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Title: Dynamic analysis of cylindrical ultrasonic motor under external excitation
Authors: Wang, X.
Ong, C.J. 
Teo, C.L. 
Panda, S.K. 
Keywords: Cylindrical Ultrasonic Motor
Mode-summation method
Servo control
Timoshenko beam model
Issue Date: 15-Aug-2003
Source: Wang, X., Ong, C.J., Teo, C.L., Panda, S.K. (2003-08-15). Dynamic analysis of cylindrical ultrasonic motor under external excitation. Sensors and Actuators, A: Physical 105 (3) : 247-254. ScholarBank@NUS Repository.
Abstract: This paper studies the dynamic behavior of Cylindrical Ultrasonic Motor (CUSM) under the external excitation of two sinusoidal voltage signals. Such a study is useful for designing effective servo control scheme for the CUSM. In particular, it is important to understand how the output speed is related to the three possible control inputs - voltage amplitude, driving frequency and phase difference of the two excitation voltage signals. In this paper, the Timoshenko beam model and mode-summation method are used to analyze the dynamic response of the lead zirconate titanate (PZT) stator tube of the CUSM under external excitation. Then, the input-output relations between the speed output and control inputs are established. Finally, the validity of this theoretical analysis is verified experimentally. © 2003 Elsevier B.V. All rights reserved.
Source Title: Sensors and Actuators, A: Physical
ISSN: 09244247
DOI: 10.1016/S0924-4247(03)00127-4
Appears in Collections:Staff Publications

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