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Systems Engineering (Sistem Mühendisliği). Doç. Dr. A. Egemen YILMAZ Ankara Üniversitesi Elektrik-Elektronik Müh. Bölümü [email protected] 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

[email protected]

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