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Mapping Simulink to UML in the design of embedded systems:Investigating scenarios and transformations
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).ORCID iD: 0000-0002-4300-885X
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).
KTH, School of Industrial Engineering and Management (ITM), Machine Design (Dept.).ORCID iD: 0000-0001-7048-0108
Show others and affiliations
2008 (English)In: OMER4 Post-proceedings, 2008, 2008, 137-160 p.Conference paper, Published paper (Refereed)
Abstract [en]

The multidisciplinary nature of advanced embedded systems requires a combined usage of several tools and modeling languages in systems development.We investigate the needs and some of the possibilities of combined usage of Simulink and UML.Structural and behavioral mappings are explored focusing on continuous-time and discrete-time models.A procedure for transforming Simulink models to UML composite structure and activity models is presented. Our proposed behavioral transformationmaps behavior of the Simulink model as well as the MATLAB/Simulink simulation engine and provides an explicit simulation level behavior representation in the form of UML activity diagrams. The transformation has been partially implemented using the Atlas Transformation Language.

Place, publisher, year, edition, pages
2008. 137-160 p.
National Category
Reliability and Maintenance
Identifiers
URN: urn:nbn:se:kth:diva-19450OAI: oai:DiVA.org:kth-19450DiVA: diva2:337986
Conference
the 4th Workshop on Objectoriented Modeling of Embedded Real-Time Systems (OMER 4)
Note

QC 20100810

Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-11-16Bibliographically approved
In thesis
1. Modeling and Simulation of Physical Systems in a Mechatronic Context
Open this publication in new window or tab >>Modeling and Simulation of Physical Systems in a Mechatronic Context
2009 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis gives different views on the modeling and simulation of physical systems, especially together with embedded systems, forming mechatronic systems. The main considered application domain is automotive. One motivation behind the work is to find suitable representations of physical systems to be used in an architectural description language for automotive embedded systems, EAST-ADL2, which is implemented as a UML2 profile, and uses concepts from both UML and SysML. As a part of the thesis, several languages and tools are investigated, including bond graphs, MATLAB/Simulink, Ptolemy II, Modelica, MATLAB/Simscape and SysML. For SysML, the modeling of continuous-time systems and how it relates to MATLAB/Simulink and Modelica is evaluated. A case study of an electric power assisted steering is modeled to show the differences, the similarities and the usage of the above mentioned languages and tools. To be able to classify the tools and languages, five realization levels were developed:

  • Physical modeling models
  • Constraint models
  • Continuous causal models
  • Discretized models
  • Discretized models with solver and platform implementation

By using these realization levels, models, tools and modeling languages can be classified, and transformations between them can be set up and analyzed. As a result, a method to describe the simulation behavior of a MATLAB/Simulink model has been developed using SysML activity diagrams as an approach to achieve integrated system models. Another result is an evaluation of the parametric diagrams of SysML for continuous-time modeling, which shows that they do not enable “physical modeling”, i.e. modeling the topology of the system and getting the underlying equations out of this topology. By including physical ports and physical connectors to SysML internal block diagrams, this could be solved. The comparison also shows many similarities between the languages. The results led to a more detailed investigation on conjugate variables, such as force and velocity, and electric current and voltage, and how these are treated in various languages. The thesis also includes two industrial case studies: one of a twin-screw compressor, and one of a simulation environment for automotive fuel-cell systems. Conclusions are drawn from these models, referring to the realization levels.

Place, publisher, year, edition, pages
Stockholm: KTH, 2009. ix, 85 p.
Series
Trita-MMK, ISSN 1400-1179 ; 2009:12
Keyword
mechatronics, MATLAB/Simulink, SysML, bond graphs, Modelica, Simscape, simulation, modeling, EAST-ADL2, physical modeling
Identifiers
urn:nbn:se:kth:diva-10522 (URN)978-91-7415-361-3 (ISBN)
Public defence
2009-06-09, KTHB, Salongen, Osquars Backe 31, Stockholm, 13:00 (English)
Opponent
Supervisors
Note
QC 20100810Available from: 2009-06-03 Created: 2009-05-20 Last updated: 2010-08-10Bibliographically approved

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Törngren, MartinChen, DeJiu

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