This paper combines fuzzy set theory with ART neural net-work , and demonstrates some important properties of the fuzzy ART neural net-work algorithm. The results from application on a ball bearing diagnosis indicat...This paper combines fuzzy set theory with ART neural net-work , and demonstrates some important properties of the fuzzy ART neural net-work algorithm. The results from application on a ball bearing diagnosis indicate that a fuzzy ART neural net-work has an effect of fast stable recognition for fuzzy patterns.展开更多
以MgO和Nb2O5为原料,用高能球磨法制备Mg4Nb2O9前驱体,前驱体经900℃热处理合成Mg4Nb2O9纳米粉体.采用X射线衍射和扫描电镜(Scanning Electron Microscopy,SEM)研究了粉体随合成温度、球磨时间、保温时间的微结构变化和物相转变过程.结...以MgO和Nb2O5为原料,用高能球磨法制备Mg4Nb2O9前驱体,前驱体经900℃热处理合成Mg4Nb2O9纳米粉体.采用X射线衍射和扫描电镜(Scanning Electron Microscopy,SEM)研究了粉体随合成温度、球磨时间、保温时间的微结构变化和物相转变过程.结果表明,MgO-Nb2O5混合物经60 h高能球磨在900℃保温3 h合成出粒径为50~80 nm的Mg4Nb2O9纳米粉体.高能球磨法制备的粉体在1 200℃可烧结成致密的具有优异性能的Mg4Nb2O9陶瓷.展开更多
文摘This paper combines fuzzy set theory with ART neural net-work , and demonstrates some important properties of the fuzzy ART neural net-work algorithm. The results from application on a ball bearing diagnosis indicate that a fuzzy ART neural net-work has an effect of fast stable recognition for fuzzy patterns.