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2.2 Definition of Systems Engineering Systems engineering is a robust approach to the
design, creation, and operation of systems. In simple
terms, the approach consists of identification and
quantification of system goals, creation of alternative
system design concepts, performance of design trades,
selection and impleSystems Engineering per ElA/IS
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. Systems engineering encompasses
(a) the technical efforts related to the development,
manufacturing, verification, deployment, operations,
support) disposal of, and user training for, system products and processes; (b) the definition and management
of the system configuration; (c) the translation of the
system definition into work breakdown structures; and
(d) development of information for management decision making." mentation of the best design, verification that the design
is properly built and integrated, and post-implementation
assessment of how well the system meets (or met) the
goals. The approach is usually applied repeatedly and
recursively, with several increases in the resolution of
the system baselines (which contain requirements,
design details, verification procedures and standards,
cost and performance estimates, and so on).
Systems engineering is performed in concert with
system management. A major part of the system engineer's role is to provide information that the system
manager can use to make the right decisions. This
includes identification of alternative design concepts and
characterization of those concepts in ways that will help
the system managers first discover their preferences,
then be able to apply them astutely. An important aspect
of this role is the creation of system models that
facilitate assessment of the alternatives in various
dimensions such as cost, performance, and risk.
Application of this approach i...
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