New control method of ultrasonic motor - Constant current drive and equivalent circuit

被引：0
|
作者：
Kyodo, Y [1 ]
机构：
[1] Univ Tsukuba, Tsukuba, Ibaraki 305, Japan
来源：
SICE 2002: PROCEEDINGS OF THE 41ST SICE ANNUAL CONFERENCE, VOLS 1-5 | 2002年
关键词：
torque mirror; constant current drive; PLL; internal resistance;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This report first explains a prototyped constant current control circuit, which has successfully realized constant amplitude of the stator tip while maintaining a state of resonance, and that leads to the experimental results of velocity reduction proportional to the load torque under the constant current drive. Secondly, a new friction model based on these findings is proposed.
引用
收藏
页码：944 / 946
页数：3
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