Fiber-optic-based protocol for manufacturing system networks. Part II. Statistical analysis

Arun Ayyagari, Asok Ray

Research output: Contribution to journalConference articlepeer-review

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. This second part presents a statistical model of the proposed protocol for analyzing the network-induced delays and for generating pertinent results of analysis and simulation for different scenarios of network traffic. The major assumptions in formulating the statistical model are: (1) message arrival processes for real-time (RT) and non-real 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)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - 1990
EventProceedings of the Winter Annual Meeting - Dallas, TX, USA
Duration: Nov 25 1990Nov 30 1990

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering

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