光子学报, 2005, 34 (4): 601, 网络出版: 2006-06-12   

多级复合抑振系统的设计与研究

Design and Research of Multilevel Complex Vibration Reduction System
作者单位
1 中国科学院西安光学精密机械研究所,西安,710068
2 长安大学,西安,710064
3 武汉理工大学,武汉,430070
摘要
研究了多级复合抑振系统的动力学特性,以多级抑振系统刚体空间一般运动的坐标变换,系统的动能、势能和阻尼耗散函数,系统的拉格朗日方程为理论基础,得出适用于质量块之间或质量块与平台之间具有多个相对运动自由度的多级隔振系统的运动微分方程组.分析了主动控制力与抑振器参数之间的关系.结果表明:对于多级复合抑振系统,抑制中高低频振动时,抑振作动器置于抑振对象与刚体之间的抑振性能较好,所需的主动抑振控制力也不大,并且易于实现各种先进的抑振控制.
Abstract
The dynamics characteristic of multilevel complex vibration reduction system was researched. The paper was based on the coordinate transformation of space general motion for rigid bodies and Lagrange equation of multilevel vibration reduction system. With multi-degrees of freedom of relative motion between mass blocks (including terrace) was carried out. The influence relationships between active force of the actuator and parameters of the vibroshock were analyzed. The results were as follows:When the actuator was installed between the vibration reduction object and the rigid bodies, multilevel complex vibration reduction system had good vibration reduction of intermediate frequency and high frequency domain or low frequency domain. The active control force of vibration reduction was not big, and it was very convenient to use in any advanced vibration reduction control.

陈丁跃, 陈蔚, 周仁魁, 李英才. 多级复合抑振系统的设计与研究[J]. 光子学报, 2005, 34(4): 601. 陈丁跃, 陈蔚, 周仁魁, 李英才. Design and Research of Multilevel Complex Vibration Reduction System[J]. ACTA PHOTONICA SINICA, 2005, 34(4): 601.

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