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최성운 대한안전경영과학회 2007 대한안전경영과학회 학술대회논문집 Vol.2007 No.04
This paper introduces statistical test principles, statistical procedures and tests for exponential distribution. This paper also shows compliance test plans for success ratio and constant failure rate, and goodness-of-fit tests for Weibull distribution. Moreover, this paper presents procedures for comparision of two constant failure rates, and dependability of products containing reused parts.
최성운 대한안전경영과학회 2014 대한안전경영과학회 학술대회논문집 Vol.2014 No.04
This study is to review retirement function measures for estimating capital stocks. The measures include Retirement Probability Density Function(RPDF), Retirement Cumulative Distribution Function(RCDF), Retirement Survival Function(RSF) and Retirement Rate Function(RRF). The paper also provides the recommendations for using RRF as a distinct identification of the retirement curve functions for empirical service lives data.
최성운 대한안전경영과학회 2011 대한안전경영과학회 학술대회논문집 Vol.2011 No.11
The research shows misuse cases of quantitative regression analysis used in QC circle activity and six sigma movement which presents guidelines of correct use for quality practitioners. Additionally, the qualitative regression analysis that responses nonconforming ratio of variable y, is reviewed based on misuse cases for proper use by practitioners in the field. In most cases, there are frequent errors that involve the correlation analysis or ANOVA, regardless of using quantitative regression analysis. In addition, qualitative regression analysis for the nonconforming ratio that has dependent variable of discrete and categorical data, is often applied with quantitative regression and result in ineffective quality improvement.
계층분해 매핑 다이아그램을 이용한 공리적 설계의 시스템 구조 표현 방안
최성운 대한안전경영과학회 2015 대한안전경영과학회 학술대회논문집 Vol.2015 No.11
This paper introduces the Hierarchical Decomposition Mapping Diagram (HDMD) that represents the systematic architecture of axiomatic design. HDMD is composed of the contents of module symbol and the independence/dependence relationship between FRs (Functional Requirements) and DPs (Design Parameters). The examples presented in this paper show the strength of the diagrams in comparison with other studies of systematic architectural representation tools, such as hierarchical diagram, module-junction diagram and system flow diagram.