A study on the characteristics of the shafting misalignment in a turbine rotor is introduced.The simulation was carried out by using the method of fuzzy fault diagnosis.Some problems which may occur in the fault diagn...A study on the characteristics of the shafting misalignment in a turbine rotor is introduced.The simulation was carried out by using the method of fuzzy fault diagnosis.Some problems which may occur in the fault diagnosis using spectrum are discussed deeply with the concept of'principal direction of spectrum'.展开更多
850 t超大型智能化粉末成形机主要由主机机械结构及传动系统、主控制系统、伺服送料系统组成,可以实现复杂结构零件的压制成形,公称压力达8 500 k N。从主要技术指标及精度要求、关键零件的结构设计与分析、主传动部分的结构设计、上滑...850 t超大型智能化粉末成形机主要由主机机械结构及传动系统、主控制系统、伺服送料系统组成,可以实现复杂结构零件的压制成形,公称压力达8 500 k N。从主要技术指标及精度要求、关键零件的结构设计与分析、主传动部分的结构设计、上滑柱部分的结构设计、伺服送料机构的设计、成形工艺参数智能化系统的设计及远程故障智能诊断专家系统的设计等7个方面阐述了850 t超大型智能化粉末成形机的结构设计过程、技术特点。重点阐述了超大吨位粉末成形机整机结构的优化设计与分析过程,并将自动化、智能化控制系统融入设计当中,以提高自主设计超大型粉末成形装备的设计能力和技术水平。展开更多
文摘A study on the characteristics of the shafting misalignment in a turbine rotor is introduced.The simulation was carried out by using the method of fuzzy fault diagnosis.Some problems which may occur in the fault diagnosis using spectrum are discussed deeply with the concept of'principal direction of spectrum'.
