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概要

Rapid response processes are essential for enabling resilience, which provides a potential target for assessment. The response cycle is considered in three phases: (1) information transmission from system to Decision-Maker, (2) information processing, and (3) feedback action on the system. This research focuses on the first of the three phases, information transmission, and proposes a novel resilience assessment using an Information-Theoretic approach. From this point of view, resilience is considered to be the ability for a system to successfully communicate its state to the Decision-Maker in the face of unreliable information, particularly in the sudden degradation of transmission capability resulting from a disruptive event. A newly proposed metric of system resilience is the convexity in the curve of information entropy as a function of information loss. Convexity of the curve indicates the ability for a system to withstand disturbances without losing the ability to communicate and the ability to recover quickly if transmission is sufficiently compromised.

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