Abstract

A computer network between the control devices plays an important role to provide the real-time operation in distributed computer control systems. Compare to the field-buses used in past, TCP/IP protocol, widely used in IT(Information Technology) area, provides an economical approach to implement a real-time control network. This paper proposes a modified TCP/IP protocol for IEEE-1394 network that supports asynchronous as well as isochronous data transmission. The experiment results show that real-time data could meet their deadlines even normal non-real-time data are mixed with them. The proposed TCP/IP over IEEE-1394 bus can be adopted for the real-time control applications including the home networking, intelligent robot, and general distributed control systems.

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