System Engineering                                    Saranya.V                                      AP/CSE,Sri Vidya Coll...
• All aspects of computer based systems  development including hardware and  software process engineering.  – Usually use ...
• Much scope for misunderstanding here.• Different disciplines use a different  vocabulary and much negotiation is require...
System Definition• Simply known as functional unit.  – Executes user written programs  – Performs user designated manipula...
• System engineering focuses on how complex  engineering projects should be designed and  managed.• Define customer needs ...
System engineering processSIMILAR:•   State the problem(customer needs)•   Investigate alternatives•   Model the system•  ...
Requirements                                            System  definition                                        decommis...
• Interaction between engineering:  – All major engg integration  – Bioinformatics:     • Biotechnology     • Information ...
System engineering hierarchy• Model:  – Simplified representation of a system.• Simulation  – Computerized version of a mo...
Hierarchy• World view  – Public health care, e governance trade and    commerce, banking & finance.• Domain view  – Concen...
Modeling the system• Explains how the system is working.• Elements of system modeling:  – Inputs  – Processes  – Outcomes.
System engineering
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System engineering

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System engineering

  1. 1. System Engineering Saranya.V AP/CSE,Sri Vidya College of Engineering & Technology, Virudhunagar
  2. 2. • All aspects of computer based systems development including hardware and software process engineering. – Usually use Waterfall model – Little scope for iteration between phases because hardware changes are very expensive. Software may have to compensate for hardware problems.
  3. 3. • Much scope for misunderstanding here.• Different disciplines use a different vocabulary and much negotiation is required.• Engineers may have personal agendas to fulfill.
  4. 4. System Definition• Simply known as functional unit. – Executes user written programs – Performs user designated manipulation – Includes arithmetic logic operations – Use common storage access. – associated software’s
  5. 5. • System engineering focuses on how complex engineering projects should be designed and managed.• Define customer needs and required functionality early in the development life cycle, documenting.
  6. 6. System engineering processSIMILAR:• State the problem(customer needs)• Investigate alternatives• Model the system• Integrate (bringing elements together)• Launch the system (output)• Assess performance (evaluation criteria)• Re-evaluation
  7. 7. Requirements System definition decommissioning System System design evolution Sub system System development installation System integration
  8. 8. • Interaction between engineering: – All major engg integration – Bioinformatics: • Biotechnology • Information technology • etc
  9. 9. System engineering hierarchy• Model: – Simplified representation of a system.• Simulation – Computerized version of a model• Modeling and simulation is a discipline for developing a level of understanding of the interaction of the parts of a system.
  10. 10. Hierarchy• World view – Public health care, e governance trade and commerce, banking & finance.• Domain view – Concentrate on specific domain – Education • College, school, etc• Element view – Focuses on sub domain(Admission,exams,etc)• Detailed view – (internal marks, university, internal…)
  11. 11. Modeling the system• Explains how the system is working.• Elements of system modeling: – Inputs – Processes – Outcomes.
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