2) coupled fault of crack and rub-impact
裂纹碰摩耦合故障
1.
As the coupled fault of crack and rub-impact arises in rotor systems, it is difficult to detect the cracking signals, especially for the dominated rub-impact.
以两种最常见的耦合故障—裂纹碰摩耦合故障、裂纹松动耦合故障为例,采用基于模型的诊断方法诊断耦合故障中的裂纹信息,取得了比较好的效果,并进行试验来验证理论结果。
3) rub-impact and crack fault
碰摩裂纹耦合故障
4) rub-crack coupled fault
碰摩-裂纹耦合故障
5) rub-impact fault
碰摩故障
1.
Based on the rub-impact fault levels and trends,a time series analysis technique,i.
基于对碰摩故障程度和趋势的分析要求,引入了采用时间序列分析方法的支持向量回归算法。
2.
An experimental setup was developed to investigate nonlinear vibration characteristics of rotor bearing system with rub-impact fault.
建立了转子碰摩故障的实验装置,通过实验研究了转子系统碰摩故障的非线性振动特征,发现对油膜力影响较小的系统,转定子碰摩使系统产生了半频及高频分量,而对于滑动轴承支撑的系统,较小的碰摩间隙使得系统在油膜涡动之前产生碰摩,系统产生了丰富的高频分量;当碰摩间隙较大时,碰摩在油膜涡动之后发生,此时碰摩对系统的影响很小,轴承油膜力对系统的影响最大
3.
The mapping space relationship was utilized to determine the phase transition of oscillator autonomously and quickly in order to catch the characteristic signal of mechanical faults as early and accurately as possible,and then the early detection of rub-impact fault in rotor was realized.
利用映射空间关系对混沌振子的相变进行自治而快速辨识,以尽早而准确地捕捉表征转子碰摩早期的特征信号,进而实现对转子碰摩故障进行早期检测。
6) Rub fault
碰摩故障
1.
The purpose of this paper is to detect vibration signals of induction motors with eccentricity, analyse them by continuous wavelet transfrom(CWT), and determine whether rub fault happens.
对于存在偏心故障的感应电动机,检测其振动信号,并应用连续小波变换进行信号分析,判断是否出现碰摩故障。
2.
Based on the rub fault characteristic of the rotating machinery,the rubbing vibration information was collected by eddy current sensor and virtual instrument.
针对旋转机械碰摩故障的特征,运用电涡流传感器和虚拟仪器采集转子碰摩振动状态信息,对转子碰摩振动信号的时域波形特征、碰摩振动时的轴心运动轨迹特征进行分析,同时应用LabVIEW软件对转子碰摩振动信号进行频谱分析,研究其故障特征,由此对旋转机械的碰摩故障进行识别和诊断。
补充资料：阿娑摩娑摩
【阿娑摩娑摩】
（术语）(参见：阿娑磨沙摩)。
（术语）(参见：阿娑磨沙摩)。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条