| 行波超声马达传动机理的研究（一）——运动传递机理及定子中存在弯曲行波的条件 |
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| 引用本文： | 朱美玲,金龙,赵淳生. 行波超声马达传动机理的研究（一）——运动传递机理及定子中存在弯曲行波的条件[J]. 振动、测试与诊断, 1996, 0(4) |
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| 作者姓名： | 朱美玲 金龙 赵淳生 |
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| 作者单位： | 南京航空航天大学振动工程研究所 |
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| 基金项目： | 航空基础科学基金,中国博士后科学基金 |
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| 摘 要： | 首先基于几何分析法研究了压电行波超声马达的运动传递机理，重点分析了驻波的产生和行波的合成原理，与转子相接触的定子表面质点的椭圆运动。然后基于弹性动力学方法研究了在定子中存在弯曲行波的条件，得出旋转型压电行波超声马达定子中弯曲行波的产生是基于同频和同节线的两个正交弯曲振型的叠加规律，提出了对圆形薄板圆形对称的基本结构要求
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| 关 键 词： | 压电行波超声马达，驻波，弯曲行波 |
Research on Transmission Mechanism of Piezoelectric Traveling Wave Ultrasonic Motors Part I: Mechanism of Motion Transmission and Conditions for the Existence of a Bending Traveling Wave in the Stator |
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| Zhu Meiling Jin Long Zhao Chunsheng. Research on Transmission Mechanism of Piezoelectric Traveling Wave Ultrasonic Motors Part I: Mechanism of Motion Transmission and Conditions for the Existence of a Bending Traveling Wave in the Stator[J]. Journal of Vibration,Measurement & Diagnosis, 1996, 0(4) |
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| Authors: | Zhu Meiling Jin Long Zhao Chunsheng |
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| Abstract: | The mechanism of the transmission of motion from the stator to the rotot of a piezoelectric traveling wave ultrasonic motor is geometrically studied with emphasis on the principles of the generation of standing waves, the composition of a traveling wave ,and the elliptic motion of the points on the surface of the stator being in contact with the rotor.The condition for the existence of the bending traveling wave in the stator is discussed in term of elastic dynamic mechanics.It is concluded that the bending traveling wave is generated from the superimposition of two orthogonal bending eigen vibratios with the same frequency and the same number of nodal lines.From the conclusion it is required that the stator should be perfectly circular symmetry. |
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| Keywords: | piezoelcetric traveling ultrasonic motor standing wave bending wave |
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