目前对于太阳和地球引力变化引起的微振动，采用先进的主动控制能达到高精度的隔振要求。
Adopting the active control can meet the isolation demand high accuracy for tiny vibration induced by the gravitation variation between the sun and the earth.
以船舶辅机的梁式隔振结构为对象，运用模态分析方法和自适应算法，推导并分析了梁式结构振动主动控制的基本原理和方法。
The active vibration control of the beam structure, which is used in the isolation of the ships auxiliary machines, is studied by using modal analysis method and adaptive algorithm in this paper.
混合振动控制是将主动振动控制和被动振动控制同时应用于被控结构，充分利用它们各自的优点，达到最佳的隔振效果。
The hybrid vibration control is to apply both the active and passive vibration control to the same controlled structure in order to take full advantage of them and obtain the optimal isolation effect.
介绍了超低频主动隔振控制中常用的位移传感器的类型、工作原理、结构特点及适用范围。
The types, principles, features, and applications of displacement sensor used in ultra-low frequency active vibration isolation control are introduced.
针对主动隔振系统存在的非线性，提出一种基于BP网络控制器的主动控制方法。
A novel control method based on BP network controller is presented for the nonlinearities in active vibration isolation system.
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。
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.
根据升沉补偿系统主动隔振的简单模型，采用不同控制策略，设计了几套控制系统。
According the simple active vibration isolation system model, using different control ways, designed a lot of control systems.
作者利用MATLAB对隔振控制算法进行了仿真研究，比较了无隔振控制、被动隔振控制和主动隔振控制方法之间的差别。
The author uses MATLAB to simulate control algorithms for vibration isolation and compares the differences of no-control, passive control and active control.
目的研究了利用主动变阻尼控制系统优化方法设计磁流变智能阻尼隔振平台结构，为实际工程利用磁流变阻尼器为结构减振设计提供方法。
A design procedure for MR smart damping isolation scheme for a platform structure is presented, and a design method for practical engineering using MR damper is given.
半主动控制在系统共振点附近的隔振效果优于被动隔振，但在较高频段没有优势；
Results from the semi-active control show that the effect is significant near resonance, while in the high frequency, there is no advantage of using SA policy over using passive control.
主动隔振模拟试验结果表明，这种多点自适应有源隔振策略对于多方向耦合振动的有源控制是切实可行的，而且简单、实用。
The results of an experiment of active vibration isolation show that the multiple-point adaptive control strategy is not only effective but also simple and practical.
然后分析和讨论了作为被动隔振元件的空气弹簧和作为主动控制元件的超磁致伸缩作动器的物理模型。
Then the physical models of air springs as passive vibration isolation elements and giant magnetostrictive actuators as active vibration isolation elements were all analyzed and discussed.
以船舶辅机的梁式隔振结构为对象，运用模态分析方法和自适应算法，推导并分析了梁式结构振动主动控制的基本原理和方法。
This paper establishes the general recurrence steps of using difference method for the frequency equation and mode shapes of discrete multi-mass shear structures.
以船舶辅机的梁式隔振结构为对象，运用模态分析方法和自适应算法，推导并分析了梁式结构振动主动控制的基本原理和方法。
This paper establishes the general recurrence steps of using difference method for the frequency equation and mode shapes of discrete multi-mass shear structures.
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