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These specialty engineering areas typically include

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Unformatted text preview: . System engineers must also rely on contributions from the specialty engineering disciplines, in addition to the traditional design disciplines, for functional expertise and specialized analytic methods. These specialty engineering areas typically include reliability, maintainability, logistics, test, production, transportation, human factors, quality assurance, and safety engineering. Specialty engineers contribute throughout the systems engineering process; part of the system engineer's job is to see that these functions are coherently integrated into the project at the right times and that they address the relevant issues. One of the objectives for Chapter 6 is to develop an understanding of how these specialty engineers contribute to the objective of systems engineering. In both systems analysis and systems engineering, the amounts and kinds of resources to be made available for the creation of the system are assumed to be among the NASA Systems Engineering Handbook Fundamentals of Systems Engineering decisions to be made. Systems engineering concentrates on the creation of hardware and software architectures and on the development and management of the interfaces between subsystems, while relying on systems analysis to construct the mathematical models and analyze the data to evaluate alternative designs and to perform the actual design trade studies. Systems analysis often requires the use of tools from operations research, economics, or other decision sciences, and systems analysis curricula generally include extensive study of such topics as probability, statistics, decision theory, queueing theory, game theory, linear and non-linear programming, and so on. In practice, many system engineers' academic background is richer in the engineering disciplines than in the decision sciences. As a consequence, the system engineer is often a consumer of systems analysis products, rather than a producer of them. One of the major objectives for Chapter 5 is to develop an understanding and appreciation of the state of that art. Operations research and operations engineering confine their attention to systems whose components...
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