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https://hdl.handle.net/2440/112632
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Type: | Conference paper |
Title: | A simple distributed parameter analytical model of multi-layer piezoelectric actuators |
Author: | Zhang, Y. Lu, T.-F. |
Citation: | Proceedings of the Asia Modelling Symposium 2014: 8th Asia International Conference on Mathematical Modelling and Computer Simulation (AMS 2014), 2014 / Al-Dabass, D., Kuo, J., Liu, C.-H., Ma, S.-P., Ibrahim, Z. (ed./s), pp.247-250 |
Publisher: | IEEE |
Publisher Place: | Piscataway, NJ |
Issue Date: | 2014 |
Series/Report no.: | Asia International Conference on Modelling & Simulation |
ISBN: | 1479964867 9781479964864 |
ISSN: | 2376-1164 2376-1172 |
Conference Name: | Asia International Conference on Modelling and Simulation (AMS) (23 Sep 2014 - 25 Sep 2014 : Taipei, Taiwan and Kuala Lumpur, Malaysis) |
Editor: | Al-Dabass, D. Kuo, J. Liu, C.-H. Ma, S.-P. Ibrahim, Z. |
Statement of Responsibility: | Yangkun Zhang, Tien-Fu Lu |
Abstract: | Multi-layer piezoelectric actuators (PEAs) are commonly to produce extremely small displacements. Dynamic modeling of PEAs, which can be used to analyze or predict their frequency/time-domain behaviors, plays important roles in the design and control of PEA-based mechanisms. This paper provides a rationale that the complex electrical-mechanical coupled behaviors of PEA can be modelled as an equivalent simple solid with two equivalent excitation forces (proportional to the excitation voltage of PEA) that are equal and opposite, acting at two ends of PEA. Such a rationale is demonstrated through the mathematical derivation process, based on the IEEE standard constitutive relations of piezoelectricity. From the derivation process, the underlying assumptions for the equivalent model to be effective are revealed and the relevant constants in equivalent models are correlated to the standard IEEE piezoelectric material properties. The identified underlying assumptions can provide a guideline for designs to use this simple PEA model. The identified correlation between the constants in equivalent models and the standard IEEE piezoelectric materials allows an alternative way to obtain the equivalent constants, if it is not available for experiments to determine them. |
Keywords: | multi-layer piezoelectric actuator distributed parameter system uniform-electrical-field assumption simple analytical model |
Rights: | © 2014 IEEE |
DOI: | 10.1109/AMS.2014.55 |
Published version: | https://ieeexplore.ieee.org/xpl/mostRecentIssue.jsp?punumber=7078817 |
Appears in Collections: | Aurora harvest 3 Mechanical Engineering conference papers |
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