Transactions of the Society of Instrument and Control Engineers
Online ISSN : 1883-8189
Print ISSN : 0453-4654
ISSN-L : 0453-4654
Speed Control of Ultrasonic Motor by Hybrid Control
Tomonobu SENJYUKatsumi UEZATO
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1994 Volume 30 Issue 7 Pages 877-879

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Abstract
In this paper, the speed control of ultrasonic motor by hybrid control based on PI (proportional and integral) and adaptive control is discussed. Although dynamic characteristic of the ultrasonic motor varies with time, this method can control the motor speed sufficiently by identification of the motor parameters. The mathematical motor model is also disscussed.
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