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首页> 外文会议>Proceedings of 4th International Workshop on Piezoelectric Materials and Applications in Actuators >A disk-pivot structure micro piezoelectric actuator with double ceramic discs
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A disk-pivot structure micro piezoelectric actuator with double ceramic discs

机译：具有双陶瓷盘的盘枢轴结构微压电致动器

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摘要

A disk-pivot structure micro piezoelectric actuator with two double ceramic discs has been designed.Different from the-piezoelectric actuator described in the reference paper,two piezoelectric discs are bonded on the both sides of the bronze stator.The metal cylinder on the stator is used to amplify the transverse displacement and metal rod rotor is actuated to rotate.Using finite element analysis (FEA) on the stator,it is found that the actuator can provide more transverse and vertical displacements than the previous prototype with only one ceramic disc under the same driving and boundary conditions.Experiments illustrate that this new structure can also avoid the coupling phenomena between different vibration modes and generate identical modal shape to enhance the stability of the actuator.Such piezoelectric actuator can be optimized and adjusted to fit different practical applications,such as precise positioning instrument,bioengineering and optical focus system,etc.
机译：设计了一种带有两个双陶瓷盘的盘-枢轴结构微压电致动器。与参考文件中所述的压电致动器不同，两个压电盘分别粘结在青铜定子的两侧。定子上的金属圆柱体是通过对定子进行有限元分析（FEA），发现与以前的原型相比，该致动器可以提供更大的横向和纵向位移，而在原型下只有一个陶瓷盘的情况下，该致动器可以提供更多的横向和纵向位移。实验表明，这种新结构还可以避免不同振动模式之间的耦合现象，并产生相同的模态形状以增强执行器的稳定性。可以对压电执行器进行优化和调整以适应不同的实际应用，例如作为精密定位仪器，生物工程和光学聚焦系统等。

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  • 来源
  • 会议地点 Nanjing(CN)
  • 作者

    ZHANG Yunlong; rnLIU Donghua; rnLIU Mao;

  • 作者单位

    Xiangcheng Chu@The State Key Laboratory of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,P.R.China--Xiangyu Chen@The State Key Laboratory of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,P.R.China--Long Ma@The State Key Laboratory of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,P.R.China--Longtu Li@The State Key Laboratory of New Ceramics and Fine Processing,Department of Materials Science and Engineering,Tsinghua University,Beijing 100084,P.R.China--;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 压电陶瓷材料;
  • 关键词

    Piezoelectric actuator; vibration modes; disk-pivot; FEM;

    机译：压电执行器振动模式磁盘枢轴有限元;

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