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Appl. Sci. 2016, 6(8), 225; doi:10.3390/app6080225

Analysis and Experimental Research of a Multilayer Linear Piezoelectric Actuator

1
School of Mechanical Engineering and Automation, Beihang University, Beijing 100191, China
2
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)
View Full-Text   |   Download PDF [5210 KB, uploaded 11 August 2016]   |  

Abstract

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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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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