Multi-stage cleaner production process with quality improvement and lead time dependent ordering cost

Min Soo Kim, Biswajit Sarkar

Research output: Contribution to journalArticlepeer-review

85 Citations (Scopus)


To maintain a multi-stage cleaner production process, the major task is eliminating all defective items during the production system and an investment is necessary to reduce the probability of in-control state to out-of-control state of machinery system. In this direction, a logarithmic expression suggested by Porteus (1986) to consider in a single-stage imperfect manufacturing process for quality improvement, whereas this paper enables to consider the similar investment in a complex multi-stage imperfect manufacturing process to clean the production system. Using it, this paper develops a joint replenishment problem for complex multi-stage quality improvement. The study investigates a stochastic inventory model with a budget constraint for simultaneously optimizing number of shipments, replenishment interval, safety factor, backorder discounts, quality factor, and lead time as decision variables. Lead time is assumed as stochastic in nature, where a lead time crashing cost is used to reduce the lead time. As lead time is stochastic, a backorder price discount is allowed to save lost sells. To solve this problem, an improved algorithm is developed and two theorems are proved to obtain global optimal solution for this model analytically. Finally, some numerical examples and graphical illustrations are given to illustrate this model.

Original languageEnglish
Pages (from-to)572-590
Number of pages19
JournalJournal of Cleaner Production
Publication statusPublished - 2017 Feb 15

Bibliographical note

Funding Information:
The authors of this research work are thankful to three anonymous reviewers and the Honorable Editor-In-Chief and Honorable Associate Editor for their important and helpful comments and suggestions for the required improvements in the previous manuscript of this paper. This work was supported by the research fund of Hanyang University (HY-2016-N, Project number201600000001706) for new Faculty member.

Publisher Copyright:
© 2016 Elsevier Ltd

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering


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