| 1. | The raft structure has a significant effect on the vibration isolation in double - decked floating raft isolation system
摘要双层浮筏隔振系统中，筏体结构对隔振效果的影响重大。 |
| 2. | 2 . main part of the machine uses ultra - large type steel and special welding technology with good rigidity , vibration - proof and long life . 3
3 .采用双座悬浮隔振系统，隔振效果好，避免振动对机械零件的影响，提高机械零件的使用寿命，减少噪声。 |
| 3. | The simulation results show that the active vibration isolation system has much better isolating performance against conventional passive isolation system in a very broad frequency range
结果表明，该主动隔振系统在整个频段均具有很好的隔振效果。 |
| 4. | Research emphasizes on each parameter ' s influence on the performance of vibration isolation , and on how to ensure the vibration isolation effect of the controlled object
研究的重点是各参数对系统隔振性能的影响，以及如何保证受控对象的隔振效果。 |
| 5. | Through feedback control analysis and simulation , it is proved that the mechanical model is appropriate and the scheme of active vibration isolation system is feasible and effective
通过反馈控制分析和实验，表明：采用主动隔振可以明显提高机床减振性能，尤其对低频隔振效果较好。 |
| 6. | In view of the different raft structure , the finite element model of raft has been established , and the natural vibration characteristic and isolation effect are calculated using msc / patran
针对不同的筏体结构，在msc / patran中建立浮筏的有限元模型，并且分析其固有振动特性、隔振效果，为隔振设计提供参考。 |
| 7. | Since vibration highly influences the performance of vehicles , the effective improvment of vibration isolation has a great significance for enhancing the economy , balance , stability and reliability of vehicles
摘要振动对车辆的性能有着较大影响，有效提高隔振装置的隔振效果，对提高车辆的经济险、平衡性、稳定性、可靠性具有重要意义。 |
| 8. | However when the size of the platform is large , or it works in a wide frequency range , or the requirement of vibration control , it is urgent to choose the material ofplatform , arrange isolator and determine thedesign parameters of isolator for obtaining the expected effect of vibration isolation
但是，如果平台尺寸很大或是要求的工作频段较宽或振动控制要求很严时，如何选择平台材料及布置隔振器，如何合理地确定隔振器的设计参数，使其达到预期的隔振效果，是一个亟需解决的问题。 |
| 9. | Finally , application of adams in the simulation analysis of the electromagnet damping system is based on velocity feedback . the result of the simulation is indicated that : the vibration effect of low frequency and resonance peak is decreased with increment of damping ratio , and the high frequency performance is not affected
最后采用adams对电磁阻尼隔振系统进行了振动仿真分析,仿真结果表明,合理设置阻尼比,能够有效抑制谐振峰值,大幅度提高低频隔振效果,并且对隔振平台谐振频率和高频性能影响很小。 |
| 10. | In order to understand the key parameter , which influence the vibration isolation efficiency of floating slab track and provide theoretical support for simulation , we analyze the vibration isolation principle of floating slab track . coupling dynamics of vehicle - rail - floating slab - foundation system is calculated using the general software - ansys . the dynamic performances of the floating slab and the efficiencies of the vibration isolation are analyzed in detail
建立了车辆?钢轨?浮置板?地基二维有限元模型，并采用有限元计算软件ansys ，对整个耦合系统进行了不同工况下的动力学计算模拟，详细分析了浮置板式轨道结构的动力学性能和浮置板式轨道结构的隔振效果。 |
