On the workload and 'phaseload' allocation problems of short reliable production lines with finite buffers

M. I. Vidalis, C. T. Papadopoulos, C. Heavey

Research output: Contribution to journalArticlepeer-review

24 Citations (Scopus)

Abstract

Serial flow or production lines are modeled as tandem queueing networks and formulated as continuous-time Markov chains to investigate how to maximize throughput or minimize the average work-in-process (WIP) when the total service time and the total number of service phases among the stations are fixed (these are the workload and 'phaseload' allocation problems, respectively). This paper examines both the effect of the kind of service time distribution on the optimal workload allocation in order to maximize throughput or minimize the average WIP of perfectly reliable production lines. The new approach of this work is the differentiation of the number of service phases of the service time distribution which is assumed to be of phase type at all stations of the flow line and the placement of storage space (buffers) between any two successive stations in order to examine the effect of these factors to the form of the optimal workload vector t and the optimal service phase vector ph.

Original languageEnglish
Pages (from-to)825-837
Number of pages13
JournalComputers and Industrial Engineering
Volume48
Issue number4
DOIs
Publication statusPublished - Jun 1 2005

Keywords

  • 'Phase-load' allocation problem
  • Flow/production lines
  • Reliable workstations
  • Workload allocation problem

ASJC Scopus subject areas

  • Computer Science(all)
  • Engineering(all)

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