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- Title
Incorporating quantitative reliability engineering measures into tradespace exploration.
- Authors
Bhattacharya, Saikath; Nagaraju, Vidhyashree; Spero, Eric; Ghoshal, Anindya; Fiondella, Lance
- Abstract
Recently, tradespace analysis and exploration has emerged as an important focus area within the Department of Defense Engineered Resilient System initiative, which draws upon engineering concepts, science, and design tools to produce trusted and effective solutions for a wide range of operational contexts. Most of the previous research on tradespace analysis, including those developed for rotorcraft, emphasize performance. However, non-functional requirements such as reliability, availability, and maintainability have received minimal consideration, despite their direct influence on program level concerns such as operation and support as well as affordability. This paper proposes a strategy to incorporate reliability engineering into tradespace analysis. We also develop a subsystem-level reliability investment model that is illustrated through a simplified example. Our results suggest that reliability investment could achieve significant savings over a systems lifecycle, thereby enabling improved fleet availability and a larger fleet size.
- Subjects
RELIABILITY in engineering; NON functional requirements (Systems engineering); OPERATIONS research; ROTORCRAFT; MAINTAINABILITY (Engineering)
- Publication
Research in Engineering Design, 2018, Vol 29, Issue 4, p589
- ISSN
0934-9839
- Publication type
Article
- DOI
10.1007/s00163-018-0293-8