Hidden maintenance opportunities in discrete and complex production lines

  • Xi Gu
  • , Seungchul Lee
  • , Xinran Liang
  • , Mark Garcellano
  • , Mark Diederichs
  • , Jun Ni

Research output: Contribution to journalArticlepeer-review

Abstract

In manufacturing systems, many maintenance tasks require equipment to be stopped in order to safely perform them. However, such stoppage cannot last for too long since it might directly result in short-term production losses. In this paper, we investigate how long we can strategically shut down equipment for maintenance during scheduled operations without affecting system throughput. Using the concept of maintenance opportunity windows (MOWs), we estimate such time intervals for various system configurations. Simulations are used to deal with uncertainties in production lines, such as random machine failures, starvations, blockages, etc. Moreover, the proposed MOW algorithms are demonstrated through simulations and real case studies in an automotive assembly plant.

Original languageAmerican English
Pages (from-to)4353-4361
Number of pages9
JournalExpert Systems With Applications
Volume40
Issue number11
DOIs
StatePublished - Sep 1 2013
Externally publishedYes

ASJC Scopus subject areas

  • General Engineering
  • Computer Science Applications
  • Artificial Intelligence

Keywords

  • Complex manufacturing systems
  • Discrete production
  • Maintenance opportunity windows

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