Therefore, the Synchronous vibration is a fault Common but difficult to distinguish.
这使得同频振动成为既简单又难以判别的故障。
Most of vibration faults in a rotating machinery are concerned in synchronous vibration.
旋转机械发生振动故障以同频振动居多。
The synchronous vibration data analyzing method using 3 ~ 5 tip-timing sensors is introduced.
研究了利用3 ~5传感器进行同步振动共振分析的数据处理方法。
This paper proposed a slab continuous casting production for synchronous vibration control strategy.
提出一种用于连铸生产的振动同步控制策略。
It is easy to consider all Synchronous vibration due to various reasons as dynamic unbalance in plant practice, so that often to make erroneous diagnosis.
工厂实践中极易将各种原因引起的同频振动均归结为转子不平衡，造成一些误诊。
When synchronous vibration occurs during blade rotation, vibration information acquired will decrease so greatly that it will bring much trouble to vibration analysis.
叶片发生同步振动时，采集到的振动信息大为减少，给振动的分析带来很大困难。
The hardware system can acquire all the signals especially the synchronous data acquisition of vibration and speed signals.
硬件系统已能满足各类信号的获取，尤其是阶次分析所需的振动、转速信号同步获取。
The study shows that shortening the span length can effectively reduce the transverse vibration amplitude of synchronous belt and can avoid possible resonance region of synchronous belt.
结果表明，减小同步带跨度既可以有效减小同步带运动过程中横向振动幅度，又可以使同步带运动有效避开正时传动机构可能的共振区。
Since the synchronous motor with a special vibration principle, starting fast, working steady, smooth parking.
利用特制振动电机自同步原理，起动迅速、工作稳定、停车平稳。
Absrtact: in rotary machinery test, vibration signal is stochastic and uncertain usually, so, synchronous analysis of vibration and instantaneous rotational speed in the rotary machinery is necessary.
摘要：旋转机械测试中，振动信号通常是随机非稳态信号，必须进行振动和转速信号同步分析。
The continuous model is adopted in the torsional vibration frequency and resonance of shaft system, the lumped parameter equivalent applied in the sub-synchronous resonance.
轴系扭振频率和响应计算采用连续质量模型，次同步谐振特性分析采用集中质量模型。
Because of the flexibility of the synchronous belt, the vibration is inevitable during movement.
由于同步带的柔性，在运动的过程中不可避免的带来振动。
Empirical Mode Decomposition (EMD) is introduced to replace time synchronous averaging of gearbox vibration signal.
探讨了应用经验模态分解代替时域同步平均分析减速器振动信号的方法。
Theoretical derivation is done to the analyzing method of synchronous blade vibration by using speed-vector-end-tracking method, and so is the computer simulation to measurement process.
基于叶尖定时测振原理，对利用速矢端迹法分析叶片同步共振幅值的方法做理论推导，建立叶片同步共振的分析模型并进行仿真。
An unified mathematical system which couples torsional vibration equation and circuit equation of a synchronous machine is proposed in this paper.
本文建立了电机的扭振方程和电路方程相耦联的统一数学系统，得到了它的解。
An unified mathematical system which couples torsional vibration equation and circuit equation of a synchronous machine is proposed in this paper.
本文建立了电机的扭振方程和电路方程相耦联的统一数学系统，得到了它的解。
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