Model Identification and Controller Design for Piezoelectric Ceramic Actuator

Yi Bo Li; Zhao Hui Liu; Yan Mei Liu

doi:10.4028/www.scientific.net/AMM.734.264

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 734Model Identification and Controller Design for...

Model Identification and Controller Design for Piezoelectric Ceramic Actuator

Abstract:

Piezoelectric ceramics are widely used in precision measurement and precision positioning, but its nonlinear characteristics seriously affected its application. Thus, firstly input voltage and output displacement data of piezoelectric ceramics are collected by the experiment, the nonlinear characteristics of piezoelectric ceramics is analyzed. Then a piezoelectric ceramic linear model is established using recursive least squares algorithm based on input and output signal. The identification results show that the algorithm is effective. Finally PID controller is designed and the controller has better control effect.

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Periodical:

Applied Mechanics and Materials (Volume 734)

Pages:

264-267

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.734.264

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Online since:

February 2015

Authors:

Yi Bo Li, Zhao Hui Liu, Yan Mei Liu*

Keywords:

Data Acquisition, PID Controller, Piezoelectric Ceramic, Recursive Least Squares Algorithm

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* - Corresponding Author

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