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Extraction of End-to-end Timing Model from Component-Based Distributed Real-Time Embedded Systems
Mälardalen University, School of Innovation, Design and Engineering.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
2011 (English)In: Time Analysis and Model-Based Design, from Functional Models to Distributed Deployments (TiMoBD) workshop located at Embedded Systems Week, 2011Conference paper, Published paper (Refereed)
Abstract [en]

In order to facilitate the end-to-end timing analysis early during the development of component-based distributed real-time embedded (DRE) systems, we present the extraction of end-to-end timing models using the existing industrial component model, Rubus Component Model (RCM). Moreover, we discuss and solve the issues involved during the model extraction such as, extraction of timing information from all nodes and networks in the system, tracing of event chains in distributed transactions, and modeling of exit and entry points for RCM models to provide timing bounds for extra-model medium. We also describe the implementation of end-to-end timing model extraction in the Rubus Analysis Framework.

Place, publisher, year, edition, pages
2011.
National Category
Computer Systems
Identifiers
URN: urn:nbn:se:mdh:diva-13591OAI: oai:DiVA.org:mdh-13591DiVA, id: diva2:466134
Conference
Embedded Systems Week, Oct. 9-14 2011, Taipei, Taiwan
Available from: 2011-12-15 Created: 2011-12-15 Last updated: 2015-07-31Bibliographically approved
In thesis
1. Modeling and Timing Analysis of Industrial Component-Based Distributed Real-time Embedded Systems
Open this publication in new window or tab >>Modeling and Timing Analysis of Industrial Component-Based Distributed Real-time Embedded Systems
2012 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

The model- and component-based development approach has emerged as an attractive option for the development of Distributed Real-time Embedded (DRE) systems. In this thesis we target several issues such as modeling of legacy communication, extraction of end-to-end timing models and support for holistic response-time analysis of industrial component-based DRE systems.

We introduce a new approach for modeling legacy network communication in component-based DRE systems. By introducing special-purpose components to encapsulate and abstract the communication protocols in DRE systems, we allow the use of legacy nodes and legacy protocols in a component- and model-based software engineering environment. The proposed approach also supports the state-of-the-practice development of component-based DRE systems.

The Controller Area Network (CAN) is one of the widely used real-time networks in DRE systems especially in automotive domain. We identify that the existing analysis of CAN does not support common message transmission patterns which are implemented by some high-level protocols used in the industry. Consequently, we extend the existing analysis to facilitate the worst-case response-time computation of these transmission patterns. The extended analysis is generally applicable to any high-level protocol for CAN that uses periodic, sporadic, or both periodic and sporadic transmission of messages.

Because an end-to-end timing model should be available to perform the holistic response-time analysis, we present a method to extract the end-to-end timing models from component-based DRE systems. In order to show the applicability of our modeling techniques and extended analysis, we provide a proof of concept by extending the existing industrial component model (Rubus Component Model), implementing the holistic response-time analysis along with the extended analysis of CAN in the industrial tool suite (Rubus-ICE), and conducting an automotive case study.

Place, publisher, year, edition, pages
Västerås: Mälardalen University, 2012
Series
Mälardalen University Press Licentiate Theses, ISSN 1651-9256 ; 146
Keywords
Distributed real-time embedded systems; component-based development; holistic response-time analysis; component model; timing model
National Category
Embedded Systems Computer Systems
Research subject
Computer Science
Identifiers
urn:nbn:se:mdh:diva-13883 (URN)978-91-7485-055-0 (ISBN)
Presentation
2012-01-27, Gamma, Mälardalen University, Västerås, 10:15 (English)
Opponent
Supervisors
Projects
EEMDEF
Available from: 2011-12-28 Created: 2011-12-27 Last updated: 2013-12-04Bibliographically approved

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Mubeen, SaadMäki-Turja, JukkaSjödin, Mikael

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