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Advisor(s)
Abstract(s)
Controller Area Network (CAN) is a fieldbus network
suitable for small-scale Distributed Computer
Controlled Systems, being appropriate for transferring
short real-time messages. Nevertheless, it must be
understood that the continuity of service is not fully
guaranteed, since it may be disturbed by temporary
periods of network inaccessibility [1].
In this paper, such temporary periods of network
inaccessibility are integrated in the response time
analysis of CAN networks. The achieved results
emphasise that, in the presence of temporary periods of
network inaccessibility, a CAN network is not able to
provide different integrity levels to the supported
applications, since errors in low priority messages
interfere with the response time of higher priority
message streams.