同时针对该电站水轮发电机组转子动不平衡现象，采用基于非线性转子动力学理论方法对机组动平衡进行了研究。
Rotor balancing of hydraulic power sets is studied by the nonlinear rotor-dynamics theory, the lots of factors are analyzed, and the geometry and mechanics models are created.
为旋转机械转子-圆柱轴承系统的非线性动力学分析和设计提供了必要的理论基础。
This supply the helpful theoretical tools for nonlinear dynamic analysis and design of rotor-elliptic bearing systems in rotating machines.
研究结果为在实际旋转机械转子-椭圆轴承系统进行非线性动力学分析和设计时，选择油膜力模型提供了依据。
The foregoing provides a basis for the selection of oil-film force model during the nonlinear dynamic analysis and design of an actual rotating mechanical rotor-elliptic bearing system.
文中应用非线性动力学现代理论对建立的碰摩转子模型进行了研究。
In this paper, the mathematic model of the rotor system with rub impact is analyzed by applying modern nonlinear dynamics theory.
对于转子系统非线性动力学问题，直接积分法比模态叠加法更为有效。
With regard to the nonlinear kinetics problems of a rotor system the direct integration method is more effective than the modality superposition method.
以刚体动力学为基础，考虑功放延时、转子不平衡、磁轴承非线性等因素，建立了磁轴承反馈控制控制系统模型，对不同的控制律进行了仿真分析。
Different control laws of AMB (Active Magnetic Bearing) based on rotor dynamics and AMB control model are discussed, considering the power-amplifier delay, rotor unbalance and AMB nonlinear factors.
对双盘悬臂柔性转子-非同心型挤压油膜阻尼器（SFD）系统进行了非线性动力学分析。
We used Poincare map and bifurcation map to analyze the nonlinear dynamic response of a eight degree of freedom rotor system with two disks supported on a squeeze film damper(SFD) as shown in Fig.
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.
磁轴承控制系统是一个涉及了电磁学、控制科学、机械科学以及转子动力学等多门学科的复杂非线性开环不稳定系统。
Magnetic bearing control system is an equipment involved electromagnetic, control theory, mechanical theory, rotor dynamics and other subjects of the complex non-linear open-loop unstable system.
概述地说，围绕上述问题所开展的具体研究内容包括以下方面：1。碰摩转子系统非线性动力学模型的建立。
Summarily speaking, the detailed research content based on problem above is as follows:1. The establishment of nonlinear dynamical model for rub-impact rotor system.
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.
在无限短转子-轴承的基础上，考虑基础在垂直方向的变形，通过分析油膜力，建立了转子-轴承-基础非线性动力学模型。
On the assumption of short bearings, consideration the vertical deformation of the foundation, the coupled nonlinear dynamic model of the rotor bearing foundation system is formulated in this paper.
这为进行转子-轴承系统的非线性动力学分析时选取恰当的油膜力模型提供了理论指导。
This is very helpful to choose suitable nonlinear oil film force model in the dynamic analysis for rotor-bearing systems.
最后，采用数值方法分析了具有转角不对中故障转子系统的非线性动力学特性。
Finally, the nonlinear dynamics characteristics of rotor system with angular misalignment are analyzed by the numerical method.
在考虑齿轮时变啮合刚度的情况下，建立了齿轮耦合的转子-轴承系统的非线性动力学模型。
Considering the time varying meshing stiffness of gear pair, the nonlinear dynamic model of a geared rotor bearing system is established.
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.
可见在进行转子-可倾瓦轴承系统的非线性动力学分析时有必要计入可倾瓦滑动轴承油膜非线性的影响。
It is necessary to consider the influence of the nonlinearity of fluid forces in tilting pad journal bearings when the dynamics performance of the rotor-tilting pad bearing system is analyzed.
同时考虑非线性齿轮啮合力和非线性油膜力的影响，建立齿轮-转子-滑动轴承系统的动力学模型。
The nonlinear gear mesh force and nonlinear oil film force were considered synchronously, the dynamic model of geared rotor-oil journal bearing system was proposed.
用近代非线性动力学理论分析了弹性支承有间隙的非线性刚性多转子系统的复杂运动。
Modern nonlinear dynamical system theory is used to analyze the complicated motion of a nonlinear high_speed rigid multi_rotor system with pedestal looseness.
因此应用现代非线性动力学理论和转子动力学理论研究故障转子系统成为当今国内外的热门研究课题之一。
So studying rotor system with multi-faults with modern nonlinear dynamic theory and rotor dynamic theory becomes one of the most popular research problems at home and abroad.
基于变分法提出了一个求解雷诺边界条件下有限长轴承油膜力的快速算法，用此算法对一个三油叶不平衡轴承—转子系统的非线性动力学行为进行了一系列的分析。
Based on the free boundary theory and the variational method, a fast and accurate model for the calculation of the fluid-film forces under the Renolds boundary condition is presented.
通过数值模拟的主动磁轴承 - 转子系统的非线性动力学行为进行了调查。
The nonlinear dynamical behaviours of an active magnetic bearing-rotor system were investigated by numerical simulation.
通过数值模拟的主动磁轴承 - 转子系统的非线性动力学行为进行了调查。
The nonlinear dynamical behaviours of an active magnetic bearing-rotor system were investigated by numerical simulation.
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