• 제목/요약/키워드: Measurement criteria

검색결과 983건 처리시간 0.034초

인간의 보행 및 미끄러짐 특성에 기반한 끌기형 미끄러짐 저항 측정 조건 (Measurement Criteria for Drag-Sled Type Slip Resistance Tester Based on Human Gait and Slip)

  • 박재석;권혁면;오환섭
    • 한국안전학회지
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    • 제27권5호
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    • pp.179-184
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    • 2012
  • This study was performed to find out the measurement criteria of slip resistance from analysis of human gait and slips. Many kinds of slip resistance testers were developed based on mechanical friction testers. But, there are, as yet, no unambiguous slip resistance measurement methodologies and generally accepted safety criteria or safety thresholds for estimating slipping hazard exposures. Also, there are variety of measuring conditions between those testers. The measurement criteria should be tested within the range of human slipping conditions observed in biomechanical studies. It's results should clearly consider whether the devices reflect the human slipping conditions. In this study a dragsled type friction tester, which was constructed in accordance with ISO 15133 basically, was used. Test conditions were set in order to determine the range of measurement criteria. It is shown that drag velocity should be more than 1 m/s, acceleration be more than 10 $m/s^2$, contact time be less than 0.1sec, and contact pressure be within 350~400 kPa.

AHP에 의한 한국자동차부품제조사의 제조성과기준의 중요도 평가 (An AHP Approach to Evaluate the priorities of Manufacturing Performance Criteria in Korean Automobile Parts Manufacturing Company)

  • 김태수
    • 산업경영시스템학회지
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    • 제34권3호
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    • pp.115-122
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    • 2011
  • The critical role played by manufacturing performance measurement systems in achieving competitive success is increasingly recognized. Developing an integrated performance measurement model is significant for strategic management. This study consist of several principal steps. Performance criteria from the literature and an questionnaire were utilized prior to building the performance model. The AHP(Analytic Hierarchy Process) is utilized to evaluate the weight of each criterion when generating the performance measurement model for Korea automobile parts manufacturing company. AHP analysis showed clear difference in the priority between 5 criteria and 24 sub-criteria in terms of manufacturing performance of Korean automobile parts manufacturing company. The result of priority evaluation in the 5 criteria of 2nd level was ranked quality, cost, delivery, employee, flexibility. And the critical sub-criteria in the 24 sub-criteria of 3rd level was ranked claim rate, process defect rate, outsourcing parts defect rate, ability to quality management innovation, claim cost, etc.

APR1400 원자로내부구조물 종합진동평가 응답측정시험 허용기준 (Response Instrumentation Test Acceptance Criteria for APR1400 RVI CVAP)

  • 고도영;김규형;김성환
    • 한국소음진동공학회논문집
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    • 제21권11호
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    • pp.1036-1042
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    • 2011
  • APR1400 RVI CVAP using the non-prototype category II is being conducted to verify integrity of the RVI design and to secure the CVAP technology. The measurement programs are to confirm vibration analysis results for reactor internals during pre-operational and initial startup testing and to determine the safety margin. One of the important basis for the measurement programs is test acceptance criteria. Therefore, this paper is on establishment of response instrumentation test acceptance criteria for APR1400 RVI CVAP. The established acceptance criteria show that the stress criteria of APR1400 RVI are more conservative values than those of the valid prototype plant(Palo Verde unit 1) and, the displacement criteria of the inner barrel assembly and the upper guide structure were established to 0.03 in and 0.01 in, respectively.

