Performance analysis of a multiple vehicle tandem system with inter-vehicle buffers and blocking

Matthew E.H. Petering, Jaeyoung Seo, Chulung Lee

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We analyze a new tandem system in which items are transported through a sequence of stations from an origin to a destination via a series of vehicles that move back and forth between consecutive stations. Each pair of consecutive stations is connected by a single vehicle with unit capacity that travels back and forth between the upstream and downstream station. Each vehicle travels with an item in the downstream direction and without an item in the upstream direction. The stations act as holding areas for items awaiting further transport within the system. Stations may have non-identical capacities. We model this system as a continuous time Markov chain and develop a recursive algorithm for generating the state transition matrix. After solving for the steady state probabilities using the Gauss-Seidel method, we compute the average throughput rate, average number of items in the system, and average sojourn time for various system configurations.

Original languageEnglish
Pages (from-to)3-11
Number of pages9
JournalComputers in Industry
Issue number1
Publication statusPublished - 2007 Jan


  • Material handling system
  • Production line
  • Tandem system
  • Throughput
  • Vehicle

ASJC Scopus subject areas

  • Computer Science(all)
  • Engineering(all)


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