Transcription of Fundamentals of Systems Engineering
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Fundamentals of Systems Engineering
Fundamentals of Systems Engineering Prof. Olivier L. de Weck Session 9 Verification and Validation 1 General Status Update A5 is due next week ! 23 Outline Verification and Validation What is their role? Position in the lifecycle Testing Aircraft flight testing (experimental vs. certification) Spacecraft testing ( shake and bake ) Caveats Technical Risk Management Risk Matrix Iron Triangle in Projects: Cost, Schedule, Scope > Risk system Safety Flight Readiness Review (FRR) 4 Readings related to this lecture NASA/SP-2007-6105 Section (pp. 83-97) Section (pp. 98-105) Appendix E (p. 284) Appendix I (p. 301) Leveson, N., A New Accident Model for Engineering Safer Systems , Safety Science, Vol. 42, No. 4, April 2004 5 Verification and Validation Stakeholder Analysis Set Requirements =Metric + Target value Complete? Intended function Concept Implemented Design Solution Start Model End SE process Solvable?
PFAR—Post-Flight Assessment Review PLAR—Post-Launch Assessment Review ... technology maturity, supplier capability, design maturation, performance against plan, etc., as these aspects relate within the systems structure and with interfacing ... •Software Bugs
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