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Dependency on prioritized data in the delay analysis of foundation fieldbus
- Authors
- Lee, Yong Hee; Hong, Seung Ho
- Issue Date
- Aug-2010
- Publisher
- Pergamon Press Ltd.
- Keywords
- Communications systems; Foundation fieldbus; Token-passing protocol; Delay analysis; Mathematical model
- Citation
- Control Engineering Practice, v.18, no.8, pp 845 - 851
- Pages
- 7
- Indexed
- SCIE
SCOPUS
- Journal Title
- Control Engineering Practice
- Volume
- 18
- Number
- 8
- Start Page
- 845
- End Page
- 851
- ISSN
- 0967-0661
1873-6939
- Abstract
- This paper introduces a mathematical model for analyzing the delay performance of time-critical and time-available data in the foundation fieldbus data link layer token-passing service. The mathematical model introduces the concept of virtual token rotation time to account for the dependency of the token rotation times on prioritized data in analyzing their data latency. The mathematical model also includes scheduled service for periodic data transmission to examine its effect on the performance of the token-passing service. The validity of the analytical model was verified using a simulation experiment. (C) 2008 Elsevier Ltd. All rights reserved.
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