分析了裂纹转子的亚谐波共振特性；
The subharmonic resonance of the cracked rotor was analyzed.
本文研究了裂纹转子的振动响应。
In this paper, the vibration responses of cracked rotor are investigated.
采用数值积分方法，对裂纹转子的分岔与混饨特性进行了研究。
The bifurcation and chaos of the cracked rotor system are researched by employing the numerical integration method.
研究了裂纹转子的弯扭耦合振动特性，分析了扭转对弯曲振动的影响。
In this paper we have researched the bending torsional coupling characteristic of cracked rotor, and analysed the influence about torsional vibration to bending vibration.
研究了支承在挤压油膜阻尼器上的裂纹转子系统的非线性动态响应特性。
In this paper, the chaotic response of a rotor system with crack supported on the squeeze film damper (SFD) is studied.
研究了刚度变化、质量偏心以及质量偏心角对裂纹转子瞬态响应的影响。
The influence of the stiffness variation, the unbalance and the inhabiting angle on the transient response was investigated.
分析了裂纹转子在非线性涡动影响下的动力学行为，特别是系统响应的分叉与混沌特性。
A cracked rotor with nonlinear influences of whirl speed is investigated, with particular focus on the behaviors of bifurcation and chaos.
采用裂纹深度修正的非线性开闭裂纹模型，研究涡动影响下挠性裂纹转子的动力学行为。
A nonlinear crack modal, modified by the crack depth, is used to study a cracked rotor with the influences of whirl speed.
旨在揭示机动飞行产生的附加离心力和附加陀螺力矩对裂纹转子系统非线性响应的影响。
It aims to reveal the influence of maneuver load on the nonlinear response of cracked rotor.
裂纹转子轴刚度变化对油膜失稳点及油膜失稳之后转子的运动影响不大，转子系统作拟周期运动。
Stiffness change has little effect on the critical instability and motion of the cracked-rotor, and the system motion is quasi-period motion.
然后研究了非线性裂纹转子的弯曲振动特性，给出了进入倍周期分叉后裂纹转子的时域特性和频域特性。
The bending vibration characteristic of a nonlinear cracked rotor is then analyzed. The time frequency characteristics of a cracked rotor after entering double cycle bifurcation are introduced.
分析了裂纹转子与柴油机裂纹轴系的异同，以利于结构故障的研究成果能够在本论文中合理的借鉴和运用。
To use the study results for reference in this paper, an analyse about similarities and differences between cracked rotor and cracked shafting of diesel engine is done.
通过计算与试验分析，提出了转子裂纹的监测和诊断方法，并给出了工程实例。
Through calculation, testing and analysis, the crack monitoring and diagnosis methods of rotors are proposed and project examples are given.
针对这个问题，提出了基于多模型估计(MMAE)的转子裂纹故障诊断方法。
For this problem, a Multiple Model Adaptive Estimator (MMAE) based method for rotor crack diagnosis is proposed.
介绍了目前常用的几种检验汽轮机、发电机转子中心孔内表面缺陷（主要是裂纹）的无损检测手段，并对各自的特点进行了分析比较。
Some NDT methods for surface defects, mainly cracks, on the rotor central bore of steam turbine and generator are introduced, and the features are compared and analyzed.
由于裂纹的存在，转子轨迹的中心也发生偏移。
The center of the motion orbit of the rotor changes because of the existence of crack.
研究了带有裂纹和碰摩耦合故障的弹性转子系统的复杂运动。
An elastic rotorbearing system with coupling faults of crack and rubimpact was studied on the basis of nonlinear dynamics and rotor dynamics.
转子裂纹是旋转机械中常见且危险的一种故障，转子裂纹的有效识别和定位也是故障诊断领域一直研究的课题。
Rotor crack is a very dangerous and frequent fault in rotating machine, and crack detection and location is a always research direction in the field of fault diagnosis.
该文为配合某大型汽轮发电机转子裂纹原因分析，对其额定运行工况时电磁力在转子铁心表面的分布状况进行了全面研究。
The electromagnetic force distribution on the rotor core surface of a turbo-generator under rated operating condition is studied in this paper, in order to find the cause of cracks on the rotor body.
本文引入了几何非线性关系和等效线弹簧模型对含裂纹的弹性轴弹性盘转子系统进行非线性动力学分析。
Non-linear dynamics characters of a rotor system for an elastic shaft-disk with a crack are examined by introducing the geometric non-linearity and equivalent line-spring model.
研究了含有居中盘和悬臂盘的转子轴上出现裂纹时盘的非线性动态响应。
Nonlinear dynamic response of a cracked aero engine rotor with several disks is too complicated and past application oriented research in China has been limited to aero engine rotor with one disk.
转子横向裂纹的早期捕捉问题一直是久久困扰现场、在机械故障诊断领域亟待解决的关键技术之一。
The early capturing technique of lateral crack faults is one of the most important techniques to be tackled.
转子横向裂纹的早期捕捉问题一直是久久困扰现场、在机械故障诊断领域亟待解决的关键技术之一。
The early capturing technique of lateral crack faults is one of the most important techniques to be tackled.
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