| 压电驱动器环形压电振子特性及其等效电学参数识别 |
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| 引用本文： | 王光庆,郭吉丰.压电驱动器环形压电振子特性及其等效电学参数识别[J].功能材料与器件学报,2011,17(4):359-365. |
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| 作者姓名： | 王光庆 郭吉丰 |
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| 作者单位： | 1. 浙江工商大学信息与电子工程学院,杭州,310018
2. 浙江大学电气工程学院,杭州,310017 |
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| 基金项目： | 国家自然科学基金(60575059); 浙江省自然科学基金(Y1080037); 浙江省高校优秀青年教师资助计划项目 |
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| 摘 要： | 压电驱动器是一种由压电功能材料构成的微型机电器件,为研究改善压电驱动器环形压电振子的振动特性和俘能特性,建立了压电振子的机电耦合有限元模型,分析了压电振子齿槽倾斜度和支撑对其振动特性和俘能特性的影响,并从改善振子振动特性和俘能特性角度出发,对压电振子进行了结构优化设计；其次,利用该有限元模型求解了压电振子的导纳特性曲线...
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| 关 键 词： | 压电振子 有限元 动态特性 导纳特性 参数识别 |
Characteristics Analysis and Electrical Parameters Identification of the Rotary Piezoelectric Vibrator of the Ultrasonic Actuator |
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| WANG Guang-qing,Guo Ji-feng.Characteristics Analysis and Electrical Parameters Identification of the Rotary Piezoelectric Vibrator of the Ultrasonic Actuator[J].Journal of Functional Materials and Devices,2011,17(4):359-365. |
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| Authors: | WANG Guang-qing Guo Ji-feng |
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| Affiliation: | WANG Guang-qing1,Guo Ji-feng2(1.School of Electronics and Information Engineering of Zhejiang Gongshang University,Hangzhou,310018,2.College of Electrical Engineering of Zhejiang University,310027) |
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| Abstract: | In order to analyze the vibrating and the harvesting performances of the rotary vibrator of the ultrasonic actuator.An electro-mechanical coupling finite element(FEM) model of the piezoelectric vibrator of the ultrasonic actuator is derived.Based on the model,the influences of the configuration parameters(such as the slot slope and the support of the piezoelectric vibrator) on the dynamic characteristics(including the vibrating characteristics and the harvesting characteristics) are studied,and the optimize... |
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| Keywords: | Piezoelectric vibrator finite element model dynamical performances admittance characteristics parameters identification |
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