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Title |
Analysis and Study of System Safety Based on Event Sequence Diagram |
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Author |
Zheng Long, Zhou Jinglun |
| Citation |
Vol. 8 No. 2 pp. 345-351 |
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Abstract |
The Event Sequence Diagram (ESD) is one new method in system safety analysis, which can effectively solve the deficiency of the traditional methods in safety modeling and analysis. In order to get the risk on the level of system and to obtain the quantitative decision reference of safety, this paper proposes an analytic method of system safety based on newly expanded ESD. In the article, the dynamic logical diagram formulation and its mathematics description for the expanded ESD framework are produced to enhance its function of modeling and connection with the system structure. The method will divide the system into different subsystems according to some criterions and unify a new algorithm of ESD, last develop a sort of software of dynamic system visualization modeling and analyze an aeronautic subsystem and traffic accident system with it. Finally, two examples are introduced to explain the validity of this newly developed ESD method. |
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Keywords |
Event sequence diagram, safety analysis, aeronautic subsystem, traffic accident analysis, visualization |
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