Reliability Evaluation of Production System With In-Line Stockers

Ping Chen Chang, Yi Kuei Lin, James C. Chen

Research output: Contribution to journalArticlepeer-review


A reliability evaluation method is proposed for production systems by applying the capacitated-flow production network (CFPN) model. In particular, this article considers in-line stockers to monitor and to avoid blockage and starvation in the CFPN. First, the minimal capacity that all cells (group of machines) should provide to meet demand is generated. Second, status of stocker is monitored via the proposed “stocker volume check table” to calculate the volume usage of a stocker, and the stocker nonutilization is then obtained. Finally, the system reliability is derived in terms of the minimal capacity vector and stocker nonutilization. An important contribution of this article is to avoid complicated dependency calculation when multiple stockers are considered. A practical case of printed circuit board production is further studied to illustrate the applicability of the proposed method.

Original languageEnglish
JournalIEEE Transactions on Reliability
StateAccepted/In press - 2020


  • Capacitated-flow production network (CFPN)
  • Capacity planning
  • in-line stocker
  • Industrial engineering
  • Inspection
  • Monitoring
  • Production systems
  • Reliability
  • stocker volume check table (SVCT)
  • system reliability

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