Abstract
In recent years, a system is connected to other systems to meet various demands from users. When a system/component is connected to other systems, there is a possibility that a new system hazard is generated called an emerging hazard. Then, emerging hazards cause new losses by connecting an additional system. The mechanism of emerging hazards becomes complicated especially for a system of systems. Currently, hazard analysis methods such as FMEA, FTA, HAZOP, PRA, STAMP/STPA, etc. have been applied to a system of systems. However, regarding identification of hazards and losses when connecting a system/component, there is no process model to systematically identify emerging hazards and their associated losses that would emerge. This research proposes a Hazards and Losses Identification Process (LHIP), and shows two examples of its application such as radiation therapy and a nuclear power plant. The losses, hazards and their relationships have been systematically identified.
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