Effect of preliminary pressure on the displacement and hysteresis of the piezoelectric actuators
预压力对压电致动器位移和迟滞影响的分析
Based on the theory of the Hoff type sandwich plates, the constitutive relationship of fiber reinforced composite materials and that of the piezoelectric actuators, the finite element formulation of sandwich plates with piezoelectric actuators is established.
依据Hoff型夹层板理论以及纤维增强型复合材料和压电致动器的本构关系 ,首次建立了每个结点具有 7个位移自由度的含压电致动器的四结点矩形复合材料夹层板单元 。
Based on the theory of the Hoff type sandwich plates, the finite element formulation of sandwich plates with piezoelectric actuators is established.
依据Hoff型夹层板理论以及纤维增强型复合材料和压电致动器的本构关系,首次建立了每个结点具有7个位移自由度的含压电致动器的四结点矩形复合材料夹层板单元。
Based on the fundamental equation of the piezoelectric, we built a model of piezoelectric stack and designed a piezoelectric actuator which has the ability of driver and sensor and simple, manufacture easily after analyzed one chip of piezoelectric.
设计出的压电致动器,不仅具有驱动与传感功能,而且具有简单、易加工等特点,然后通过试验研究,对压电致动器的预压进行了标定,并选择了合适的预压弹簧,完成了对致动器的成品化。
The effect of the bonding layer between beam and piezoelectric actuator is considered in the analysis.
利用虚功原理，建立了一种智能机械结构单面粘贴有压电致动器的梁结构的拉伸弯曲耦合模型，在分析过程中，考虑了梁与致动器之间粘贴层的影响·通过分析可得，粘贴层剪切应力的分布与致动器端部附近的应变分布有相似的特征·随着粘贴层的剪切模量的增加或其厚度的减小，则剪切力在靠近压电致动器端部区域迅速增大
A bidirectional power supply for piezoelectric actuator was proposed and studied,which can apply high bidirectional voltage to the piezoelectric actuator continuously from negtive to positive.
提出并研究了一种压电致动器电源，它可以实现对压电致动器的从负电压到正电压的双向电压作用，且作用电压可以很高并可不间断连续作用。
To solve the problems of hysteresis, creep and low bandwidth of piezoelectric actuator actuated by a voltage control piezoelectric driver, a new piezoelectric driver was designed based on current control theory.
为了解决电压控制型压电陶瓷驱动器驱动压电陶瓷时存在的迟滞、蠕变和带宽窄的问题,设计了基于电流控制的压电陶瓷驱动器,利用压电陶瓷致动器位移与其所带电荷量间的线性关系,该驱动器通过控制压电陶瓷的充电电流和时间控制其位移量。
According to the driving power supply for piezoelectric actuator,a new type of driving power supply using high voltage amplifier was designed and developed.
根据压电陶瓷致动器对其驱动电源的要求,利用高压运放设计研制了一种新型的驱动电源,通过对压电驱动器的实验研究表明,其具有精度高、性能稳定、分辨率高、纹波小和电路结构简单等优点,能够满足微定位系统中压电陶瓷驱动器的控制需要。
A new piezoelectric micro-actuator for positioning a magnetic head for a highdensity hard disc device has been designed,and fabricated.
目的是设计和制作一种新型压电微致动器,用于高密度硬盘磁头的精确定位。
Effect of preliminary pressure on the displacement and hysteresis of the piezoelectric actuators
预压力对压电致动器位移和迟滞影响的分析
Reliability Analysis and Geometry Optimization of Multilayer Piezoelectric Actuator;
层合状压电致动器的可靠性分析与几何优化
Study on Active Vibration Control Techniques for Flexible Structrue Using Piezoelectric Actuators;
基于压电致动器的柔性构件振动主动控制技术研究
Degree of Controllability /Observability Applied to Optimal Actuator/Sensor Placement for Advaced Intelligent Structure
可控度/可观度在智能结构热压电致动器/传感器配置中的应用
electropneumatic actuator
电动气动致动器;电动气动装置;电动气压传动
Analysis of Piezoelectric-solid-liquid Coupling Characteristics of Micro Nebulizer
压电致动微雾化器的压电-固-液耦合特性分析
Simulation and Design for PZT Power Supply System
压电陶瓷致动器驱动电源的仿真及设计
A Precision Inchworm-Type Piezoelectric Actuator with Simple Structure and Easy Assembly Feature
一种结构简单的高精度压电尺蠖式位移致动器
Design and Experimental Research on Piezoelectric Synthetic Jet Actuator
压电式合成射流致动器的设计与实验研究
Investigation for Dynamic Response of Electroactive Polymer Actuator
电致动聚合物致动器的动态响应研究
automatic voltage regulating relay
自动电压调节继电器
electronic type automatic voltage regulator
电子式自动电压调整器
automatic network voltage regulator
自动电力网电压调节器
A Comparative Study of Laminated Piezobeam with Extension and Shear Actuation;
拉伸致动和剪切致动压电层合梁的对比研究
dynamic convergence amplifier
动态会聚电压放大器
single-phase static type automatic voltage regulator
单相静电式自动稳压器
rocking contact voltage regulator
摇动接点式电压调整器
automatic induction voltage regulator
自动感应电压调整器
