Real-Time Communications on an Integrated Fieldbus Network Based on a Switched Ethernet in Industrial Environment

Authors:
Dao Manh Cuong;Myung Kyun Kim
Affiliations:
School of Computer Engineering and Information Communication, University of Ulsan, Nam-Gu, 680749 Ulsan, Republic of Korea;School of Computer Engineering and Information Communication, University of Ulsan, Nam-Gu, 680749 Ulsan, Republic of Korea
Venue:
ICESS '07 Proceedings of the 3rd international conference on Embedded Software and Systems
Year:
2007

Citing 4
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Abstract

In recent years, fieldbuses have been more widely used in real-time distributed control systems. There are many international fieldbus protocol standards, but they are not interoperable among themselves. This paper proposes an integrated fieldbus network architecture based on a switched Ethernet which provides real-time communication features to the nodes in different fieldbuses. This paper also analyzes the schedulability conditions for real-time periodic messages on the switched Ethernet and an EDF (Earliest Deadline First)-based scheduling algorithm to support the real-time communication requirements of the periodic messages without any change in the principles of the switch.