A fiber-optic-based protocol for manufacturing system networks: Part II-Statistical analysis

A. Ayyagari, A. Ray

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Conceptual development, architecture, statistical and simulation models, and the results of test and verification of a fiber-optic-based protocol have been reported in a sequence of two papers. The protocol uses the unidirectional bus topology and is specifically designed for computer integrated manufacturing (CIM) networks. The architecture of the protocol is formulated in Part I [1]. In this second part, a statistical model of the proposed protocol is formulated for analyzing the networkinduced delays and pertinent results of analysis and simulation are presented for different scenarios of network traffic. The major assumptions in formulating the statistical model are: (1) message arrival processes for real-time (RT) and nonreal- time (NRT) modes are independent and Markov; and (2) message lengths follow independent general distributions with known statistical properties. The Laplace- Stieltjes transforms of probability distribution functions of queueing delays for RT and NRT messages have been derived. The analytical results for the first two moments of both RT and NRT queueing delays have been compared with those obtained from discrete event simulation.

Original languageEnglish (US)
Pages (from-to)121-131
Number of pages11
JournalJournal of Dynamic Systems, Measurement and Control, Transactions of the ASME
Volume114
Issue number1
DOIs
StatePublished - Mar 1992

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Information Systems
  • Instrumentation
  • Mechanical Engineering
  • Computer Science Applications

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