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Systems Engineering (Sistem Mühendisliği). Doç. Dr. A. Egemen YILMAZ Ankara Üniversitesi Elektrik-Elektronik Müh. Bölümü Problems and Handling. Problems in the text-books Problems in real-life Are they the same? Are they similar? New Paradigm in Higher Education

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systems engineering sistem m hendisli i

Systems Engineering(Sistem Mühendisliği)

Doç. Dr. A. Egemen YILMAZ

Ankara Üniversitesi Elektrik-Elektronik Müh. Bölümü

problems and handling
Problems and Handling
  • Problems in the text-books
  • Problems in real-life
  • Are they the same? Are they similar?

New Paradigm in Higher Education

  • Just in case teaching (before 1950s)
  • Just in time learning (after 1950s)
systems engineering
Systems Engineering
  • The function of systems engineering is “to guide the engineering of complex systems”.
  • To guide: “to lead, manage, or direct, usually based on the superiorexperience in pursuing a given course” and “to show the way”.
  • Engineering: “the application of scientific principles to practical ends; as the design,construction and operation of efficient and economical structures, equipment, and systems”.
  • System: “a set of interrelatedcomponents working together toward some common objective”.
systems engineering1
Systems Engineering


  • “Complex”system: a system in which the elements are diverse andhave intricate relationships with one another.
  • “Engineered” system: excludes complex systems such as living organisms or ecosystems
systems engineering2
Systems Engineering
  • Focused on the system as a whole; it emphasizes its totaloperation.
  • Looks at the system from the outside, that is, at its interactions withother systems and the environment, as well as from the inside.
  • Concernednot only with the engineering design of the system, but also with external factors,which can significantly constrain the design, including the identification of:
    • customer needs,
    • system operational environment,
    • interfacing systems,
    • logisticssupport requirements,
    • the capabilities of operating personnel, and such otherfactors
systems engineering3
Systems Engineering
  • Also responsible for leading the formative (concept development)stage of a new system development
  • Important design decisionsat this stage cannot be based entirely on quantitative knowledge, but rather must often rely on qualitativejudgments utilizing experiencein a variety of disciplines
  • Bridges the traditional engineering disciplines. The diversityof the elements in a complex system requires different engineering disciplines to be involved.
  • Coordinates the design of eachindividual element.Especially important when individual system elements are designed,tested, and supplied by different organizations
origins of systems engineering
Origins of Systems Engineering
  • First known system with specifications: Noah’s Ark
  • Egyptian pyramids
  • Industrial Revolution
  • World War I
  • World War II
  • Cold War
responsibilities of a systems engineer
Responsibilities of a Systems Engineer
  • Requirements Analysis
  • Trade-Off Analysis (Decision Modeling)
  • System Test and Evaluation
  • Requirements Verification
  • Technical System Design Reviews
  • Risk Management
  • Configuration Management
  • Reliability, Maintainability, and Availability (RMA) Engineering
  • Producibility Engineering
  • Safety Engineering
  • Human Factors Engineering
  • System Integration
systems engineering related disciplines
Systems Engineering Related Disciplines
  • Management (but differs by being analytical and advising while management acts as the decision makers)
  • Designers (but differs by being the integrators of the designs instead of being involved in all the intricate details of each component)
  • Specialty engineering (but differs by being the recipient of the specialty engineering tasks instead of the prime contributors)
  • Systems analysis (but differs by keeping focus on hardware, software, and interface development instead of mathematical models evaluation of alternatives and decision model designing)
  • Operations research (but differs by not limiting the changing of resources used in the way that the system operates)
systems engineering process
Systems Engineering Process


  • State the Problem
  • Investigate Alternatives
  • Model the System
  • Integrate
  • Launch the System
  • Assess Performance
  • Re-evaluate