| 基于Petri net的故障诊断理论研究 |
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| 引用本文： | 叶俊,龙志强.基于Petri net的故障诊断理论研究[J].控制与决策,2007,22(12):1403-1407. |
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| 作者姓名： | 叶俊 龙志强 |
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| 作者单位： | 国防科技大学,机电工程与自动化学院,长沙,410073 |
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| 基金项目： | 国家自然科学基金项目（60404003）;湖南省自然科学基金项目（03JY3108）. |
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| 摘 要： | 首先将故障概率的概念引入基于Petrinet的故障诊断方法中．针对Place和Transition．提出了P概率和T概率的概念；然后给出了它们的定义和计算定理；最后．在P概率和丁概率的基础上．对故障树分析（FTA）中“重要度”的概念略加调整，并将其引入所提出的故障诊断方法中．为Place和Transition定义了“重要度”．同时给出了计算方法．
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| 关 键 词： | Petri net 故障诊断 故障概率 重要度 |
| 文章编号： | 1001-0920（2007）12-1403-05 |
| 收稿时间： | 2006-08-31 |
| 修稿时间： | 2006-12-30 |
Fault diagnosis theory based on Petri net |
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| YE Jun,LONG Zhi-qiang.Fault diagnosis theory based on Petri net[J].Control and Decision,2007,22(12):1403-1407. |
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| Authors: | YE Jun LONG Zhi-qiang |
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| Abstract: | According to the introduction of the concept of fault possibility into the fault diagnosis theory based on Petri net, the concept of P possibility and T possibility is proposed. A definition and practicable calculation theorem are given. Based on the P/T possibility, the concept of importance of FTA is introduced into the fault diagnosis theory, and a definition is given as well as the method for its calculation. |
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| Keywords: | Petri net Fault diagnosis Fault possibility Importance |
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