压电层合结构尤其是层合状压电致动器，多在内电极端部发生断裂。
And multilayer piezoelectric structures especially multilayer piezoelectric actuators often failured from the edge of internal electrodes.
仅仅在两侧安放压电层和薄薄的同心金属层是起不了多大作用的，因为金属的粘度很低。
Simply flanking the piezoelectric layer with thin concentric layers of metal would not work because metals tend to have a low viscosity.
本文研究简支，固支和悬臂压电层合梁在强电场和机械荷载联合作用下的非线性变形。
The nonlinear deformations of simply supported, fixed supported and cantilever piezoelectric laminated beams were studied under strong electric field and mechanical force.
基于三维弹性理论，导出了带有压电层的圆柱形梯度壳的动力学方程以及相应的边界条件。
Based on 3d elastic theory, the dynamic equations and corresponding boundary conditions about the cylindrical functionally graded shell bonded piezoelectric layers were presented.
为了考虑中间压电层与上、下功能梯度层之间的粘结效果，采用线性弹簧模型以模拟界面性能。
To consider the effect of bonding characteristics of the adhesives between the piezoelectric layer and the functionally graded ones, a linear spring layer model is adopted.
为了考虑中间压电层与上、下功能梯度层之间的粘结效果，采用线性弹簧模型以模拟界面性能。
State space formulations are developed to study a simply supported hybrid beam consisting of two functionally graded material layers and an intermediate actuating or sensing piezoelectric layer.
并由复合材料板壳的广义内力公式和压电本构关系，导出压电层合壳的广义内力-位移-电场关系；
The formulas of general force displacement electric fields for piezoelectric laminated shell were derived according to the laminate theory and piezoelectric constitutive equations.
为此，以矩形压电微悬臂梁结构作为换能单元，通过对压电层等效电流源和单相桥式整流电路的理论及相关公式的推导，得出微能量功率的计算公式。
An energy harvesting structure based on rectangle piezoelectric microcantilever was set up and the process of energy transform from vibration to electric was generally analyzed.
随着粘贴层的切变模量的增加或其厚度的减小，切应力在靠近压电致动器端部区域迅速增大。
The shear stress sharply rises at the ends of the piezoelectric as the shear modulus increasing or the thickness decreasing.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis to piezoelectric smart laminated plates, a finite inverse algorithm of the time history about impact loads by piezoelectric modal respondence is presented.
随着粘贴层的剪切模量的增加或其厚度的减小，剪切力在靠近压电致动器端部区域迅速增大。
The shear stress rises sharply at the ends of the piezoelectric actuator with the shear modulus increasing or the thickness decreasing.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates, an FEM based inverse algorithm of the time history of impact loads by piezoelectric modal respondence is presented.
提出一种用多层压电片和约束阻尼层在低控制电压下进行结构振动的杂交阻尼控制方式。
An active and passive hybrid damping control manner with lower voltage is proposed through both multiple piezoelectric patches and constrained damping layer for suppressing structural vibration.
本文首先从高阶剪切变形理论出发，利用样条有限点法，建立了压电智能层合板新的动力模型；
This paper set out from the high order shear deformation theory at first, and utilize the spline finite point method to set up a new dynamic model of piezoelectric intellectual plate.
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。
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.
利用虚功原理，建立了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。
In this paper, the tension bending coupling model is presented by virtual work principle, the effect of the bonding layer between beam and piezoelectric actuator is considered in the analysis.
由于所研究的压电陶瓷片是由压电陶瓷层和薄铜片两种不同材料所组成，因此不仅存在自由度的耦合问题，同时还存在不同物理场的耦合问题。
This piezoelectric ceramic piece is composed of two kinds of different materials, there exits coupling question of degree of freedom, and the coupling of different physical field.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on the modal analysis of piezoelectric laminated plates, a FEM based inverse algorithm is presented for the time history of impact loads by piezoelectric modal response.
基于对智能层合板结构的模态分析，提出由结构的压电模态响应反演瞬态荷载时间历程的有限元方法。
Based on modal analysis of piezoelectric smart laminated plates a finite element inverse algorithm for identifying the time history of impact loads from piezoelectric modal responses is presented.
为智能叠层板自由振动问题和带有压电块的叠层悬臂梁的瞬态响应等问题提出了一种新的半解析法。
A new semi-analytical solution for the natural vibration of smart laminated plates and the transient response of the laminated cantilever with piezoelectric patch was presented.
用金属材料制成的一体化可动结构和叠层式压电元件可组成蛇型步进式直线驱动器，能实现高精度、高可靠性的直线步进驱动。
The snake-step linear actuator is constructed based on the integrated moving structure made by metal and the stack PZT, it can achieve the line-step moving of high accuracy and high reliability.
介绍了一种敷层效应的原理，利用该原理已研制出一种高压电压互感器保护用限流熔断器。
This paper introduces the principle of a layer effect method to manufacture a new current limiting fuse for protecting high voltage potential transformers.
对压电叠层作动器的机电性能进行了实验测试与分析。
Experiments were conducted and analyzed to investigate the electro-mechanical characterization of the piezoelectric stack actuator.
高压电击伤对局部组织的损伤除全层皮肤外，尚有深层组织的严重损伤。
High voltage electric injury of local tissues includes the severe injury of the deeper tissues except for the whole skin.
根据层间完全接触的连续条件，由传递矩阵方法导出了多层压电压磁弹性材料空间轴对称问题的一般解析式。
By the use of the continuity conditions at the layer interfaces, the general solution formulation of multilayered axisymmetric space magneto-electro-elastic media is given.
介绍了高压电力电缆故障的各种类型及其预定位和精确定位的方法，特别是对于护层故障的一种新的、更有效的测试方法。
The fault location and positioning method for HV cables is discussed in this paper, and a new test method for shield fault is mentioned.
文中从分析低压电力线的特性入手，针对用其传输家庭控制网络数据所面临的困难和不足，提出了在低压电力线网络的运行中引入一种新型的MAC层协议的方案。
From the point of PLC characteristic in low-voltage network and for the existed problems in the home control network, a new MAC layer protocol is proposed in this paper.
压电传感器和致动器都可以看成是一种复合材料层合板结构，由压电材料层和非压电(弹性)材料层交替铺设而成。
Piezoelectric sensors and actuators may be considered as multilayer laminated composites consisting of alternating layers of piezoelectric and non-piezoelectric materials.
压电传感器和致动器都可以看成是一种复合材料层合板结构，由压电材料层和非压电(弹性)材料层交替铺设而成。
Piezoelectric sensors and actuators may be considered as multilayer laminated composites consisting of alternating layers of piezoelectric and non-piezoelectric materials.
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