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CLC number: TM32

On-line Access: 2007-11-25

Received: 2007-03-21

Revision Accepted: 2007-06-03

Crosschecked: 0000-00-00

Cited: 17

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Citations:  Bibtex RefMan EndNote GB/T7714

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Journal of Zhejiang University SCIENCE A 2008 Vol.9 No.1 P.58-64


Modelling of ultrasonic motor with dead-zone based on Hammerstein model structure

Author(s):  Xin-liang ZHANG, Yong-hong TAN

Affiliation(s):  Department of Automation, School of Electronic, Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China; more

Corresponding email(s):   xinliangzhang@sjtu.edu.cn, tany@gliet.edu.cn

Key Words:  Ultrasonic motor (USM), Hammerstein model, Dead-zone, Nonlinearity, Identification

Xin-liang ZHANG, Yong-hong TAN. Modelling of ultrasonic motor with dead-zone based on Hammerstein model structure[J]. Journal of Zhejiang University Science A, 2008, 9(1): 58-64.

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author="Xin-liang ZHANG, Yong-hong TAN",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Modelling of ultrasonic motor with dead-zone based on Hammerstein model structure
%A Xin-liang ZHANG
%A Yong-hong TAN
%J Journal of Zhejiang University SCIENCE A
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%N 1
%P 58-64
%@ 1673-565X
%D 2008
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A071146

T1 - Modelling of ultrasonic motor with dead-zone based on Hammerstein model structure
A1 - Xin-liang ZHANG
A1 - Yong-hong TAN
J0 - Journal of Zhejiang University Science A
VL - 9
IS - 1
SP - 58
EP - 64
%@ 1673-565X
Y1 - 2008
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A071146

The ultrasonic motor (USM) possesses heavy nonlinearities which vary with driving conditions and load-dependent characteristics such as the dead-zone. In this paper, an identification method for the rotary travelling-wave type ultrasonic motor (RTWUSM) with dead-zone is proposed based on a modified hammerstein model structure. The driving voltage contributing effect on the nonlinearities of the RTWUSM was transformed to the change of dynamic parameters against the driving voltage. The dead-zone of the RTWUSM is identified based upon the above transformation. Experiment results showed good agreement between the output of the proposed model and actual measured output.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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