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权值法冲突解决策略的研究及其在保护动作行为分析中的应用
引用本文:陈全,凌艳,戴薇,杨辉,袁建洲,徐敏.权值法冲突解决策略的研究及其在保护动作行为分析中的应用[J].南昌大学学报(工科版),2014(2):182-185.
作者姓名:陈全  凌艳  戴薇  杨辉  袁建洲  徐敏
作者单位:[1]南昌大学信息工程学院,江西南昌330031 [2]湖北省咸宁供电公司,湖北咸宁437000 [3]江西省吉安供电公司,江西吉安343009
基金项目:中央高校基本科研业务费专项基金资助项目(207274006);湖北省电力公司2013年科技资助项目(2201).
摘    要:将基于权值法的冲突解决策略,应用于专家系统的推理机设计,提高推理机的效率及结果的可靠性。首先按模型诊断的原理求解并获取冲突集,随后按照不确定性推理的理念,将冲突集中对应的专家系统规则库的每一条规则赋予权值,按照权值大小的不同对冲突集中规则的优先级进行排序,从而确定该冲突集的启用规则。将此冲突解决策略,应用于专家系统的正向推理过程,同时结合继电保护的动作情况原理,实现专家系统推理机的优化与改进。

关 键 词:冲突解决  权值法  模型诊断  正向推理

Research on conflict resolution strategy based on weight method and its application on protective action analysis
CHEN Quan,LING Yan,DAI Wei,YANG Hui,Yuan Jianzhou,XU Min.Research on conflict resolution strategy based on weight method and its application on protective action analysis[J].Journal of Nanchang University(Engineering & Technology Edition),2014(2):182-185.
Authors:CHEN Quan  LING Yan  DAI Wei  YANG Hui  Yuan Jianzhou  XU Min
Affiliation:1. School of Information Engineering, Nanchang University, Nanchang 330031, China ;2. Hubei Xianning Electric Power Supply Company, Xianning 437000, China ;3. Jiangxi Ji' an Electric Power Supply Company ,Ji' an 343009, China)
Abstract:In order to improve the efficiency and the reliability of the results of reasoning machine, the conflict solution strategy was applied to reasoning machine design in expert system based on weight method. Firstly, the conflict sets were solved and obtained according to the principle of model-based diagnosis, and then each rule of expert system rule base in the conflict sets is given a weight value according to the concept of uncertainty reasoning. It sorts the priority of the rule in the conflict sets on the basis of the different size of weight, which can be used to determine the enabled rule among the conflict set. To realize optimization and improvement of the expert system reasoning machine, the conflict resolution strategy is used for forward reasoning of expert system combining with the operation principle of the relay protection.
Keywords:conflict resolution  weight method  model-based diagnosis  forward reasoning
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