DEVELOPMENT OF FAST AND FINE POSITION CONTROL-SYSTEM OF AN ULTRASONIC MOTOR

被引:1
|
作者
AOYAGI, S [1 ]
ODA, T [1 ]
KAMIYA, Y [1 ]
OKABE, S [1 ]
机构
[1] OKI ELECT IND CO LTD,HACHIOJI,TOKYO 193,JAPAN
关键词
ULTRASONIC MOTOR; FINE POSITIONING; FAST POSITIONING; PHASE SHIFT; LINEARIZATION; FEEDBACK CONTROL SYSTEM; INTEGRAL CONTROL ACTION;
D O I
10.7567/JJAPS.31S1.254
中图分类号
O59 [应用物理学];
学科分类号
摘要
This paper shows experimentally that an ultrasonic motor has an approximate first-order transfer function between phase shift input and rotational speed output. A position control system which feedbacks position and velocity involving integral control action was developed. A fast response of about 100 msec and fairly high positioning accuracy up to a rotary encoder resolution were both realized in this system.
引用
收藏
页码:254 / 256
页数:3
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