NTRS - NASA Technical Reports Server

Back to Results
Early Engagement of Safety and Mission Assurance Expertise Using Systems Engineering Tools: A Risk-Based Approach to Early Identification of Safety and Assurance RequirementsDecades of systems engineering practice have demonstrated that the earlier the identification of requirements occurs, the lower the chance that costly redesigns will needed later in the project life cycle. A better understanding of all requirements can also improve the likelihood of a design's success. Significant effort has been put into developing tools and practices that facilitate requirements determination, including those that are part of the model-based systems engineering (MBSE) paradigm. These efforts have yielded improvements in requirements definition, but have thus far focused on a design's performance needs. The identification of safety & mission assurance (S&MA) related requirements, in comparison, can occur after preliminary designs are already established, yielding forced redesigns. Engaging S&MA expertise at an earlier stage, facilitated by the use of MBSE tools, and focused on actual project risk, can yield the same type of design life cycle improvements that have been realized in technical and performance requirements.
Document ID
Acquisition Source
Glenn Research Center
Document Type
Conference Paper
Darpel, Scott
(NASA Glenn Research Center Cleveland, OH United States)
Beckman, Sean
(NASA Glenn Research Center Cleveland, OH, United States)
Date Acquired
December 29, 2016
Publication Date
May 18, 2016
Subject Category
Engineering (General)
Report/Patent Number
Meeting Information
Meeting: International Association for the Advancement of Space (IAASS) Conference: Safety First Safety for All
Location: Melbourne, FL
Country: United States
Start Date: May 18, 2016
End Date: May 20, 2016
Sponsors: International Association for the Advancement of Space Safety
Funding Number(s)
WBS: WBS 432938.
Distribution Limits
Work of the US Gov. Public Use Permitted.
No Preview Available