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Document GSFC NASA GPR 7120.5 REV A is offered by IHS as part of an online subscription. This subscription contains many documents on the same topic.
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GSFC NASA GPR 7120.5 REV A Document Information:
Title
SYSTEMS ENGINEERING (CANCELLING NASA GPG 7120.5)
NASA - GSFC - Robert H. Goddard Space Flight Center
Publication Date:
Jan 10, 2005
Scope:
This directive outlines a process for the systems engineering
of Goddard Space Flight Center (GSFC) Missions. The intent is to outline a set
of requirements that provide a consistent method for performing systems
engineering across GSFC projects. The requirements for system engineering
outlined in this directive are universal principles that, when followed,
should result in sound systems.
This directive defines the minimum set of systems engineering
functions for GSFC Missions. These functions, from a product perspective, are
defined and described. All phases of the mission lifecycle, and systems of
interest, from mission, through major system element, to subsystem, to
component or assembly are considered. The system engineering functions
described in this directive are universal and generally apply across the
board. What varies from project to project is who does them, to what degree
they are performed, and to what degree there is insight by the customer as to
how the functions are accomplished.
This directive is concerned with what must be done, along
with insight into why it is done, rather than how it is done. The referenced
SP-6105 provides detailed guidance on how to perform systems engineering
functions. The required functions are described by shall statements. Tailoring
of how, when, where, and by whom these functions are performed is described in
a project unique Systems Engineering Management Plan (SEMP). An example of a
SEMP outline is listed in Appendix B.
Principles for tailoring systems engineering activities are
listed in Appendix C. The tailoring guidelines address who performs the
functions and to what degree the functions are performed.
This directive defines systems engineering terminology
(Section P.10). Roles and Responsibilities (Section 1) and the systems
engineering lifecycle (Section 2) are defined. Communications and the systems
engineering team (Section 3) are discussed. Systems engineering functions and
products, and critical function flow and process operations, are discussed in
Section 4. Section 5 discusses Configuration Management and Documentation. The
required plan for systems engineering implementation is given in section 6.
Appendix A contains a list of the systems engineering requirements defined
within this directive. It may be used as a sample validation matrix.
APPLICABILITY. This systems engineering procedure shall be
tailored and applied to all missions (e.g., projects) for which GSFC is
responsible, as well as to deliverable instruments, spacecraft and other GSFC
mission products. This procedure applies to all concept studies, mission
formulation, and implementation subprocesses, including mission operations,
decommissioning and disposal.
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