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Extending Offset-Based Response-Time Analysis for Mixed Messages in Controller Area Network
Mälardalen University, School of Innovation, Design and Engineering. (Model-Based Engineering of Embedded Systems)ORCID iD: 0000-0003-3242-6113
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0003-2957-0966
Mälardalen University, School of Innovation, Design and Engineering.ORCID iD: 0000-0001-7586-0409
2013 (English)In: IEEE International Conference on Emerging Technologies and Factory Automation, ETFA, IEEE conference proceedings, 2013, Article number 6648056- p.Conference paper, Published paper (Refereed)
Abstract [en]

The existing offset-based response-time analysis for mixed messages in Controller Area Network (CAN) assumes the jitter and deadline of a message to be smaller or equal to the transmission period. However, practical systems may contain messages whose release jitter and deadlines can be greater than their periods, e.g., in the gateway nodes. We extend the existing response-time analysis for mixed messages in CAN that are scheduled with offsets and have arbitrary jitter and deadlines. Mixed messages are implemented by several higher-level protocols for CAN that are used in the automotive industry. The extended analysis is applicable to any higher-level protocol for CAN that uses periodic, sporadic and mixed transmission modes.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2013. Article number 6648056- p.
Keyword [en]
Controller Area Network, response-time analysis, automotive networks
National Category
Embedded Systems
Research subject
Computer Science
Identifiers
URN: urn:nbn:se:mdh:diva-20093DOI: 10.1109/ETFA.2013.6648056Scopus ID: 2-s2.0-84890618637ISBN: 9781479908622 (print)OAI: oai:DiVA.org:mdh-20093DiVA: diva2:635274
Conference
2013 IEEE 18th International Conference on Emerging Technologies and Factory Automation, ETFA 2013; Cagliari; Italy; 10 September 2013 through 13 September 2013
Note

Submitted to:

18th IEEE conference on Emerging Technologies and Factory Automation, 10-13 September 2013, Cagliari, Italy

Available from: 2013-07-03 Created: 2013-07-03 Last updated: 2014-05-09Bibliographically approved
In thesis
1. Communications-Oriented Modeling and Development of Vehicular Distributed Embedded Systems
Open this publication in new window or tab >>Communications-Oriented Modeling and Development of Vehicular Distributed Embedded Systems
2014 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The model- and component-based development approach has emerged as an attractive option for the development of vehicular distributed real-time embedded systems. Within this context we target challenges related to modeling of legacy network communication, extraction of end-to-end timing models and support for end-to-end timing analysis.

We propose a novel approach for modeling legacy network communication in these systems. By introducing special-purpose components to encapsulate and abstract the communication protocols, we allow the use of legacy nodes and legacy protocols in a component- and model-based software engineering environment. Because an end-to-end timing model should be available to perform the end-to-end response-time and delay analyses, we present a method to extract the timing models from these systems. We also extend the method to various abstraction levels and parts of the development process for the systems. During the models extraction, we identify that the existing worst-case response-time analysis for Controller Area Network (CAN), a widely used real-time network protocol in the vehicular domain, does not support mixed messages. These messages are partly periodic and partly sporadic. They are implemented by some higher-level protocols for CAN used in the industry. We extend the existing analysis which is now applicable to any higher-level protocol for CAN that uses periodic, sporadic and/or mixed transmission.

In order to show the application of our modeling techniques, timing model extraction method and extended analyses; we provide a proof of concept by extending the Rubus Component Model, which is used for the development of software for vehicular embedded real-time systems by several international companies. We also implement the end-to-end response-time and delay analyses along with the extended analysis for CAN in the existing industrial tool suite the Rubus-ICE. Moreover, we implement the extended analysis for CAN in a free tool MPS-CAN analyzer. Further, we conduct automotive-application case studies to validate our methods and techniques.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2014
Series
Mälardalen University Press Dissertations, ISSN 1651-4238 ; 160
Keyword
Embedded systems; real-time systems; distributed embedded systems; component-based development; End-to-end timing analysis; response-time analysis; Controller Area Network; component model; timing model
National Category
Embedded Systems
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-24969 (URN)978-91-7485-151-9 (ISBN)
Public defence
2014-06-16, U2-013, Mälardalens högskola, Västerås, 10:15 (English)
Opponent
Supervisors
Projects
SynthSoftFEMMVAEEMDEF
Funder
Swedish Research Council, 16330
Available from: 2014-05-08 Created: 2014-05-08 Last updated: 2014-05-09Bibliographically approved

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