Please use this identifier to cite or link to this item: https://doi.org/10.1109/TCST.2012.2200896
Title: Development of an approach toward comprehensive identification of hysteretic dynamics in piezoelectric actuators
Authors: Liu, L.
Tan, K.K. 
Teo, C.S.
Chen, S.-L.
Lee, T.H. 
Keywords: Creep
model identification
piezoelectric actuator (PA)
Preisach hysteresis
Vibration dynamics
Issue Date: 2013
Source: Liu, L., Tan, K.K., Teo, C.S., Chen, S.-L., Lee, T.H. (2013). Development of an approach toward comprehensive identification of hysteretic dynamics in piezoelectric actuators. IEEE Transactions on Control Systems Technology 21 (5) : 1834-1845. ScholarBank@NUS Repository. https://doi.org/10.1109/TCST.2012.2200896
Abstract: This paper presents a comprehensive approach for the identification of the hysteresis and coupled nonhysteretic dynamics of piezoelectric actuators over a broad range of frequencies. The approach leverages on the special characteristics and distinctions of the hysteretic and nonhysteretic components to identify them in sequence, efficiently. The nonhysteretic dynamics is identified using square wave input signals. The creep dynamics is identified using an input signal with a long period. Conversely, electric and vibration dynamics are identified using an input signal with a small period. Moreover, the drift due to the creep is eliminated by employing its model inversion. The Preisach hysteresis is identified with specially designed harmonic input signals and sampling rules, which overcome the persistent excitation problem of hysteresis identification and improve the computational efficiency. Simulation and experiments are conducted to validate the effectiveness of the identification approach. © 2013 IEEE.
Source Title: IEEE Transactions on Control Systems Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/55612
ISSN: 10636536
DOI: 10.1109/TCST.2012.2200896
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