Brittle relationship analysis of human error accident of warship technology supportability system based on set pair analysis

Abstract

Warship technology supportability system is a typical complex system as it involves the complicated relationships among human, machine and environment. For this reason, human errors causing accidents are also complicated in the system, and affected by the relationships between the structure of warship technology supportability system and its subsystems, including human, organization and environment. First, this paper analyzes the characteristics of warship technology supportability human error accidents. Based on Reason-SHEL model and complex system brittleness theory, it then analyzes the brittle basic elements in the warship technology supportability human error accident system and the type of interaction between them, and applies the set pair theory in quantitatively describing the degree of interaction between subsystems based on the brittle relationship entropy. At last, 80 cases of human error accident are gathered to calculate the brittle relationship entropy of subsystems, so as to conclude the degree of influence the structure of warship technology supportability system has on human error accidents.