This handbooks project life cycle is identical to

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Unformatted text preview: nt Task (SEPIT) team, which met in 1993 and 1994. This handbook's project life cycle is identical to that promulgated in the SEPIT report, NASA Systems Engineering Process for Programs and Projects, JSC-49040. The SEPIT project life cycle is intentionally consistent with that in NMI 7120.4/NHB 7120.5 (Management of Major System Programs and Projects), but provides more detail on its systems engineering aspects. The content and style of this handbook show a teaching orientation. This handbook was meant to accompany formal NASA training courses on systems engineering, not to be a stand-alone, comprehensive view of NASA systems engineering. Systems engineering, in the authors' opinions, cannot be learned simply by starting at a well-defined beginning and proceeding seamlessly from one topic to another. Rather, it is a field that draws from many engineering disciplines and other intellectual domains. The boundaries are not always clear, and there are many interesting intellectual offshoots. Consequently, this handbook was designed to be a top-level overview of systems engineering as a discipline; brevity of exposition and the provision of pointers to other books and documents for details were considered important guidelines. This handbook consists of five core chapters: (1) systems engineering's intellectual process, (2) the NASA project life cycle, (3) management issues in systems engineering, (4) systems analysis and modeling issues, and (5) engineering specialty integration. These core chapters are supplemented by appendices, which can be expanded to accommodate any number of templates and examples to illustrate topics in the core chapters. The handbook makes extensive use of sidebars to define, refine, illustrate, and extend concepts in the core chapters without diverting the reader from the main argument. There are no footnotes; sidebars are used instead. The structure of the handbook also allows for additional sections and chapters to be added at a later date. The material for this handbook was drawn from many different sources, including field center systems engineering handbooks, NASA management instructions (NMls) and NASA handbooks (NHBs), field center briefings on systems engineering processes, non-NASA systems engineering textbooks and guides, and three independent systems...
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