
压电传动装置
The hysteresis in piezoelectric actuator is the main factor that affects its displacement accuracy.
压电驱动器的迟滞特性是影响其位移输出精度的主要因素。
To develop the RAINBOW piezoelectric actuator with ultra-high displacement, the reduction behavior of PLZT piezoelectric ceramics was researched by experiments.
为研制具有超大位移的RAINBOW压电驱动器,实验研究了制备该器件的PLZT压电陶瓷的高温还原行为。
Concentrated stress and parasite displacement are two key factors that influence the performance of micromanipulator based on flexure hinge and piezoelectric actuator.
集中应力和耦合位移是影响基于柔性铰链和压电陶瓷驱动器的微操作器性能的关键因素。
Displacement sensor is essential to provide feedback in close-loop control of piezoelectric actuator.
在压电执行器闭环控制系统中,需要位移传感器提供位移反馈量。
Displacement characteristics of a cantilever split morph piezoelectric actuator have been investigated.
研究了悬臂梁式分割电极片状压电致动器的位移特性。
Displacement characteristics of cantilever split morph, a new type of piezoelectric actuator, have been investigated.
研究了悬臂梁式分割电极片状压电致动器的位移特性。
The actuating performance of piezoelectric actuator and its effect factors are discussed by numerical simulation in the paper.
通过数值模拟,分析了压电驱动器的驱动性能及其影响因素。
In relation to the active vibration control of an intelligent beam with piezoelectric actuator-sensor components distributed discretely, a study is made on the optimal design of its structure.
应用遗传算法,对用离散分布压电作动-传感元件的智能梁进行振动主动控制,研究其结构优化设计问题。
In this paper, based on the theory of piezoelectric ceramic and vibration mechanics, an implementing mechanism propelled piezoelectric actuator is proposed.
在压电理论和机械振动理论的基础上,提出了一种基于压电作动器的控制执行装置。
A kind of micro-positioning stage driven by piezoelectric actuator and guided by flexible joint is researched and designed for improving the precision of machining tools.
为了提高机床的定位精度,研究、设计了一种以柔性铰链为导向元件、压电陶瓷为驱动器的微定位工作台。
In order to improve the efficiency of the piezoelectric pump and optimize its structure, the dynamic characteristics of the piezoelectric actuator were explored.
为了提高压电泵的效率、优化压电泵的结构,对泵用压电振子的动态特性进行了研究。
The results show that the approach can overcome the nonlinear hysteresis of piezoelectric actuator and the vibration of flexible manipulator and get high tracking control accuracy.
试验表明,此方法可以有效地克服片状压电陶瓷驱动器的迟滞特性,消除柔性臂运动产生的振动,实现柔性臂的高精度轨迹控制。
The network can reduce the modeling error for the piezoelectric actuator of a nanometer positioning system. Experimental results proved validity of the algorithm.
将该网络应用于纳米定位系统压电陶瓷执行器迟滞建模中,可以降低建模误差,实验结果验证了该方法的有效性。
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.
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。
And an electromechanical model of piezoelectric actuator is presented to demonstrate that charge-feedback control is prominently effective to reduce hysteresis, creep and to improve linearity.
建立了压电作动器的机电模型,证明了电荷反馈控制对于减小回滞现象、提高线性度有明显的作用。
Characteristics of driving performance of piezoelectric bimorph were stu***d for large displacement piezoelectric actuator.
针对大位移压电陶瓷驱动器,研究了压电陶瓷双晶片的驱动效能。
Using the mechanism of the piezoelectric effect of piezoelectric materials to design a piezoelectric actuator bar master, and analyze its working principle and design method.
利用压电材料的压电效应机理,设计出一种压电主控作动杆件,分析其工作原理和设计方法。
Power supply is the key component in micro piezoelectric actuator's application.
压电陶瓷驱动电源是压电陶瓷微位移器的关键部件。
Because of a short output displacement of piezoelectric actuator, an amplification mechanism composed of a symmetrical flexible hinge with one ******* was designed to amplify the output displacement.
由于压电陶瓷微位移器件输出位移过小,因此提出了一种单自由度对称式柔性铰链放大机构来提高微定位行程。
Eventually, piezoelectric actuator with the best driving ability is prepared.
最后通过实验方法分析了压电双晶片驱动器的驱动能力。
The following aspects have been stu***d. Based on theoretical research of the actuation mechanism, the characteristic of the P239.40 piezoelectric actuator was tested.
在系统分析了压电陶瓷驱动器驱动机理的基础上,通过实验测试了P239.40型压电陶瓷驱动器的迟滞、蠕变等特性。
The shear stress rises sharply at the ends of the piezoelectric actuator with the shear modulus increasing or the thickness decreasing.
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 application of piezoelectric actuator to active engine mount is presented in this paper.
文中介绍了它在发动机主动悬置中的应用。
Piezoelectric pump, a new type of piezoelectric actuator, has many potential applications in the future due to its characteristics.
压电泵作为一种新型压电驱动器,有着广阔的发展前景。
压电执行器(Piezoelectric Actuator)是一种基于压电效应实现电能与机械能相互转换的精密驱动装置。其核心原理是某些特定晶体材料(如石英、锆钛酸铅等)在施加外部电场时会产生微小形变,这种现象称为逆压电效应。当电压作用于压电材料时,其内部晶格结构发生极化偏移,从而产生纳米级至微米级的精确位移,适用于高精度定位和微纳操控场景。
优势方面,该类执行器具有亚纳米级分辨率、毫秒级响应速度和无需润滑的特性。局限则包括单轴运动范围通常小于1毫米,且需要数百伏驱动电压。近年通过层叠结构设计(如积层型压电陶瓷)已可将位移扩展至数百微米级。
(注:实际引用来源需根据具体文献补充,例如美国国家标准与技术研究院压电材料报告、《IEEE压电与声波器件汇刊》等权威资料链接。此处示例编号仅为演示引用格式。)
Piezoelectric Actuator(压电致动器) 是一种基于压电效应的精密驱动装置,主要用于将电能转换为机械位移或力。以下从定义、工作原理、特点和应用等方面进行详细解释:
压电致动器由压电材料(如压电陶瓷)构成,通过施加电压产生形变,从而输出精确的位移或力。其名称中的“压电”(piezoelectric)源于希腊语“piezein”(挤压),指材料在机械应力下产生电荷的特性,反之亦然(, )。
扩展阅读:若需了解具体型号或技术细节,可参考(道客巴巴)和(MEMS驱动领域研究)。
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