Developing Dependable Automotive Embedded Systems using the EAST-ADL; representing continuous time systems in SysML

Carl-Johan Sjöstedt; De-Jiu Chen; Phillipe Cuenot; Patrick Frey; Rolf Johansson; Henrik Lönn; David Servat; Martin Törngren

Title:

Author:

Carl-Johan Sjöstedt: Royal Institute of Technology, Sweden De-Jiu Chen: Royal Institute of Technology, Sweden Phillipe Cuenot: Siemens VDO, France Patrick Frey: ETAS GmbH, Germany Rolf Johansson: Mentor Graphics, Sweden Henrik Lönn: Volvo Technology Corporation, Electronics and Software, Sweden David Servat: CEA List, Comtmissariat à l’Énergie Atomique Saclay, France Martin Törngren: Royal Institute of Technology, Sweden

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Year:

2007

Conference:

Proceedings of the 1st International Workshop on Equation-Based Object-Oriented Languages and Tools: Berlin; Germany; July 30; 2007; conjunction with ECOOP

Issue:

024

Article no.:

003

Pages:

25–36

No. of pages:

Publication type:

Abstract and Fulltext

Published:

2007-07-18

ISBN:

978-91-7519-822-4

Series:

Linköping Electronic Conference Proceedings

ISSN (print):

1650-3686

ISSN (online):

1650-3740

Publisher:

Linköping University Electronic Press; Linköpings universitet

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The architectural description language for automotive embedded systems EAST-ADL is presented in this paper. The aim of the EAST-ADL language is to provide a comprehensive systems modeling approach as a means to keep the engineering information within one structure. This facilitates systems integration and enables consistent systems analysis. The EAST-ADL encompasses structural information at different abstraction levels; requirements and variability modeling. The EAST-ADL is implemented as a UML2 profile and is harmonized with AUTOSAR and a subset of SysML. Currently; different ways to model behavior natively in the language are investigated. An approach for using SysML parametric diagrams to describe equations in composed physical systems is proposed. An example system is modeled and discussed. It is highlighted that parametric diagrams lacks support for separation between effort and flow variables; and why this separation would be desired in order to model composed physical systems. An alternative approach by use of SysML activity diagrams is also discussed.

Keywords: EAST-ADL; automotive embedded systems; UML; SysML; parametric diagrams; physical modeling; continuous systems; Modelica

Proceedings of the 1st International Workshop on Equation-Based Object-Oriented Languages and Tools: Berlin; Germany; July 30; 2007; conjunction with ECOOP

Author:

Carl-Johan Sjöstedt, De-Jiu Chen, Phillipe Cuenot, Patrick Frey, Rolf Johansson, Henrik Lönn, David Servat, Martin Törngren

Title:

Developing Dependable Automotive Embedded Systems using the EAST-ADL; representing continuous time systems in SysML

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Proceedings of the 1st International Workshop on Equation-Based Object-Oriented Languages and Tools: Berlin; Germany; July 30; 2007; conjunction with ECOOP

Author:

Carl-Johan Sjöstedt, De-Jiu Chen, Phillipe Cuenot, Patrick Frey, Rolf Johansson, Henrik Lönn, David Servat, Martin Törngren

Title:

Developing Dependable Automotive Embedded Systems using the EAST-ADL; representing continuous time systems in SysML

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