| 基于区分矩阵约简的制冷系统故障诊断 |
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| 引用本文： | 张青枝,吴钢,陈金增,李光华.基于区分矩阵约简的制冷系统故障诊断[J].低温与超导,2009,37(10). |
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| 作者姓名： | 张青枝 吴钢 陈金增 李光华 |
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| 作者单位： | 海军工程大学机械工程系,武汉,430033 |
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| 基金项目： | 湖北省自然基金项目(2004ABA027)资助 |
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| 摘 要： | 针对区分矩阵的特点,给出了一种求决策表的属性约简和属性核的方法,以制冷系统的故障为对象,对制冷系统的故障诊断特征参数的属性进行约简,剔除其中不必要的属性,降低了故障分析的复杂性,并根据约简后的决策表得出了决策规则。
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| 关 键 词： | 粗糙集 区分矩阵 制冷系统 约简和核 |
Fault diagnosis of refrigerated system of reduction based on discernibility matrix |
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| Zhang Qingzhi,Wu Gang,Chen Jinzeng,Li Guanghua.Fault diagnosis of refrigerated system of reduction based on discernibility matrix[J].Cryogenics and Superconductivity,2009,37(10). |
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| Authors: | Zhang Qingzhi Wu Gang Chen Jinzeng Li Guanghua |
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| Institution: | Department of Mechanical Engineering;Naval University of Engineering;Wuhan 430033;China |
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| Abstract: | Based on fault diagnosis of refrigerated system,this paper introduces an approach for processing knowledge reduction and core by discernibility matrix.Discernibility matrix is taken as a major tool to reduce the rules of fault diagnosis system in which unnecessary properties are eliminated.The complexity of fault diagnosis system's structure is also reduced.The decision-making rules are given finally. |
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| Keywords: | Rough sets Discernibility matrix Refrigerated system Reduction and core |
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