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首页> 美国卫生研究院文献>Sensors (Basel Switzerland) >Design and Analysis of Electromagnetic-Piezoelectric Hybrid Driven Three-Degree-of-Freedom Motor
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Design and Analysis of Electromagnetic-Piezoelectric Hybrid Driven Three-Degree-of-Freedom Motor

机译：电磁-压电混合驱动三自由度电动机的设计与分析

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摘要

Multi-DOF movement actuators are widely used in industry, mainly in the fields of bionics and precision machining. With the non-stop improvement of modern-day industry, the requirements for the precision, integration and flexibility of multi-degree-of-freedom motion actuators in the industrial field have progressively increased. This paper presents a novel electromagnetic–piezoelectric hybrid driven three-degree-of-freedom motor. The driving method of the hybrid drive motor can be divided into electromagnetic driving and piezoelectric driving. The motor structure and working principle are analyzed. The structural parameters are obtained by modal analysis of the stators and rotor. The rationality of the stator structure is proved by using the transient analysis of the piezoelectric stators. The magnetic field characteristics of the motor are analyzed by both analytical method and the finite element method. The contact pressure and displacement between the piezoelectric stator and the rotor are analyzed by the analytical method. A motor drive model is established, which provides the basis for motor optimization design and control. Finally, a motor prototype and its test platform were built, and the experimental results are presented to verify the rationality of the motor design.
机译：多自由度运动执行器广泛用于工业领域，主要用于仿生学和精密加工领域。随着现代工业的不断发展，对工业领域中多自由度运动执行器的精度，集成度和灵活性的要求逐渐提高。本文提出了一种新颖的电磁-压电混合驱动的三自由度电动机。混合动力驱动电动机的驱动方法可以分为电磁驱动和压电驱动。分析了电机的结构和工作原理。通过对定子和转子的模态分析获得结构参数。通过对压电定子的瞬态分析，证明了定子结构的合理性。通过解析法和有限元法对电动机的磁场特性进行分析。用解析法分析了压电定子与转子之间的接触压力和位移。建立了电动机驱动模型，为电动机优化设计和控制提供了基础。最后，建立了电机原型及其测试平台，并通过实验结果验证了电机设计的合理性。

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