| 行波型超声波电动机的PWM控制驱动电源 |
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| 引用本文： | 王文浩,王光庆,郭吉丰.行波型超声波电动机的PWM控制驱动电源[J].微特电机,2007,35(2):32-34. |
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| 作者姓名： | 王文浩 王光庆 郭吉丰 |
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| 作者单位： | 1. 浙江大学,浙江杭州,310027
2. 浙江工商大学,浙江杭州,310018 |
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| 摘 要： | 介绍了一种基于PWM控制的行波型超声波电动机的驱动电源,重点介绍了变压器的优化设计思路,并通过实验确定了变压器的最佳参数;通过对不同占空比下电机的各项性能进行了综合比较和分析,确定了PWM波的最佳占空比。实验证明了这种电源比较适合超声波电动机的驱动。
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| 关 键 词： | PWM控制 变压器 大力矩 占空比 |
| 文章编号： | 1004-7018（2007）02-0032-03 |
| 修稿时间： | 2006-07-20 |
A Design of PWM Driving Circuit for Ultrasonic Motor |
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| WANG Wen-hao,WANG Guang-qing,GUO Ji-feng.A Design of PWM Driving Circuit for Ultrasonic Motor[J].Small & Special Electrical Machines,2007,35(2):32-34. |
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| Authors: | WANG Wen-hao WANG Guang-qing GUO Ji-feng |
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| Affiliation: | 1. Zhejiang University, Hangzhou 310027, China;2. Zhejiang Gongshang University, Hangzhou 310018, China |
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| Abstract: | Based on the drive characteristic of the traveling wave type ultrasonic motor,a new power using the technique of pulse width modulation was presented in this paper.It was emphasis on how to design the transformer and to choose the best duty ratio.The experimental results showed that the driving circuit suited for driving the traveling wave type ultrasonic motor. |
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| Keywords: | PWM transformer large torque duty ratio |
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