Response time analysis under errors for CAN

Punnekkat, Sasikumar; Hansson, Hans; Norström, Christer

doi:10.1109/rttas.2000.852470

Cited by 60 publications

(51 citation statements)

References 8 publications

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“…The use of a realtime network (CAN), together with state-of-the-art schedulability analysis techniques [4], allows the system to be considered synchronous, even in the presence of temporary periods of inaccessibility [6], [7], [8].…”

Section: Failure Assumptionsmentioning

confidence: 99%

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Reliable real-time communication in can networks

Pinho

Vasques

2003

IEEE Trans. Comput.

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Abstract-Controller Area Network (CAN) is a fieldbus network suitable for small-scale Distributed Computer Controlled Systems (DCCS), being appropriate for sending and receiving short real-time messages at speeds up to 1 Mbit/sec. Several studies are available on how to guarantee the real-time requirements of CAN messages, providing preruntime schedulability conditions to guarantee the real-time communication requirements of DCCS traffic. Usually, it is considered that CAN guarantees atomic multicast properties by means of its extensive error detection/signaling mechanisms. However, there are some error situations where messages can be delivered in duplicate or delivered only by a subset of the receivers, leading to inconsistencies in the supported applications. In order to prevent such inconsistencies, a middleware for reliable communication in CAN is proposed, taking advantage of CAN synchronous properties to minimize the runtime overhead. Such middleware comprises a set of atomic multicast and consolidation protocols, upon which the reliable communication properties are guaranteed. The related timing analysis demonstrates that, in spite of the extra stack of protocols, the real-time properties of CAN are preserved since the predictability of message transfer is guaranteed.

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Section: Failure Assumptionsmentioning

confidence: 99%

“…Several studies on how to guarantee the real-time requirements of messages in CAN networks are available (e.g., [2], [4], [5], [6], [7], [8]), providing the necessary preruntime schedulability conditions for its timing analysis.…”

Section: Introductionmentioning

confidence: 99%

Reliable real-time communication in can networks

Pinho

Vasques

2003

IEEE Trans. Comput.

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“…We have an environment model and know how to perform response time analysis of CAN messages under normal and error conditions [5].…”

Section: Problem Statementmentioning

confidence: 99%

“…We have recently [5] developed a model for calculating worst-case latencies of messages under error assumptions for the Controller Area Network (CAN). In many situations, this analysis might infer that a given message set is not feasible under worst case fault interferences.…”

Section: Introductionmentioning

confidence: 99%

Integrating reliability and timing analysis of CAN-based systems

Hansson

Nolte

Norström

et al. 2002

IEEE Trans. Ind. Electron.

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“…In our previous work [14], we have proposed a model for calculating worst-case latencies of Controller Area Network (CAN) [15] frames under error assumptions. This model is pessimistic, in the sense that there are systems that the analysis determines unschedulable, even though deadlines will only be missed in extremely rare situations with pathological combinations of errors.…”

Section: Introductionmentioning

confidence: 99%