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本文利用压电陶瓷驱动器的电致形变特征和摩擦耗能器的紧固力决定摩擦力大小的特性,提出了智能型压电-摩擦复合耗能器。文中首先提出了叠层压电陶瓷驱动器与Pall摩擦耗能器复合的基本结构;其次,提出了压电-摩擦耗能器可调紧固力的计算方法,分析了耗能器形状参数的影响;最后,具体设计了可调摩擦耗能型和拟粘滞型两种压电-摩擦耗能器。
In this paper, the characteristics of the friction force are determined by the electroforming characteristics of the piezoelectric ceramic actuator and the frictional force of the frictional energy dissipater. An intelligent piezoelectric-frictional composite energy dissipater is proposed. In this paper, the basic structure of laminated piezoelectric ceramic actuator and Pall friction energy dissipation device is first proposed. Secondly, the calculation method of adjustable fastening force of piezoelectric-friction energy dissipation device is proposed, and the influence of shape parameter of energy dissipation device Finally, two kinds of piezoelectric-friction energy dissipators with adjustable frictional energy dissipation and pseudo-viscous dissipation are designed.