| 实时专家系统可靠性分析的随机Petri网模型 |
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| 引用本文： | 张俊星,张纪会,张宏勋.实时专家系统可靠性分析的随机Petri网模型[J].信息与控制,1998,27(2):113-118. |
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| 作者姓名： | 张俊星 张纪会 张宏勋 |
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| 作者单位： | 东北大学信息科学与工程学院,沈阳,110006 |
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| 摘 要： | 可靠性是限制实时专家系统广泛应用的主要原因之一．然而目前国内尚未见有关的理论及论文出现．本文讨论了影响实时专家系统可靠性的主要因素．给出了基于规则专家系统推理过程的随机Ｐｅｔｒｉ网模型及其参数的数字化方法．在假定硬件系统可靠性一定且没有软件错误的条件下，通过对该模型的仿真对实时专家系统的可靠性进行了分析，给出系统可靠性与实时限制及启发误差之间的关系曲线．
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| 关 键 词： | 实时 专家系统 可靠性分析 随机Petri网 |
RELIABILITY ANALYSTS OF REAL-TIME EXPERT SYSTEM WITH IT'S STOCHASTIC PETRI NET MODEL |
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| ZHANG Junxing,Zhang Jihui,Zhang Hongxun.RELIABILITY ANALYSTS OF REAL-TIME EXPERT SYSTEM WITH IT''''S STOCHASTIC PETRI NET MODEL[J].Information and Control,1998,27(2):113-118. |
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| Authors: | ZHANG Junxing Zhang Jihui Zhang Hongxun |
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| Affiliation: | Northeastern University ShenYang 110006 |
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| Abstract: | Reliability is the key factor to constrain the widely application of real time expert system. However,there aren't the relative theories and articles in homeland up to now. In this paper the key factors to influence the reliability of expert system are being discussed. A stochastic Petri net model for Match Select Act cycle of Rule based expert system is given.A relation curve of the reliability with the real time constrain and the estimate error is given through the simulation to this model. |
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| Keywords: | Real-time Expert System Reliability Analysis Stochastic Petri Net |
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