| 纵扭复合型超声波电机纵振动数学模型 |
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| 引用本文： | 龚书娟,张长青,郭吉丰. 纵扭复合型超声波电机纵振动数学模型[J]. 声学学报, 2009, 34(4): 325-333. DOI: 10.15949/j.cnki.0371-0025.2009.04.012 |
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| 作者姓名： | 龚书娟 张长青 郭吉丰 |
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| 作者单位： | 衡水学院物理与电子信息系,河北,053000;浙江大学电气工程学院,杭州,310027 |
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| 基金项目： | 国家高技术研究发展计划(863计划),浙江省重点科技计划项目,浙江省教育厅重点项目 |
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| 摘 要： | 建立了纵扭复合型超声波电机的纵振动数学模型,通过仿真分析得到了电机的各种纵振动过程。仿真结果表明:只有摩擦材料参数和电机预压力选择合适,保证定转子在一个振动周期内接触、分离,并得到合适的接触角,从而实现电机的纵扭同频振动,电机才会有稳定的输出转矩和较高的效率。此外,该模型还从理论上证实了简化力传递模型中转子不动假设的合理性。
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| 收稿时间： | 2007-11-19 |
The longitudinal-vibration model of the hybrid longitudinal-torsional ultrasonic motor |
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| GONG Shujuan,ZHANG Changqing,GUO Jifeng. The longitudinal-vibration model of the hybrid longitudinal-torsional ultrasonic motor[J]. Acta Acustica, 2009, 34(4): 325-333. DOI: 10.15949/j.cnki.0371-0025.2009.04.012 |
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| Authors: | GONG Shujuan ZHANG Changqing GUO Jifeng |
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| Affiliation: | 1. Department of Physics and Electronic Information of Hengshui College, Hebei 053000;2. College of Electrical Engineering of Zhejiang University, Hangzhou 310027 |
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| Abstract: | The longitudinal-vibration mathematical model of the Hybrid Longitudinal-Torsional Ultrasonic Motor is founded.And all kinds of the longitudinal-vibration process of the motor are derived by simulation.It is concluded that proper values of the preload and fiction material parameters must be choosed to get proper contact angle and the same-frequency of the longitudinal and Torsional vibrations for the steady output and high efficiency of the motor. Additionally,the rationality of the assumption of the force transfer model that the rotor is unmovable is verified. |
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