SysML and UML 2 support for activity modeling

  • Authors:
  • Conrad Bock

  • Affiliations:
  • U.S. National Institute of Standards and Technology, 100 Bureau Drive, Stop 8263, Gaithersburg, MD 20899-8263

  • Venue:
  • Systems Engineering
  • Year:
  • 2006

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Abstract

This article describes activity modeling as specified by the Systems Modeling Language (as specified by the SysML Merge Team, , February 2006) and the finalization of the Unified Modeling Language version 2 (UML 2). It reviews and updates an earlier proposed alignment between Enhanced Functional Flow Block Diagrams (EFFBD), UML 2 Activities, and requirements developed by the International Council on Systems Engineering and Object Management Group. It presents a spectrum of activity modeling techniques, ranging from a widely used systems engineering diagram, the EFFBD, to continuous flow modeling. The techniques include control capabilities, continuous system concepts, and others related to functional decomposition and allocation. The article also describes refinements of activity modeling concepts identified during SysML development. © 2006 Wiley Periodicals, Inc. Syst Eng 9:160–186, 2006This article is a US Government work and, as such, is in the public domain in the United States of America. Commercial equipment and materials might be identified to adequately specify certain procedures. In no case does such identification imply recommendation or endorsement by the U.S. National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.