以简支平板为例，通过声辐射模态建立了弹性结构声辐射的有源主动控制策略。
Based on the radiation modes, it is presented an active control strategy for sound radiation from elastic structures with an example of simply supported rectangular panel.
与油阻尼器被动控制相比，MR半主动控制可以有效地提高模态阻尼比，尤其在阻尼器位置距索端很近时仍有较好的控制效果。
However, the control efficiency of the MR semi-active control compared with that of the oil-dampers control is better, especially when the damper position is close to the end of the cable.
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.
应用模态控制理论对弹性连杆机构振动主动控制问题的原理和策略进行研究，给出了相应最优控制律。
Also, the model control theory is used to study the theory and strategy of active vibration control problem of elastic mechanism vibration with the correspondent optimal control equations given.
用该方法对某主动控制飞机的垂直平移模态（直接力控制）进行了解耦设计，并将其应用于飞机的阵风减缓。
As a numerical example, we used our method to design the vertical transition mode(direct lift control) of a certain active-control aircraft for gust alleviation.
针对框架结构振动主动控制模型误差较大的特点，通常采用试验模态数据来修正计算模型。
Aimed at the characteristic of bigger error existed in active vibration control model of frame structures, experimental modes data are usually used to modify calculating model.
分析了壳体的固有模态、激励力和声辐射三者之间的关系，这为用主动控制方法降低有限长加筋双层圆柱壳的振动噪声，提供了理论依据。
The vibration and sound radiation from a finite stiffened double cylindrical shell driven by a point force on the shell surface in the radial direction are studied in this paper.
利用ANSYS商用软件进行主动隔振单元的模态分析，对比结果验证了该动力学模型的正确性。
Then validity of the dynamic model was illustrated by comparison with the results of the modal analysis by ANSYS software.
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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