This paper presents the results of active damping realized by a piezoelectric active member to control the vibration of a four-bay four-longern aluminum truss structure with cantilever boundary.
本文主要研究自适应桁架结构的振动控制理论和方法，将结构中主动构件的局部弹性内力经过积分和比例反馈控制器运算后，得到主动构件的输出控制力，以实现结构的振动阻尼控制。
As the piezoelectric stack actuator can withstand pressure only, a preload device is designed to ensure that the intelligent active member can experience tensile stress.
由于压电叠层作动器只能承受压力，为了保证压电智能主动杆能够承受一定的拉力，设计了预压装置。
Piezoelectric transformer is an important part in the bionic active member and it is an interactive electromechanical-coupled system.
压电变换器是仿生主动构件中的一个重要组成部分，是一个机电耦合的交互系统。
This work intended to introduce an integrated piezoelectric smart active member; its actuator and sensor were composed of a few piezoelectric elements.
压电叠层传感/致动器是智能主动构件中的重要组成部分，是一个机电耦合的交互系统。
This work intended to introduce an integrated piezoelectric smart active member; its actuator and sensor were composed of a few piezoelectric elements.
压电叠层传感/致动器是智能主动构件中的重要组成部分，是一个机电耦合的交互系统。
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