Economic optimization of off-line inspection with rework consideration

Wen Ying Wang, Shey Huei Sheu, Yan Chun Chen, Der Juinn Horng

Research output: Contribution to journalArticlepeer-review

17 Scopus citations


This paper addresses issues relating to off-line inspection with rework consideration. We develop a mathematical model to determine the first unit inspected and the average number to be inspected in a batch, assuming the involvement of a quality-control department with a standard procedure. Numerical analyses are used to simulate the effect of changes in the various parameters on the optimal solution when the probability of a transition between states follows the discrete Weibull distribution.

Original languageEnglish
Pages (from-to)807-813
Number of pages7
JournalEuropean Journal of Operational Research
Issue number3
StatePublished - 1 May 2009


  • Dynamic programming
  • Off-line inspection
  • Optimization
  • Quality control
  • Rework


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