보증분석을 위한 품질보증 기간 중 제품 교체율 추정 사례 연구
Estimation of a Product Replacement Ratio During the Warranty Period for a Warranty Analysis
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In this paper, an evaluation of a product replacement ratio of irreparable items to the normally working ones is performed with a view to a warranty analysis. It is demonstrated that the replacement ratio during the warranty period can be estimated from the field data collected during the period of operation, and one can provide the management with a useful information regarding the appropriateness for the warranty period, which is vital to the product marketing strategy. Although warranty data usually take the form of multiply right censored interval data, the conventional reliability analysis method seems to be good enough as in this case. More sophisticated method such as warranty cost analysis and 2-dimensional warranty analysis is yet desired.
Abstract
In this paper, an evaluation of a product replacement ratio of irreparable items to the normally working ones is performed with a view to a warranty analysis. It is demonstrated that the replacement ratio during the warranty period can be estimated from the field data collected during the period of operation, and one can provide the management with a useful information regarding the appropriateness for the warranty period, which is vital to the product marketing strategy. Although warranty data usually take the form of multiply right censored interval data, the conventional reliability analysis method seems to be good enough as in this case. More sophisticated method such as warranty cost analysis and 2-dimensional warranty analysis is yet desired.
참고문헌 (10)
- 안해일, "신뢰성설계분석" (2012), 성신출판사
- 이상용, "신뢰성공학" (1999), 형설출판사
- Banerjee, R., "Analysis of a Two-dimensional Warranty Servicing Strategy with an Imperfect Repair Option", Quality Technology and Quantative Management, 9(1), pp.23~33 (2012)
- Dobson, A. J., "An Introduction to Generalized Linear Models" (2001), Chapman and Hill
- Ebeling, C. E., "An Introduction to Reliability and Maintainability Engineering, 2nd Edition" (2010), Waveland Press Inc.
- Jack, N., "Optimal repair-replace strategies for a warranted product", Int. J. Production Economics, 67, pp.95~100 (2000)
- Kececioglu, D. B., "Reliability Engineering HandBook" (1991), Prentice Hall
- Lawless, J. F., "Statistical Models and Methods for Lifetime Data" (1984), Wiley
- Leemis, L. M., "Relibiality: Statistical Models and Statistical Methods, 2nd Edition" (2009), Library of Congress
- Minitab, "Minitab Manual", ~ (2011)