| 基于GSPN的网络系统动态可靠性建模方法 |
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| 引用本文： | 陈克伟,董利霞,李丹.基于GSPN的网络系统动态可靠性建模方法[J].计算机测量与控制,2012,20(4):1091-1094. |
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| 作者姓名： | 陈克伟 董利霞 李丹 |
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| 作者单位： | 1. 装甲兵工程学院控制工程系,北京,100072
2. 武汉大学电子信息学院,湖北武汉,430072 |
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| 基金项目： | 军内科研计划项目资助(2005JC03) |
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| 摘 要： | 针对传统可靠性建模方法难以描述和评价网络系统动态可靠性这一难题,提出一种基于广义随机Petri网(generalized sto-chastic petri net,GSPN)的网络系统动态可靠性建模方法,在讨论GSPN的形式化定义和建立GSPN建模要素与可靠性模型参数之间对应关系的基础上,详细描述了网络系统动态可靠性建模的过程;最后以某型车电系统为例,通过仿真实验得到了系统可用度指标的动态变化曲线,验证了所提方法的有效性。
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| 关 键 词： | 网络系统 动态可靠性 建模方法 广义随机Petri网 车电系统 |
Dynamic Reliability Modeling Method for Net System based on Generalized Stochastic Petri Net |
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| Chen Kewei
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Dong Lixia
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Li Dan.Dynamic Reliability Modeling Method for Net System based on Generalized Stochastic Petri Net[J].Computer Measurement & Control,2012,20(4):1091-1094. |
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| Authors: | Chen Kewei Dong Lixia Li Dan |
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| Affiliation: | 1.Department of Control Engineering,Academy of Armored Force Engineering,Beijing 100072,China; 2.School of Electronic Information,Wuhan University,Wuhan 430072,China) |
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| Abstract: | Aiming at the problem that it is difficult to model and analyze the dynamic reliability for net systems by the traditional reliability modeling methods,a new net system dynamic reliability modeling method based on generalized stochastic petri net(GSPN) is proposed.On the basis of discussing the formalization definition of GSPN and constructing the relation between the modeling elements of GSPN and the parameters of reliability model,it describes the process of modeling the dynamic reliability model for net system particularly.Finally,a certain type of integrated vetronics system is selected as an example,and the dynamic curves of availability are obtained by simulation experiment,and the proposed modeling method is validated. |
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| Keywords: | net system dynamic reliability modeling method generalized stochastic petri net integrated vetronics system |
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