Lecture4_MBSE_IBD - Model-Based Systems Engineering...

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1 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Click to edit Master subtitle style Model-Based Systems Engineering: Modeling Internal Structure with Internal Block Diagrams Leon McGinnis Chris Paredis www.pslm.gatech.edu/courses www.omg.org/ocsmp
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2 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Internal Block Diagrams in SysML SysML Diagram Structure Diagram Behavior Diagram Use Case Diagram Activity Diagram Internal Block Diagram Block Definition Diagram Sequence Diagram State Machine Diagram Parametric Diagram Requirement Diagram Modified from UML 2 New diagram type Package Diagram Same as UML 2 Revision by GIT; Original Source: OMG SysML Tutorial (June 2008). Reprinted with permission. Copyright © 2006-2008 by Object Management Group.
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3 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Contents Context: Interfaces in Systems Engineering Interconnections Connecting parts with Connectors Associations: Typed Connectors Ports and Interactions Flow-based Interaction Modeling what flows: Items and Item Flows Modeling what can flow: Flow Ports Service-based Interaction Receptions, Operations Interfaces Increasing Semantic Content: More precise + More Detailed
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4 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights The Systems Perspective System = an integrated set of elements that accomplish a defined objective Black-box perspective: hide internals and focus on the interactions White-box perspective: expose the internals as a composition of black boxes with interactions System Interactions with Environment Component Sub-System Sub-System Black Box White Box
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5 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Decomposition: Subsystems + Interactions Black Box White Box + Interface Definitions Particular Sub-System Solutions decompose specialize Functional, logical & physical refinement System Architecture decomposition based on well-defined interfaces
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6 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Automobile Domain – BDD System of interest
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7 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Internal Block Diagram Represents parts and their interconnections Can have multiple IBDs for a Block Original Source: "A Practical Guide to SysML: The Systems Modeling Language" Friedenthal, Moore, Steiner.
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8 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Internal Block Diagram Always associated with a Block The frame of the IBD = The block of which the internals are depicted
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9 M 2008-2010 Copyright © Georgia Tech and InterCAX. All Rights Contents Context: Interfaces in Systems Engineering Interconnections Connecting parts with Connectors Associations: Typed Connectors
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