頁籤選單縮合
題名 | A Petri Net Approach to Finding Minimum Tie-Sets for System Reliability Evaluation= |
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作者 | Yang, Shang-kuo; |
期刊 | International Journal of Electrical Engineering |
出版日期 | 20050800 |
卷期 | 12:3 民94.08 |
頁次 | 頁245-254 |
分類號 | 448.2 |
語文 | eng |
關鍵詞 | Hybrid Petri nets; Reliability evaluation; Tie-sets; Power distribution system; |
英文摘要 | A system's reliability must be evaluated after it is configured to judge whether the design is acceptable or not. a method for system reliability evaluation based on Petri-nets is proposed in this study. This method begins with transforming the reliability block diagram of a system to be evaluated to a Petri-net, then followed by establishing a matrix in accordance with Petri-net, which gives all minimum tie-sets of the system. Finally, the reliability of the system is obtained from the union of the probabilities of the minimum tie-sets. This method offers a logical way to find out all minimum tie-sets of a system, from which reliability of the system can be evaluated. Three examples are given to demonstrate this method and to compare with three other well-known methods for system reliability evaluation. Moreover, the power distribution network of Tachiachi hydropower pints is employed to illustrate how a complex-system reliability is evaluated by utilizing this method. As long as the schematic description of a system is given, the method can be applied to evaluate the reliability of that system. This method offers another viable option for system reliability evaluation. |
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