Active vibration control with piezoelectric materials is an important part of research in smart material and structure 压电智能结构振动主动控制技术是智能结构研究的重要内容之一,在航空航天领域具有重要的应用前景。
The reason of inducing whirl active vibration is investigated in this paper through the experiment of a high - speed rotor in eliminating the breakdown of whirl 通过对高速转轴甩转的排故试验分析了甩转自激振动发生的原因。
5 ) processing the active vibration control examination of piezoelectricity material cantilever beam model part with the pid control and the lqg control 5 )分别采用pid控制和lqg控制进行了压电贴片悬臂梁模型振动主动控制试验。
The active vibration control of smart material structures is just based on the actuating and sensing effect of the smart materials 智能材料结构振动主动控制技术就是借助于其中智能材料的作动和传感特性来对结构的振动进行控制。
The algorithm of structural control is an important factor of active vibration control , and the kernel part of intelligent structure system 结构控制算法对结构振动主动控制效果起着决定性作用，同时也是智能结构系统的核心组成部分。
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。
Piezoelectric sensors and actuators are adhered to the base material directly , and compose the active vibration control system along with the single chip 压电传感器和驱动器直接粘贴在母体材料上，和单片机控制系统一起构成了压电式主动减振智能结构。
As they are n ' t able to isolate the low - frequency vibration , the author does an emphatic research on the single - layered and double - layered active vibration isolation system 由于被动隔振不能隔离低频振动信号，据此作者重点研究了单级和两级主动隔振系统。
In chapter six , the research work of this thesis is summarized , and future work on passive / active vibration control with piezoelectric materials is proposed 对全文的研究工作进行了全面的总结，并展望了今后压电材料应用于结构振动控制的研究方向和研究内容。
( 2 ) the dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed ( 2 )对某特定的机载精密仪器进行了动力学建模，建立了压电智能结构主动隔振系统。
