Part A – MBSE Foundation

Part A – MBSE Foundation [ 40 Marks]

1. Name the key benefits of MBSE in comparison to traditional systems engineering practice. [2]
   MBSE is a formalized process that depends on modelling system requirements, designs, analysis, verification and validation activities from beginning to end of a project lifecycle. MBSE primarily uses models to run scenarios and provide “what if” analysis to help determine requirements and further define a system.
2. For the Systems Engineering Design Process, list at least 3 activities within each of the followings:
   • requirements analysis [2]
   Answer.
   • functional analysis [2]
   Answer.
   • synthesis [2]
   Answer.
   • system analysis and control [2]
   Answer.
3. MBSE model:
   • What is a systems model? [1]
   Answer.
   • What is a viewpoint? [1]
   Answer.
   • What is a view? [1]
   Answer.
   • What is a diagram? [1]
   Answer.
4. MBSE methodology:
   • What is a process? [1]
   A process defines what is to be done, without specifying how each task is performed.
   • What is a Method? [1]
   A method consists of techniques for performing a task, in other works it defines the “how” of each task.
   What is a Tool? [1]
   A tool is an instrument that when applied to a particular method, can enhavnce the efficiency of the task; provided it is applied by someone. The purpose of a tool should be to facilitate the accomplishment of the “how”.
5. Name the four Pillars in SysML and the SysML diagrams used in each pillar. [4]
   Answer.
6. Name and describe 5 types of SysML allocation. [5]
   Answer.
7. Name 2 Defense Architecture Frameworks. [2]
   Answer.
8. Name 8 viewpoints in DoDAF 2.0. [8]
   Answer.
9. Describes key characteristics of a system of Systems. [4]
   Answer.
10. (Bonus Question) What are the 5 key aspects of the Systems Engineering Standards Framework? [5]
    Answer.
    Part B – MBSE Practice [30 Marks]
11. Given the OOSEM Specify and Design System Process below in your own words:
    a) Describe the key activities in Analyze Stakeholder Needs. [5marks]
    Answer.
    b) Describe the key activities in Analyze System Requirements. [5marks]
    Answer.
    c) Describe the key activities in Define Logical Architecture. [5marks]
    Answer.
    d) Describe the key activities in Synthesize Candidate Physical Architecture. [5marks]
    Answer.
12. Explain the action flow in the below activity diagram [5 marks]
    Answer.
13. Explain the state transition diagram below [5 marks]
    Answer.
14. (Bonus Question) Explain the sequence of interactions in the below Sequence Diagram. [ Bonus 5 marks]
    Answer.

Part C – SysML Modelling in Cameo Systems Modeller [30 Marks]
(Note – Remember to submit the model with your answer in Canvas & then delete it from your computer)

1. Open and run Cameo Systems Modeler. Then draw a Block Definition Diagram for a Vehicle below [10 Marks].
   Export and insert the new diagram here.
2. In Systems Modeler, draw the Use Case diagram below (10 marks)
   Export and insert the new diagram here.
3. In Systems Modeler, draw the Drive Vehicle state machine diagram below [10 marks)
   Export and insert the new diagram here.
4. (Bonus Question) In Systems Modeler, draw the Requirements Diagram below [10 marks].
   Export and insert the new diagram here.
   Note – Remember to submit the SysML model with your answer in Canvas, and delete it from your computer.

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