Multi-attribute tradespace exploration for survivability is a system design and analysis methodology that incorporates survivability considerations into the tradespace exploration process (i.e., a solution-generating and decision-making framework that applies decision theory to model-based design). During the concept-generation phase of tradespace exploration, the methodology applies 17 empirically validated survivability design principles spanning susceptibility reduction, vulnerability reduction, and resilience enhancement. During subsequent concept evaluation, the methodology adds value-based survivability metrics to traditional architectural evaluation criteria of mission utility and life-cycle cost. Applied to a satellite radar mission, the methodology allowed operational survivability to be statistically evaluated across representative distributions of naturally occurring disturbances in the space environment and for survivability to be incorporated as a decision factor earlier in the design process. Constellations in the illustrative example are shown to be the most survivable, mitigating disturbances architecturally rather than through additive features.
Multi-Attribute Tradespace Exploration for Survivability
Journal of Spacecraft and Rockets ; 51 , 5 ; 1735-1752
2014-09-01
Article (Journal)
Electronic Resource
English
Multi-Attribute Tradespace Exploration for Survivability: Application to Satellite Radar
British Library Conference Proceedings | 2009
|Metrics for Evaluating Survivability in Dynamic Multi-Attribute Tradespace Exploration
British Library Conference Proceedings | 2008
|Metrics for Evaluating Survivability in Dynamic Multi-Attribute Tradespace Exploration
Online Contents | 2009
|