TY - GEN
T1 - Evaluation of the induced voltage in driven electrodes of piezoelectric tube actuators for sensorless nanopositioning
AU - Mohammadzaheri, Morteza
AU - Tafreshi, Reza
AU - Mohammad-Khorasani, Mohammad
AU - Bazghaleh, Mohsen
AU - Grainger, Steven
N1 - Publisher Copyright:
© 2015 IEEE.
PY - 2015/3/12
Y1 - 2015/3/12
N2 - In piezoelectric tube actuators, there are a number of segments or electrodes, some of them, driver electrodes, are excited by applying electrical voltage. As a result, electrical voltage is induced in other electrodes. The measured voltage across driver and non-driver electrodes/segments are called the piezoelectric voltage and the induced voltage respectively. The induced voltage has been used in displacement estimation and control of piezoelectric tube actuators since 2006, while the piezoelectric voltage has been used for the same purpose since 1980's. However, the newly introduced signal of the induced voltage has never been critically assessed for piezoelectric tubes' displacement estimation and control purposes, particularly in comparison with the piezoelectric voltage, another easy to measure electrical signal; this article aims to present such an assessment. In this research, both signals were mapped into displacement through linear and nonlinear models. It was shown displacement can be estimated less accurately via the induced voltage compared to the piezoelectric voltage and the relationship of displacement with the induced voltage presents higher nonlinearity compared to one with the piezoelectric voltage.
AB - In piezoelectric tube actuators, there are a number of segments or electrodes, some of them, driver electrodes, are excited by applying electrical voltage. As a result, electrical voltage is induced in other electrodes. The measured voltage across driver and non-driver electrodes/segments are called the piezoelectric voltage and the induced voltage respectively. The induced voltage has been used in displacement estimation and control of piezoelectric tube actuators since 2006, while the piezoelectric voltage has been used for the same purpose since 1980's. However, the newly introduced signal of the induced voltage has never been critically assessed for piezoelectric tubes' displacement estimation and control purposes, particularly in comparison with the piezoelectric voltage, another easy to measure electrical signal; this article aims to present such an assessment. In this research, both signals were mapped into displacement through linear and nonlinear models. It was shown displacement can be estimated less accurately via the induced voltage compared to the piezoelectric voltage and the relationship of displacement with the induced voltage presents higher nonlinearity compared to one with the piezoelectric voltage.
KW - Artificial Neural Networks
KW - Induced Voltage
KW - Nanopositioing
KW - Piezoelectric Actautor
UR - http://www.scopus.com/inward/record.url?scp=84929119091&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84929119091&partnerID=8YFLogxK
U2 - 10.1109/IEEEGCC.2015.7060050
DO - 10.1109/IEEEGCC.2015.7060050
M3 - Conference contribution
AN - SCOPUS:84929119091
T3 - 2015 IEEE 8th GCC Conference and Exhibition, GCCCE 2015
BT - 2015 IEEE 8th GCC Conference and Exhibition, GCCCE 2015
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2015 IEEE 8th GCC Conference and Exhibition, GCCCE 2015
Y2 - 1 February 2015 through 4 February 2015
ER -