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多级复合抑振系统的设计与研究 被引量:5

Design and Research of Multilevel Complex Vibration Reduction System
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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。 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.
出处 《光子学报》 EI CAS CSCD 北大核心 2005年第4期601-605,共5页 Acta Photonica Sinica
基金 国家博士后科学基金 (2004036140) 中国科学院王宽诚博士后工作奖励基金(科发人教字[2004]413号)资助
关键词 复合抑振 仪器 动力学 刚度特性 作动器 Complex vibration reduction Apparatus Dynamics Stiffness characteristic Actuator
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