Assessing risk and prevent accidents in complex system
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The article intends to identify relevant risk analysis methods that include human and organizational factor, BORA and ORIM, and compare the two methods in the field of risk analysis. Discuss and define the term complexity as well as complex system in relationship to risk analysis, here Chinese traditional medical way of thinking is introduced due to the similarity of risk analysis and diagnosing people. Interaction and coupling are reviewed in order to better understanding the complex system. Integrated operation (IO) case was introduced, it was claimed to be a complex system according to the definition discussed before. BORA and ORIM are claimed to be not suitable to analysis the complex system like IO. Other approaches were introduced to analysis IO,STAMP and why-because analysis (WBA). At last some suggestions concerning the IO were presented to prevent accidents and reduce risk.