| 1. | Unbalance response and threshold speed of touch - rubbing of a rotor subjected to nonlinear magnetic forces
非线性电磁力作用下的转子不平衡响应和界限碰摩转速 |
| 2. | It need to find optimal scheme under some condition to reduce the working unbalance response . traditionarily passive control is used
这就给设计者们提出了越来越严峻的要求，就是要在给定条件下找到最佳方案，减少工作时的不平衡响应。 |
| 3. | Rotor dynamic devise is the vital ache on rotating mechanism design . and prefiguring critical speed . calculating unbalance response is the central content
转子动力学设计是旋转机械设计中的重要环节，而预计临界转速、计算不平衡响应又是其主要内容。 |
| 4. | When the rotating speed passed through the critical speed , the effect of the unbalance response of the system duo to the misalignment was remarkable , and at the others its influence was not large
当转子系统在临界转速附近时，转子的不对中对系统的不平衡响应影响显著，而在其它转速处，这种影响较小。 |
| 5. | In the second part , the transfer matrix method to calculate the critical speed , the mode and the unbalanced response , is presented . and the torsional vibration and lateral - torsional coupling vibration problem is discussed briefly
第二章总结了计算转子系统临界转速、振动模态和不平衡响应的传递矩阵法，并简要讨论了转子系统的扭转振动和弯扭耦合振动问题。 |
| 6. | The unbalance responses of the rotor - bearing system with a flexible laminated membrane coupling were investigated , in which the effects of the stiffness of the coupling and the misalignment of the rotors were mainly taken into account , respectively
研究了膜片联轴器耦合的转子?轴承系统的不平衡响应，重点分析了膜片联轴器的刚度和转子的不对中量对系统不平衡响应的影响。 |
| 7. | The prestress and harmonic response analysis method is used to study the unbalance response of a turbo - generator rotor and the displacement - frequency curve at a point of the rotor as well as the sress and strain at an appointed frequency are provided
摘要利用预应力及谐响应分析的方法研究了转子的不平衡响应，得出在某频率范围内，转子在指定点处位移对频率的响应曲线以及在指定频率处，整个转子上的应力、应变响应的影响等。 |
| 8. | Fist ly , use mass equivalent method to predigest the original rotor system . secondly , use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language . thirdly . finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic . fourthly , answer to the high vibration of uncontroled system when cross the critical speed , come out to adopt changing clearance damper bearing to control the viberation
本文对多柔盘转子-支承系统的振动现象做了以下初步探索：用质量离散化方法把原转子系统简化；采用matlab语言编制了对传递矩阵法计算多柔盘转子-支承系统的临界转速；用matlab语言对riccati传递矩阵法和有限元法编制了程序计算系统的不平衡响应；并针对其过临界转速时振动较大的现象，提出采用变间隙控制油膜刚度和阻尼，从而使原系统的在特定转速(临界转速)的一段范围内不平衡响应减小；并从被动控制与主动控制两方面进行数值仿真，取的了较好的控制效果。 |
| 9. | Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics . the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs . an identification method of thermal bend is presented based on the 2d - holospectrum technique . experimental results show that when bow phase is steady and amplitude is variable , the tangent of initial phase point on the 2d - holospectrum is parallel , which can be effectively used for diagnosis of bent shaft
文摘:依据转子动力学理论分析了柔性转子弯曲响应的特征，在此基础上讨论了它与不平衡响应及机械与电气跳动量之间的关系，并利用转子在不同起车情况下的振动信息，有效地分离了弯曲响应和不平衡响应，求解出弯曲量与不平衡量的比值.提出了转子在恒定转速下，基于二维全息谱技术的热弯曲故障识别方法.研究结果表明，当弯曲量相位稳定而其幅值变化时，转子响应的二维全息谱初相点的切线是相互平行的，由此可以有效地实现转子热弯曲故障的识别与诊断 |
| 10. | The compute model of shafts of the machines is built by adopting concentrated mass method . taking into account the different support conditions of the shafts that workshop is considered as rigidity or elasticity ; the natural characteristic and unbalanced response of the shafts are computed by integrating with high stable riccati transfer matrix method
采用集总质量法对机组轴系建立了计算模型，并结合稳定性良好的riccati传递矩阵法，分别考虑机组轴系的支撑基础(厂房)为刚性、弹性两种情况，计算了机组轴系的自振特性、轴系的不平衡响应。 |
