基于非标准模态的三自由度圆柱超声电机的研制

IF 2.5 4区综合性期刊 Q2 CHEMISTRY, MULTIDISCIPLINARY

Applied Sciences-Basel Pub Date : 2023-09-07 DOI:10.3390/app131810096

Jingwen Leng, Long Jin, Zhike Xu, X. Zhu

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引用次数: 0

摘要

与其他超声波电机相比，圆柱形多自由度（多自由度）超声波电机具有显著减小电机尺寸的潜力。它们在各种系统中都有应用，包括微型机器人关节和太空探测器。本文提出了一种具有混合振动模式的三自由度圆柱超声电机。混合振动模式包括非标准纵向和弯曲振动。首先介绍了该电机的结构和工作原理。COMSOL Multiphysics对定子的振动模式、频率响应和三自由度运动进行建模。制造并表征了电机原型，以展示电机的输出特性。结果表明，电机沿x轴和y轴的空载速度为37rpm，沿z轴的空载转速高达77rpm。电机的最大输出扭矩为25牛米。该电机高度低且紧凑，提供了一种用于进一步减小同类型电机的定子长度的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Development of a 3-DOF Cylindrical Ultrasonic Motor Based on Non-Standard Modes

Cylindrical multi-degree-of-freedom (multi-DOF) ultrasonic motors have the potential to significantly reduce motor size compared to other ultrasonic motors. They find applications in various systems, including micro-robot joints and space probes. This paper proposes a 3-DOF cylindrical ultrasonic motor with hybrid vibration modes. Hybrid vibration modes encompass non-standard longitudinal and bending vibrations. The structure and operating principle of the motor are described first. COMSOL Multiphysics models the stator’s vibration modes, frequency response, and 3-DOF motion. A motor prototype is manufactured and characterized to demonstrate the output characteristics of the motor. The results indicate that the motor has a no-load speed of 37 rpm along the x- and y-axes and up to 77 rpm along the z-axis. The maximum output torque of the motor is 25 Nm. The motor is low in height and compact, providing a method for further reducing the stator length of motors of the same type.

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来源期刊

Applied Sciences-Basel CHEMISTRY, MULTIDISCIPLINARYMATERIALS SCIE-MATERIALS SCIENCE, MULTIDISCIPLINARY

CiteScore

5.30

自引率

11.10%

发文量

10882

期刊介绍： Applied Sciences (ISSN 2076-3417) provides an advanced forum on all aspects of applied natural sciences. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.