Integration of Petri nets and moment generating function approaches for system performance evaluation

Mengchu Zhou, Dianlong Guo, Frank Dicesare

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

This article integrates arbitrary stochastic Petri nets (ASPN) and moment generating function approaches for performance evaluation of discrete event dynamic systems (DEDS). These systems include computer-integrated manufacturing systems, resource-shared distributed systems, and communication networks. ASPN can describe various DEDS in which the time duration for activities may be a random variable of arbitrary distributions. In ASPN models, transitions with firing delays of general distributions are used to model these activities. Using our proposed performance analysis methodology, we first represent a system as an ASPN model, then generate its reachability graph and convert it into a state machine Petri net, derive the transfer functions of interesting performance measures through stepwise reductions, and finally obtain the analysis results. This method makes it possible to obtain analytical solutions of important performance indices. We use a robotic assembly system to illustrate the method. We obtain several important performance measures of a closed-form. Finally, we discuss the limitations of this approach and future research.

Original languageEnglish (US)
Pages (from-to)43-62
Number of pages20
JournalJournal of Systems Integration
Volume3
Issue number1
DOIs
StatePublished - Mar 1 1993

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Keywords

  • Discrete event dynamic systems
  • arbitrary stochastic Petri net(s) (ASPN)
  • integrated manufacturing systems
  • moment generating functions
  • performance evaluation

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