MATEC Web Conf.
Volume 217, 20182018 International Conference on Vibration, Sound and System Dynamics (ICVSSD 2018)
|Number of page(s)||6|
|Published online||17 October 2018|
Modelling of the Coupled Beam-Piezoelectric Material With Hysteresis Non-Linerity Effect
TheVibration Lab, School of Mechanical Engineering, Engineering Campus, Universiti Sains Malaysia, Penang
* Email: email@example.com
Hysteresis is one of the non-linearity characteristics of the piezoelectric material. This characteristic is important to be characterized since it can affect the performance of the piezoelectric material as sensor or actuator in many applications. In this study, the model of the coupled aluminium beam with single piezoelectric patch material is constructed to investigate the hysteresis effect of the piezoelectric material to the whole beam structure. A P-876 DuraActTM type piezoelectric patch material is used in modelling of the piezoelectric actuator. Firstly, the modal analysis of the coupled beam-piezoelectric actuator is determined to get the natural frequencies and mode shapes. Then, the piezoelectric patch material is investigated in terms of actuator by given a sinusoidal voltage excitation and output in terms of deflection, stress and strain of the piezoelectric actuator are investigated. From the results, it is clear that, the coupled beam-piezoelectric material is affected by the hysteresis of the piezoelectric material and the natural frequencies of the beam structure. This characteristic is important for the piezoelectric actuator manufacturer and by providing the correction algorithm, it can improve the performance of the piezoelectric actuator for many applications.
Key words: Hysteresis / coupled beam-piezoelectric material / modal analysis / voltage excitation / deflection
© The Authors, published by EDP Sciences, 2018
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