| 压电叠堆驱动式超声电机设计 |
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| 引用本文： | 梁亚成,路国纬,虞赛君,万澳德.压电叠堆驱动式超声电机设计[J].压电与声光,2023,45(3):403-407. |
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| 作者姓名： | 梁亚成 路国纬 虞赛君 万澳德 |
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| 作者单位： | 合肥市轨道交通集团有限公司,安徽 合肥 230000;合肥市轨道交通集团有限公司运营分公司,安徽 合肥 230000;合肥工业大学 仪器科学与光电工程学院,安徽 合肥 230009 |
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| 基金项目： | 国家自然基金面上基金资助项目（52175533） |
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| 摘 要： | 该文研究了拟发挥压电叠堆大输出力的特点，并提出了一种压电叠堆驱动的超声电机。电机定子由压电叠堆与金属弹性体结构组成，定子在交变激励信号下产生行波振动，并通过摩擦耦合驱动转子旋转输出。该文制作了样机，并搭建了实验平台。测试结果表明，电机转速与驱动电压呈正相关关系。当驱动电压峰-峰值为310 V时，电机最大输出转速为42.55 r/min，输出扭矩为0.8 N·m。
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| 关 键 词： | 超声电机 压电叠堆 摩擦耦合 正弦驱动 输出扭矩 |
| 收稿时间： | 2022/11/7 0:00:00 |
Design of Piezoelectric Stack-Driven Ultrasonic Motor |
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| LIANG Yacheng,LU Guowei,YU Saijun,WAN Aode.Design of Piezoelectric Stack-Driven Ultrasonic Motor[J].Piezoelectrics & Acoustooptics,2023,45(3):403-407. |
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| Authors: | LIANG Yacheng LU Guowei YU Saijun WAN Aode |
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| Affiliation: | HeFei Rail Transit Group Co.Ltd, Hefei 230000 , China;Hefei Rail Transit Group Co.Ltd.Branch Company, Hefei 230000 , China; School of Instrument Science and Opto-Electronics Engineering,Hefei University of Technology,Hefei 230009 , China |
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| Abstract: | In this paper, an ultrasonic motor driven by piezoelectric stack is proposed, which takes advantage of the high output force of piezoelectric stack. The stator of the motor is composed of piezoelectric stack and metal elastic body structure. The stator generates traveling wave vibration under the alternating excitation signal, and drives the rotor to rotate through friction coupling. A prototype of the ultrasonic motor was fabricated and the experimental platform was set up. The test results show that there is a positive correlation between the motor speed and the driving voltage.speed within a certain range is positively correlated with the driving voltage. When the peak-to-peak value of the drive voltage is 310 V, the maximum output speed of the motor is 42.55 r/min and the output torque is 0.8 N·m. |
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