The simple impedance measurement system is consisted of piezoelectric element, an impedance analyzer, Al beam and computer. 阻抗听力计,阻坑测听仪测试系统由阻抗分析仪、计算机、压电陶瓷片、铝梁组成。
Thin film piezoelectric element, its manufacturing method, and actuator using the same. YukoOgawa:薄膜压电体元件和其制造方法以及使用其的驱动器。
Semi-Active Vibration Control of Cantilever Beam Using Piezoelectric Element 基于压电元件的悬臂梁半主动振动控制研究
When the impacting object is impacted, an electromotive force is generated by the vibrating of the piezoelectric element. 当冲击的对象被冲击时,电动力通过振动压电元素引起。
A Diaphragm Micro Air Pump Actuated by Piezoelectric Element 压电驱动膜片式微型气泵
Through controlling the rapid deformation of the piezoelectric element, we can control the inertial force, which causes a controlled step-like movement of some nanometers up to some ten-micrometers. 通过控制压电陶瓷的急速变形,可以控制惯性力的大小,从而控制从几纳米到几十微米的步进运动。
The dynamic model of the section-varying intelligent piezoelectric beams with surface bonded piezoelectric element is developed and the natural frequencies are analyzed. 建立变截面智能压电梁的动态模型,分析表面粘贴压电元件的均质梁的固有频率。
Study on the Fundamental Characteristics of Piezoelectric Element 压电陶瓷基本特性研究
The results showed that the piezoelectric system with the physical properties in similar to viscoelastic materials and dynamic bumper, can be achieved through a suitable external circuit in parallel with piezoelectric element, and the optimal damping ratio can be reached with fitting correct circuit parameters. 结果表明:通过给压电元件并联适当的外部电路,可使压电系统具有与粘弹阻尼材料及动力吸振器相似的物理特性.合理配置电路参数,可以实现最优阻尼比。
Pose Measurement and Error compensation of Piezoelectric Element Driven Parallel Microrobot 压电陶瓷驱动并联微动机器人位姿测量与误差补偿
The observation and control spillover problems of Distributed Piezoelectric Element ( DPE) method for active control of smart beams are analyzed and their improved methods are presented. 分析了用于智能梁振动控制的分布压电单元法的观测溢出与控制溢出现象,并给出了减少这种溢出的途径。
The electromechanical coupling finite element formulation of piezoelectric element is deduced in this discourse on basis of finite element theories and piezoelectric effect; 利用有限元理论,考虑压电材料的压电效应,对压电元件的机电耦合有限元方程进行了详细的推导;
The drive mechanism, which uses the sharp deformation of piezoelectric element to produce inertia impact force, is called as piezoelectric inertial impact actuator. 因此压电元件是构造惯性冲击式驱动机构的理想动力元件之一。
Mechanical Impedance of Piezoelectric Element and Its Application to Passive Vibration Control 压电元件的机械阻抗及在被动控制中的应用
Optimal Thickness of the Piezoelectric Element in Intelligent Structure 智能结构中压电元件的最佳厚度
In the analysis, the stiffness and inertia of the piezoelectric element and bonding layer are included as well as the shear formation and rotary inertia of the beam. 在分析时考虑到压电元件、粘贴层、梁的剪切变形和转动惯量。
A new piezoelectric solid element formulation was developed for mechanical analysis and vibration control of piezoelectric laminated structures. By using the virtual work equation, the electromechanical coupled dynamic system equations for laminated plate/ shells with piezoelectric sensor/ actuators was presented. 从虚功方程出发,推导出具有压电传感器和驱动器的层合板壳的机电耦合动力方程,建立了新的压电固体单元以模拟压电层合结构的力学特性和振动控制。
Distributed piezoelectric element method for vibration control of smart plates 智能板振动控制的分布压电单元法
This micro-actuator is also simulated by finite element method. The results reveal that the piezoelectric element with multi-layer structure is particularly effective in increasing the driving capacity of the piezoelectric micro-actuator. 此外,有限元仿真进一步验证了多层结构的压电元件可以有效地提高压电微致动器的驱动能力。
Spillover Analysis and Simulation for Distributed Piezoelectric Element Method 梁振动控制的分布压电单元法的溢出分析与仿真
In the analysis, the stiffness and inertia of the piezoelectric element and bonding layer are inclued as well as the shearing deformation and rotary inertia of the beam. 在分析中考虑了压电元件和粘结层的影响,同时,还考虑了梁的剪切变形和转动惯量。
The method utilizes the friction force between the object to be moved and the fixed base plane, and the reaction of the inertial force caused by a dynamic rapid deformation of a piezoelectric element. 这种方法是利用移动体与固定的基平面之间的摩擦力以及由压电元件动态的急速变形所产生的惯性力的反作用力来产生精确运动的。
According to the equation, corresponding piezoelectric element has been made. Through experiment, the testing results conform to theory expect. 并根据频率方程制作了相应压电晶片,实验测试结果和理论预期相符。
Piezoelectric ceramic element ( PCE) is a kind of actuator applied widely on the intelligent material& structure. 压电陶瓷元件是目前在智能材料结构中广泛使用的一种驱动元件。
On the basis of the results, the actuator dynamic model was established, denoting the actuator locomotive status by 13 design parameters, such as length, width and height of the piezoelectric element, actuator mass and driving voltage. 以此为基础建立了执行器的动力学模型,用13个设计参数如压电片的长度、宽度、高度,执行器质量和驱动电压等表征了执行器的运动状态;
Two essential questions in designing the system i.e., the structure and moving mechanism of the piezoelectric element based mini-displacement driver; 对设计中的两个关键问题进行了叙述:压电陶瓷微位移驱动器的设计及移动机制;
The Status Quo and the Prospect of the Research of the Deformable Adaptive Structure Static Shape Control of Adaptive Structure Using Composite Laminated Piezoelectric Element 形状变化自适应结构的研究现状及发展前景压电层合板自适应结构的静力变形控制
It is shown that the effects of the stiffness and inertia of the piezoelectric element that lead to higher first natural frequency on the natural frequencies of the beam are significant, and that of the elastic modulus of the bonding layer is small. 研究表明,压电元件的刚度和惯量对梁的频率影响很大,变截面智能压电梁的一阶固有频率总是高于等截面梁的固有频率。粘结层剪切弹性模量对一阶频率影响较小;
Based on Internet and component, a novel piezoelectric finite element system is presented in this dissertation. 本文主要讨论了基于Internet和组件技术的压电有限元系统的相关理论研究和设计实现。
However, impose a lower frequency will has a small effect on voltage output of piezoelectric element. 但是,施加较低的频率对压电元件的电压输出影响非常小。