Set Modifiers (glossary)
Design decisions that are ‘added on’ to the platform and can be modified to adapt to new missions and scenarios, e.g., sensors, weapons, communications equipment for a UAV and tires, type of oil, navigation software for a car.(Specking et al. 2018)
Specking, E., C. Whitcomb, G. Parnell, S. Goerger, E. Kundeti, and N. Pohl. 2018. “Literature Review: Exploring the Role of Set-Based Design in Trade-off Analytics.” Naval Engineers Journal. 130 (2): 51-62.