The governing equations were derived for laminated plates incorporating shear - mode piezoelectric actuators from hamilton ' s principle 采用哈密顿原理导出带剪切型压电激励器的层合板的控制方程。
Therefore , shear deformation theories play an important role in smart composites with thickness shear actuators 因此，对于厚度剪切型激励器，剪切变形理论的选取对于板变形结果的好坏有重要的作用。
The method of design the hardware of automatic test system is introduced , and take example for take - over power equipment of wireless radio 摘要本文以航空无线电台的一个部件接收激励器为例说明了自动测试系统硬件平台的设计方法。
( 3 ) the adjacent synthetic flow field was numerical simulated and mechanism studied in different cases ( phase , amplitude and frequency ) ( 3 )对不同相位差、不同振幅、不同频率的两相邻激励器相互作用形成的合成射流流场进行数值分析并对其机理进行研究。
The shear actuation mechanism of piezoelectric materials was researched in this paper and three - order shear deformation theory was used to model smart laminated plates with shear mode piezoelectric actuators 本文对于压电材料的剪切作动机制进行研究，应用三阶剪切变形理论建立带剪切型压电激励器的智能层合板模型。
The main work embodied as follows . ( 1 ) model a biowhig / suction type boundary for synthetic jet actuator , it considers the actuator cavity , exit nozzle and exterior flow field as a single computational region ( 2 )本文的主要工作之一是基于建立的激励器简化模型对合成射流流场进行二维、三维数值分析以探讨合成射流流动机理。
As the key part of synthetic jet technology , the synthetic jet actuator can work without fluid feeding and has momentum flux but no mass flux . since it only needs electricity when works , it can be controlled easily 合成射流激励器作为该技术的关键工作部件，具有无需流体输送，净质量流量为零，动量不为零的特点，而且合成射流激励器工作时只需要电能，易于实现电参数控制。
Researches in this thesis aim to develop active health monitoring technology and use a diagnostic technique based on a built - in network of piezoelectric actuators and sensors was proposed for detecting the location and size of an damage in isotropic - plates 本文研究的目的在于开发一个主动的健康监测系统,用压电激励器和传感器的嵌入网络诊断技术,来检测各向同性板中损伤的位置和尺寸。
Second , numerical simulation and qualitative analysis has been done for the synthetic jet flow field in different cases ( different phase , amplitude and frequency ) , and gained many conclusions which are helpful for designing the synthetic jet actuator 二、对不同驱动频率，振动膜速度幅值以及激励器的结构对合成射流的影响分别进行数值计算和定性分析，得到了大量有助于合成射流激励器设计的结论。
