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Mathematical and Computational Applications is published by MDPI from Volume 21 Issue 1 (2016). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with the previous journal publisher.
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Math. Comput. Appl. 2008, 13(3), 137-145; https://doi.org/10.3390/mca13030137

# Mathematical Method for Expediting Scrap-or-Rework Decision Making in EPQ Model with Failure in Repair

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Department of Accounting, Dean of College of Management, National Changhua University of Education, Bao-Shan Campus, Changhua 500, Taiwan
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Department of Finance, Chaoyang University of Technology, Taichung 413, Taiwan
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Author to whom correspondence should be addressed.
Published: 1 December 2008
PDF [243 KB, uploaded 31 March 2016]

# Abstract

This study uses a mathematical method to develop an efficient rule for expediting scrap-or-rework decision making in economic production quantity (EPQ) model with failure-in-repair. The expected overall production-inventory costs and the optimal lot sizes for EPQ models with/without rework process are derived and compared. With straightforward numerical derivations, this paper develops an efficient rule including the exact critical value of unit repair cost for each reworked item and its approximation equations, to assist in determining whether it is beneficial to rework the repairable items. Numerical example with sensitivity analysis and discussion are provided to demonstrate their practical usages.
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MDPI and ACS Style

Chiu, S.W.; Chen, K.-K.; Chang, H.-H. Mathematical Method for Expediting Scrap-or-Rework Decision Making in EPQ Model with Failure in Repair. Math. Comput. Appl. 2008, 13, 137-145.

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