ratio. The sequential test plans in the international standard such as MIL-HDBK-781A are based on the assumption that the underlying distribution of times between failures is exponential. In this paper, sequential test plans are extended to the Weibull distribution case. Simulation studies are performed to examine the reasonability in this extension.

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CSP를 응용한 연속생산형 계수이산 샘플링 검사 (Revised KS Standards for Acceptance Sampling By Attribute Based On Continuous Sampling Plan)

  • 최성운
    • 대한안전경영과학회:학술대회논문집
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    • 대한안전경영과학회 2008년도 추계학술대회
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    • pp.161-165
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    • 2008
  • This paper introduces three continuous sampling plans by attribute. Revised KS standards for acceptance samplings such as KSA ISO 2859-3, 4 : 2001 and 21247 : 2007 are presented. These plans are based on skip-lot, DQL(Declared Quality Level) and VL (Verification Level).

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