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Course Outline

Introduction to System Modelling

  • Defining a system model
  • The four fundamental pillars of system modelling
  • Model-centric versus document-centric approaches
  • An overview of SysML
  • The connection between SysML and UML
  • The four key pillars of SysML

Common and Crosscutting Constructs

  • Using profiles, stereotypes, and tags
  • Diagram frames
  • Adding comments
  • Allocations

Package Diagrams

  • The concept of a package
  • Structuring models using packages
  • Package containment
  • Package dependencies
  • Representing model structure
  • Views and viewpoints

Requirement Diagrams

  • Defining a requirement
  • Modelling atomic requirements
  • Ensuring requirement traceability

Use Case Diagrams

  • The system as a black box
  • Identifying system boundaries through actors
  • Use cases as system services
  • Components behind the use case diagram
  • Use case structure: Nominal and alternative scenarios
  • Managing common behaviour
  • Extended and specialised behaviour

Activity Diagrams

  • Modelling flow-based logic
  • Distinguishing between actions and activities
  • Understanding token flow
  • Control flow versus object flow
  • Modelling decisions and concurrency
  • Swimlanes and responsibility allocation

Block Definition Diagrams

  • Defining a block
  • Block features
  • Modelling types
  • Modelling system hierarchy
  • Generalising system elements

Internal Block Diagrams

  • Parts revisited
  • Ports with Flow Properties
  • Standard ports and interfaces
  • Proxy ports and interface blocks
  • Full ports

Parametric Diagrams

  • The role of constraint blocks
  • Constraining system properties

Sequence Diagrams

  • Interaction-based behaviour
  • Basic sequences
  • Synchronous versus asynchronous interactions
  • Fragment nodes
  • Interaction use nodes

State Machine Diagrams

  • States and their syntax
  • Transitions between states
  • Pseudo-state notation (initial, decision, history, end)
  • Decomposing states
  • Modelling concurrent states

System Modelling Resources and Further Reading

  • Recommended web resources
  • Suggested literature

Requirements

No prior experience with system modelling is necessary for students attending this course; however, a strong command of “document-centric” systems engineering techniques is expected.

 21 Hours

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