Performance evaluation of flow lines with non-identical and unreliable parallel machines and finite buffers

Alexandros Diamantidis, Jun Ho Lee, Chrysoleon Papadopoulos, Jingshan Li, Cathal Heavey

Research output: Contribution to journalArticle

Abstract

This paper examines serial production lines with unreliable non-identical parallel machines at each workstation and intermediate buffers with finite capacities. All machines are assumed to have exponential service times, times to failure and repair times. An efficient decomposition technique is introduced for the performance evaluation of such lines. Rather than replacing each parallel-machine workstation with an equivalent single-server workstation, the main contribution of this paper is the presentation of a direct approach to derive and apply decomposition equations directly for every parallel machine at each workstation. Experimental results indicate that such a method can provide a computationally efficient algorithm to analyse large serial unreliable multi-server production lines with a good accuracy compared against simulation and other available methods.

Original languageEnglish
JournalInternational Journal of Production Research
DOIs
Publication statusPublished - Jan 1 2019

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Computer workstations
Servers
Decomposition
Repair
Performance evaluation
Parallel machines
Finite buffer
Flow line

Keywords

  • decomposition
  • exponential models
  • finite buffers
  • flow lines
  • unreliable parallel-machine workstations

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

Cite this

Performance evaluation of flow lines with non-identical and unreliable parallel machines and finite buffers. / Diamantidis, Alexandros; Lee, Jun Ho; Papadopoulos, Chrysoleon; Li, Jingshan; Heavey, Cathal.

In: International Journal of Production Research, 01.01.2019.

Research output: Contribution to journalArticle

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