APR1400 원자로내부구조물 종합진동평가 응답측정시험 허용기준 수립 (Establishment of Response Instrumentation Test Acceptance Criteria for APR1400 Reactor Vessel Internals Comprehensive Vibration Assessment Program)

  • 고도영;김규형;김성환
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2011년도 추계학술대회 논문집
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    • pp.212-218
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    • 2011
  • APR1400 RVI CVAP using the non-prototype category is being conducted to verify integrity of the RVI design and to secure the CVAP technology. The measurement programs are to confirm vibration analysis results for reactor internals during preoperational and initial startup testing and to detemine the safety margin. One of the important basis for the measurement programs is test acceptance criteria. Therefore, this paper is on establishment of response instrumentation test acceptance criteria for APR1400 RVI CVAP. The established acceptance criteria show that the stress criteria of APR1400 RVI are more conservative values than those of the valid prototype plant(Palo Verde unit 1) and, the displacement criteria of the IBA and the UGS were established to 0.03 in and 0.01 in, respectively.

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교차종속관계하에서의 중소기업 평가를 위한 Fuzzy 다기준의사결정법 (A fuzzy multi-criteria decision making methodology for small and medium enterprises evaluation under intersectional dependence relations)

  • 박영화;이상완
    • 경영과학
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    • 제14권1호
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    • pp.11-29
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    • 1997
  • This paper presents the better efficient evaluation of the Small and Medium Enterprises by use of fuzzy multi-criteria decision making methodology under intersectional dependence relations. The five Small and Medium Enterprises alternative will be evaluated by Fuzzy Analytic Hierarchy Process(FAHP) based on entropy weight in this study. A case study is presented to illustrate the use of entropy weight measurement with intersectional dependence problems. These problems are evaluated seven criteria : market criteria, thchnology criteria, management ability criteria, planning criteria, propulsion ability criteria, project propulsion basis criteria, propulsion result criteria.

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APR1400 원자로내부구조물 종합진동평가 측정위치 선정기준 개발 (Development of Selection Criteria of Measuring Places for Reactor Vessel Internals Comprehensive Vibration Assessment Program in Advanced Power Reactor 1400)

  • 고도영;김규형;김성환
    • 한국소음진동공학회:학술대회논문집
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    • 한국소음진동공학회 2011년도 춘계학술대회 논문집
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    • pp.821-826
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    • 2011
  • A basic concept for selection criteria of measuring places of RVI CVAP is to determine measuring places and sensors based on the results of the hydraulic and structural analysis for RVI CVAP in APR1400. In addition, there is the important selection criteria to determine measuring places for measurement of RVI CVAP ; the first is to choose measuring places according to U.S. NRC R.G. 1.20, the second is to select measuring places by RVI design review, the third is to option on the basis of measurement results of SYSTEM 80, the forth is to decide using review results on a design change of a reactor and the last is to determine using the review on the possibility of installation/removal of sensors and structures for the measurement. We developed selection criteria of measuring places for RVI CVAP in APR1400 and this will be directly applied to the measurement program for RVI CVAP.

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엔트로피 가중치를 고려한 교차종속관계하에서의 효율적인 다기준의사결정법 (An Effectve Multi-Criteria Decision Making Methodology based on Entropy Weights in the Intersectional Dependence Relations)

  • 박영화;이상환
    • 산업경영시스템학회지
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    • 제19권39호
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    • pp.265-274
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    • 1996
  • This paper presents the intersectional dependence relations for the better efficient evaluation of the three tactical missile system(T.M.S) by use of multi-criteria decision making methodology. T.M.S alternatives A, B and C will be evaluated by Analytic Hierarchy Process(AHP) based on entropy weight in this study. A numerical example is presented to illustrate the use of entropy weight measurement with intersectional dependence problems. This problems are evaluated five criteria : tacticals criteria, technology criteria, maintenance criteria, economy criteria, advancement criteria.

