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SysML-Modelica Transformation Specification Overview

Understand the integration of SysML and Modelica for effective system modeling. Explore Modelica's features, libraries, and the transformation roadmap. Active working group members and upcoming steps are detailed in this presentation.

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SysML-Modelica Transformation Specification Overview

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  1. SysML-Modelica Transformation Specification(ADTF Meeting, Long Beach, 12/9/2009) Chris Paredis Georgia Tech On behalf of the SysML-Modelica Working Group

  2. Presentation Overview • Objectives, Focus, Scope • What is Modelica? • Transformation Roadmap • Current Status • Illustrative Example • Summary • Active Working GroupMembers • Yves Bernard (EADS) • Roger Burkhart (Deere & Co) • Hans-Peter De Koning (ESA) • Sandy Friedenthal (Lockheed Martin) • Peter Fritzson (Linköping University) • NerijusJankevicius (NoMagic) • Alek Kerzhner (Georgia Tech) • Chris Paredis (Georgia Tech) • Nicolas Rouquette (JPL) • WladimirSchamai (EADS)

  3. Working Group Focus and Scope • Objective: • Leverage the strengths of both SysML and Modelica by integrating them to create a more expressive and formal MBSE language. • Define a formal Transformation Specification between Modelica and the SysML4Modelica profile • Scope: • Cover the Modelica constructs needed for the Modelica Standard Library to be used in SysML • Generate corresponding SysML constructs that fit within the profiling mechanism

  4. What is Modelica? • State-of-the-art Modeling Languagefor System Dynamics • Differential Algebraic Equations (DAE) • Discrete Events • Formal, object-oriented language • Ports represent energy flow (undirected) orsignal flow (directed) • Acausal, equation-based, declarative • Multi-domain modeling • Standardized by the Modelica Association

  5. Modelica: Standard Library motor torque

  6. Other Modelica Libraries • Modelica association — 20+ free libs (www.modelica.org) • EUROSYSLIB project — 20+ libs under development(http://www.itea2.org/public/project_leaflets/EUROSYSLIB_profile_oct-07.pdf)

  7. The OpenModelica Project • Open source Modelica environment • OMC, The Modelica Compiler/Interpreter • OMShell, The Interactive Session Handler • OMNotebook, DrModelica Simple Electronic notebook • Graphic Model Editor – SimForge(developed by Technical University of Milan) • Modelica Development Tooling (MDT) as Eclipse Plugin • Modelica XML conversion • Debugger for extended subset algorithmic code • Supported by the Open Source Modelica Consortium • European ITEA2 project OPENPROD • PI: P. Fritzson; 25 Partners;  €11M • More info: http://www.openmodelica.org  

  8. Roadmap – Past (1)

  9. Roadmap – Past (2)

  10. Roadmap – Current Status

  11. Roadmap – Future

  12. Current Status • Draft of Transformation Specification • Part I — Introduction • Part II — SysML4Modelica profile • Part III — Modelica meta-model • Part IV — SysML-Modelica mapping,a bidirectional mapping between the SysML4Modelica profile and the Modelica meta-model • Annex A – Robotic Sample Problem

  13. Organization of Transformation SysML-Modelica Transformation follows MDA principles (ormsc/09-02-01: MDA Foundation Model - Santa Clara AB initial comments draft http://www.omg.org/members/cgi-bin/doc?ormsc/09-02-01.pdf)

  14. Simple Example ModelicaModel SysML Descriptive Model SysML Analytical Model

  15. SysML4Modelica Formal, Bidirectional Transformation Modelica

  16. Summary • Objective: • Leverage the strengths of both SysML and Modelica by integrating them to create a more expressive and formal MBSE language. Descriptive Modeling in SysML + Formal Equation-Based Executable Modeling forAnalyses and Trade Studies in Modelica • Next Steps: • Submit RFC for vote at March meeting • Open source reference implementations http://www.omgwiki.org/OMGSysML/doku.php?id=sysml-modelica:sysml_and_modelica_integration

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