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Appl. Sci. 2016, 6(8), 225;

Analysis and Experimental Research of a Multilayer Linear Piezoelectric Actuator

School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
Authors to whom correspondence should be addressed.
Academic Editor: Sheng-Yuan Chu
Received: 6 May 2016 / Revised: 3 August 2016 / Accepted: 4 August 2016 / Published: 11 August 2016
(This article belongs to the Special Issue Ferroelectric Ceramics)
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To lower the operating voltage and improve the output performance of piezoelectric actuators, a multilayer monolithic ultrasonic linear piezoelectric actuator was analyzed with the method of finite element analysis (FEA), and a prototype was fabricated and experimentally researched in this study. Experimental results show that the actuator with a multilayer piezoelectric lead zirconate titanate (PZT) structure (size: 30 × 7.5 × 3 mm3, mass: 5.49 g) can output a pulling force of 5.0 N maximum and a linear velocity up to 270 mm/s at the voltage of 100 Vpp (Vpp means the peak-to-peak value of the voltage volts), showing a relatively good velocity controllability at the same time. The temperature rise characteristic of the actuator at various voltages was studied. The results indicate that: the temperature of this actuator rises rapidly but tends to saturate at some value; applying an offsetting voltage or decreasing the amplitude of the voltage would reduce the heat production. View Full-Text
Keywords: piezoelectric actuator; multilayer; FEA; temperature rise piezoelectric actuator; multilayer; FEA; temperature rise

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Yuan, S.; Zhao, Y.; Chu, X.; Zhu, C.; Zhong, Z. Analysis and Experimental Research of a Multilayer Linear Piezoelectric Actuator. Appl. Sci. 2016, 6, 225.

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