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Comparison of WHO and RECIST Criteria for Evaluation of Clinical Response to Chemotherapy in Patients with Advanced Breast Cancer

  • Khokher, Samina;Qureshi, Muhammad Usman;Chaudhry, Naseer Ahmad
    • Asian Pacific Journal of Cancer Prevention
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    • 제13권7호
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    • pp.3213-3218
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    • 2012
  • When patients with advanced breast cancer (ABC) are treated with neoadjuvant chemotherapy (NACT), efficacy is monitored by the extent of tumor shrinkage. Since their publication in 1981, World Health Organization (WHO) guidelines have been widely practiced in clinical trials and oncologic practice, for standardized tumor response evaluation. With advances in cancer treatment and tumor imaging, a simpler criterion based on one-dimensional rather than bi-dimensional (WHO) tumor measurement, named Response Evaluation Criteria in Solid Tumors (RECIST) was introduced in 2000. Both approaches have four response categories: complete response, partial response, stable disease and progressive disease (PD). Bi-dimensional measurement data of 151 patients with ABC were analysed with WHO and RECIST criteria to compare their response categories and inter criteria reproducibility by Kappa statistics. There was 94% concordance and 9/151 patients were recategorized with RECIST including 6/12 PD cases. RECIST therefore under-estimates and delays diagnosis of PD. This is undesirable because it may delay or negate switch over to alternate therapy. Analysis was repeated with a new criteria named RECIST-Breast (RECIST-B), with a lower threshold for PD (${\geq}10%$ rather than ${\geq}20%$ increase of RECIST). This showed higher concordance of 97% with WHO criteria and re-categorization of only 4/151 patients (1/12 PD cases). RECIST-B criteria therefore have advantages of both ease of measurement and calculations combined with excellent concordance with WHO criteria, providing a practical clinical tool for response evaluation and offering good comparison with past and current clinical trials of NACT using WHO guidelines.

계측데이터 분석을 통한 모니터링 데이터의 계측관리기준 재설정 (Reset of Measurement Control Criteria for Monitoring Data through the Analysis of Measured Data)

  • 정철헌;안호현;신수봉;김유희
    • 한국구조물진단유지관리공학회 논문집
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    • 제18권6호
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    • pp.105-113
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    • 2014
  • 현재 공용중인 대부분의 시설물들은 다양한 센서로 구성된 계측시스템을 구축하고 있으며, 시스템에서 계측된 응답 데이터 분석을 통해 구조물의 건전성을 평가하고 있다. 건전성 평가 과정에서 적용하는 계측데이터의 계측관리기준은 일반적으로 공용 초기에 설정된 것으로, 시공회사 또는 설계회사 소속의 전문가들이 설계기준을 바탕으로 혹은 구조해석을 통해 설정하고 있다. 하지만 실 계측데이터에 적용하기 위해서는 이와 같이 설정되는 계측관리기준의 검증이 필요하며, 일부 연구자들은 교량의 관리를 위해 실 계측데이터에 계측관리기준을 적용하여 타당성을 검증하는 연구를 수행하고 있다. 본 논문에서는 통계적 접근방법을 활용하여 기설정된 계측관리기준을 검토하고, 체계적인 계측관리기준 재설정 방안을 제시하였다. 또한 구조물의 실 계측 데이터에 적용하여 그 타당성을 검증하였다.

B2B e-Marketplace의 성과측정지표 개발에 관한 연구 -재무적 성과 및 지식자산 성과관점에서- (Development of Balanced Performance Measurement Index for B2B e-Marketplace)

  • 김효근;이재연;강소라
    • 지식경영연구
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    • 제3권1호
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    • pp.41-60
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    • 2002
  • This paper defines measurement index items and weight of the index for the purpose of developing a performance measurement index that balancedly measures performance of B2B electronic commerce. The deductive research is used for the development of measurement index items and Analytic Hierarchy Process(AHP) method for the development of weight of the index. This paper has four performance measurement perspectives-finance, partners, business process and human resources, which based the existing researches of balanced performance measurement. This researchers developed eleven second level criteria and twenty-six indexes under four perspectives through the deductive method and expert interviews, weighted on the perspectives, criteria and indexes in accordance with the forms of e-marketplace-vertical and horizontal. As a result, the most important indexes are the maintenance of partners and the efficiency of operation process in the vertical e-marketplace. In the horizontal e-marketplace, the collection of partners, development and prediction processes are more important than other indexes.

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