Adjustable speed control of ultrasonic motors by adaptive control

Author

Senjyu, Tomonobu ; Uezato, Katsumi ; Miyazato, Hiroshi

Author_Institution

Fac. of Eng., Ryukyus Univ., Okinawa, Japan

Volume

10

Issue

5

fYear

1995

fDate

9/1/1995 12:00:00 AM

Firstpage

532

Lastpage

538

Abstract

The driving principle of the ultrasonic motor (USM) is different from those of the electro-magnetic type motors. Some mathematical models for the USM have been reported; however, these models are very complex to apply for speed control of the USM. Therefore, the speed controllers have been designed using PI controllers or fuzzy controllers and it is necessary to develop a simple and convenient mathematical model for the USM in order to achieve a high-performance speed control. In this paper, a mathematical model for the USM is proposed which is simple and useful for speed control. The speed controller is designed based on the model using adaptive control theory. Adaptive control is attractive for control of the USM because the speed characteristics of the USM vary with drive conditions. The application of this control scheme to speed control for the USM is attempted first. The effectiveness of proposed control is demonstrated by experimental

Keywords

adaptive control; fuzzy control; machine control; two-term control; ultrasonic motors; velocity control; PI controllers; adaptive control; adjustable speed control; fuzzy controllers; mathematical model; speed controllers; ultrasonic motors; Adaptive control; Control theory; Frequency; Fuzzy control; Mathematical model; Modems; Pi control; Proportional control; Velocity control; Voltage control;

fLanguage

English

Journal_Title

Power Electronics, IEEE Transactions on

Publisher

ieee

ISSN

0885-8993

Type

jour

DOI

10.1109/63.406840

Filename

406840