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From EAST-ADL to AUTOSAR Software Architecture: A Mapping Scheme
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.ORCID iD: 0000-0001-7048-0108
Volvo Technology AB.
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.), Embedded Control Systems.ORCID iD: 0000-0002-4300-885X
2011 (English)In: 5th European Conference on Software Architecture, ECSA 2011: Software Architecture / [ed] Ivica Crnkovic, Volker Gruhn and Matthias Book, Springer Berlin/Heidelberg, 2011, 328-335 p.Conference paper (Refereed)
Abstract [en]

This paper addresses the gap between models describing system requirements, functions and architecture at a higher level of abstraction (such as SysML models), with respect to software/hardware architecture description (such as the AADL models) as the means to improve the development process or embedded systems. The EAST-ADL and AUTOSAR are the two focused architecture description formalisms in the presented work. While EAST-ADL is an architecture description language providing an extension and profiling of SysML dedicated to automotive embedded systems, AUTOSAR provides means to describe software architecture architectures. The contribution of the paper is a relationship investigation between different concepts of the two languages. Three case studies, of a position control , fuel control and a brake-by-wire system, have been used to support and validate the work. The resulting mapping scheme provides a basis for automated architecture refinements and synthesis.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2011. 328-335 p.
, Lecture Notes in Computer Science, ISSN 0302-9743 ; 6903
Keyword [en]
AUTOSAR, Model-based Development, EAST-ADL, Embedded Systems, Architecture Description Language, Model Transformation
National Category
Embedded Systems
URN: urn:nbn:se:kth:diva-63307DOI: 10.1007/978-3-642-23798-0_35ISI: 000306397800035ScopusID: 2-s2.0-80053211070ISBN: 978-3-642-23797-3OAI: diva2:481981
5th European Conference on Software Architecture, ECSA 2011. Essen. 13 September 2011 - 16 September 2011
EU, FP7, Seventh Framework Programme, 260057

QC 20120127. QC 20160212

Available from: 2012-01-23 Created: 2012-01-23 Last updated: 2016-02-12Bibliographically approved
In thesis
1. Enhancing Model-Based Development of Embedded Systems: Modeling, Simulation and Model-Transformation in an Auotmotive Context
Open this publication in new window or tab >>Enhancing Model-Based Development of Embedded Systems: Modeling, Simulation and Model-Transformation in an Auotmotive Context
2012 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The increased usage of embedded computer systems in products like automobiles has not only introduced new innovations, additional safety and comfort but also increased the product and development complexity. Several model-based development (MBD) approaches have been proposed to support the management of such complexity. The thesis is aimed towards an integrated environment for MBD of automotive embedded systems. The envisioned environment features model exchange, and choice of modeling techniques, formalisms and tools in an efficient manner.

The first contribution is an integration of EAST-ADL, an automotive specific ADL with a timed automata (TA) formalism for verifying embedded systems. The focus is mainly on EAST-ADL’s Timing Model (TM) and Behavior Description Annex (BDA). The TM is used for specifying a system’s timing related constraints such as delays and precedence. The BDA not only provides support for modeling behavior using a common formalism but also combines different behavior types for expressing logic, execution and error. The results are a) a formal interpretation of the TM through its transformation to TA, and b) an algorithm for transforming BDA to TA. While the former enables checking consistency between the artifacts of a TM the latter can be used for a holistic behavioral analysis.

In the second contribution, different possibilities to realize EAST-ADL models by AUTOSAR software architecture (a standard for developing automotive embedded software) are studied. The main result is an enhanced mapping scheme between EAST-ADL and AUTOSAR. The findings can serve as guidelines for realizing configurations in EAST-ADL as AUTOSAR parameters.

The third contribution addresses advanced embedded system features by evaluating the TM and TA for dynamic configuration mechanisms and studying Stateflow and SimEvents as alternatives for simulating architectural specifications based on EAST-ADL’s BDA. The results include a) an account of possibilities and issues related to the TM and TA integration studied in this thesis for dynamic configuration mechanisms, b) a comparison of Stateflow and SimEvents in terms of both underlying modeling formalisms and as tools and c) a discussion on possible future opportunities and issues for integrating EAST-ADL, SimEvents, Stateflow and timed automata for the envisioned integrated development environment.

The work is supported by several case studies including a brake-by-wire system, an emergency braking system, a position and a fuel control system, an automatic drive train, and a dynamic reconfiguration scenario related to the relocation of a software component from a failed processing unit to a working one in a microprocessor-based distributed system.

Place, publisher, year, edition, pages
Stockholm: KTH Royal Institute of Technology, 2012. xvii, 111 p.
Trita-MMK, ISSN 1400-1179 ; 2012:16
National Category
Embedded Systems
urn:nbn:se:kth:diva-103799 (URN)978-91-7501-465-4 (ISBN)
Public defence
2012-11-02, Gladen, B314, Brinellvägen 85, KTH, Stockholm, 09:00 (English)

QC 20121022

Available from: 2012-10-22 Created: 2012-10-22 Last updated: 2012-10-22Bibliographically approved

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