Beginners Guide to Model-Based Systems Engineering

12/18/2018

Key Semantics of Internal Block Diagrams

ibdGeospatialLibrary

• Blocks (components) • Represented as nodes

CertificationResponse Link{:CertificationResponses}

Customer Server

• Role indicated at the top of the node

: Workstation

CertificationRequest Link{:CertificationRequests}

• Connections (logic Interfaces or physical Links) • Represented as lines connecting nodes

DisapprovalNotification Link{:CertificationDisapprovalNotification}

• Labeled with name and items • Optionally display items carried (delimited by braces) for additional detail

Request-Product Link{:CollectionProducts, :Product Order}

Schedule Delivery Link{:Estimated Delivery Schedule}

Collector Server

GL Internal Link {:FormattedRequest, :Inventory Product}

• External Systems

Collector Product Link{:Collector Data}

: CommandCenter

CC 5

• Displayed as boxes on the frame

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Key Semantics of Internal Block Diagrams, cont.

ibdGeospatialLibrary

• Ports

CertificationResponse Link{:CertificationResponses}

Customer Server

• Reflect detailed specification • Directionality • in • out • inout • Required interfaces indicated via socket notation • Provided interfaces indicated via ball notation

: Workstation

CertificationRequest Link{:CertificationRequests}

DisapprovalNotification Link{:CertificationDisapprovalNotification}

Request-Product Link{:CollectionProducts, :Product Order}

Schedule Delivery Link{:Estimated Delivery Schedule}

Collector Server

GL Internal Link {:FormattedRequest, :Inventory Product}

Collector Product Link{:Collector Data}

: CommandCenter

CC 5

Additional information available in Chapter 7 of A Practical Guide to SysML

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