云南电力技术
雲南電力技術
운남전력기술
YUNNAN ELECTRIC POWER
2015年
3期
9-12,28
,共5页
焦万章%钱国超%颜冰%黄禾
焦萬章%錢國超%顏冰%黃禾
초만장%전국초%안빙%황화
粗糙集%模糊神经网络%电力变压器%故障诊断
粗糙集%模糊神經網絡%電力變壓器%故障診斷
조조집%모호신경망락%전력변압기%고장진단
rough set%fuzzy neural network%power transformer%fault diagnosis
针对变压器故障的复杂性、模糊性以及模糊集理论、神经网络和粗糙集理论的优缺点,利用粗糙集理论的属性约简和规则生成能力和模糊神经网络在模式识别方面具有容错和分类优势。采用粗集理论对采集到的变压器油中溶解气体数据形成的规则进行约简处理,建立精简的规则集,根据规则集建变压器故障诊断的神经网络模型,采用自适应遗传算法优化神经网络连接的权值,通过仿真验证了该网络较好的诊断性能。
針對變壓器故障的複雜性、模糊性以及模糊集理論、神經網絡和粗糙集理論的優缺點,利用粗糙集理論的屬性約簡和規則生成能力和模糊神經網絡在模式識彆方麵具有容錯和分類優勢。採用粗集理論對採集到的變壓器油中溶解氣體數據形成的規則進行約簡處理,建立精簡的規則集,根據規則集建變壓器故障診斷的神經網絡模型,採用自適應遺傳算法優化神經網絡連接的權值,通過倣真驗證瞭該網絡較好的診斷性能。
침대변압기고장적복잡성、모호성이급모호집이론、신경망락화조조집이론적우결점,이용조조집이론적속성약간화규칙생성능력화모호신경망락재모식식별방면구유용착화분류우세。채용조집이론대채집도적변압기유중용해기체수거형성적규칙진행약간처리,건립정간적규칙집,근거규칙집건변압기고장진단적신경망락모형,채용자괄응유전산법우화신경망락련접적권치,통과방진험증료해망락교호적진단성능。
Considering the complexity and Ambiguity of transformer fault diagnosis and the advantages and disadvantages of fuzzy set theory, neural network and of rough set theory, this article makes fully using the attribute reduction and rule generation of rough sets and pattern recognition and fault-tolerant Category advantages of fuzzy neural network. Using rough set theory dealing the reduction rules from collected data about gas dissolved in oil into a streamlined set of rules, transformer fault diagnosis model of the neural net-work is built in accordance with the Streamlining rules set, connection weights of neural network are optimized by genetic algorithm. At last the method is proved having superior diagnostic performance.