Abstract
The evolvement of large complicated system’s accidents can be treated as a chain of events (event chain), they drive the development of system’s potential risks, and worsen the safety condition of system, until the accidents happen. Some of the events are “critical events”, which have decisive influence to the accident occurrence, and they are the key points of system safety risk control. In this condition, the Event Sequence Diagram (ESD) is used for dynamic system’s accident evolvement modeling, for its unique modeling symbols can effectively describe the evolvement of accident in a certain system. Based on this, system critical event is defined to describe the key aspects of system safety. It can be understood as the last opportunity to avoid the accident. Searching algorithms of system critical events are designed, also a sensitive analysis method of relative variables is provided. A Monte Carlo simulation method is discussed for solving ESD model, which can provide quantitative description of accidents’ evolvement.
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© 2012 Springer-Verlag GmbH Berlin Heidelberg
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Hu, Y., Luo, P.C. (2012). Event Sequence Diagram Based Safety Critical Event Identification and Sensitive Analysis. In: Zhang, Y. (eds) Future Communication, Computing, Control and Management. Lecture Notes in Electrical Engineering, vol 142. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27314-8_22
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DOI: https://doi.org/10.1007/978-3-642-27314-8_22
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-27313-1
Online ISBN: 978-3-642-27314-8
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