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Other Definitions

“Systems Engineering is a (thought) process employed in the evolution of a need into an ultimate deployment.” Source: Blanchard and Fabrycky, 2nd edition, 1990; pg. 21 “Systems Engineering is the structured, multidisciplinary development of creating complex systems while minimizing risks and satisfying the customer.” Source: INCOSE 1992 “Systems Engineering is an interdisciplinary approach encompassing the entire technical effort to evolve and verify an integrated and life-cycle balanced set of system, people, product, and process solutions that satisfy customer needs.” Source: EIA 632

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Fundamental Concepts

System

Definition of a System: A system is a construct or collection of different elements that together produce results not obtainable by the elements alone. A Consensus of the INCOSE Fellows Said another way: A System performs a function, transforming inputs to outputs and consists of a collection of interacting components with a common goal.

Segment

Subsystem

Assembly

Part

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