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Piezoelectric motor driver: Design and evaluation

机译:压电马达驱动器:设计与评估

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摘要

This work focuses on the design of driver for PiezoLegs actuator used for high precision positioning purposes. Motor is driven with the set of periodical voltages with known frequency, amplitude and phase shift between the phases. Motor's operation has been investigated in detail and clear relationships between the amplitude and phase shifts between the driving voltages and motor step size have been established. According to the motor analysis, set of design requirements for the design of driver is given. Particular solution meeting these requirements and satisfying the given design constraints is presented. Driver is experimentally evaluated for power consumption and analyzed in frequency domain, it's performance is compared to the performance of a commercially available driver for the same motor. Designed driver shows improved performance.
机译:这项工作的重点是用于高精度定位目的的PiezoLegs执行器的驱动器设计。电动机由一组周期电压驱动,这些周期电压在各相之间具有已知的频率,幅度和相移。对电动机的运行进行了详细的研究,并建立了驱动电压与电动机步长之间的幅度和相移之间的明确关系。根据电机分析,给出了驱动器设计的一组设计要求。提出了满足这些要求并满足给定设计约束的特定解决方案。对驱动器进行了功率消耗的实验评估,并在频域中进行了分析,并将其性能与市售驱动器针对同一电动机的性能进行了比较。设计的驱动程序显示出改进的性能。

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