ACTUATOR 2014 Manuscript Poster 40


Author: Hubert Borgmann
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Pages: 4
Language: English
Publication date: 10/04/2015
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Manuscript Poster 40 published in Conference Proceedings ACTUATOR 2014
Linear Piezoelectric Actuator for Precision Linear Positioning

Y. Shi, J. Zhang, C. Chen
Nanjing University of Aeronautics & Astronautics, Nanjing, China

Abstract:
This paper presents a new butterfly-shaped linear piezoelectric actuator for linear translation. A two-degree positioning stage driven by the linear ultrasonic motor has a very simple and compact structure, which makes the system obtain shorter driving chain. First, the drive principle of the linear ultrasonic motor are analysed. The use of the symmetric modal and anti-symmetric modal of the transducer (stator) realizes the function of driving the slider pressed on the driving feet twice in one cycle. Second, the structure of the two-degree position stage system is described in detail. Finally, the characteristics of the two-degree positioning stage are investigated. Experiments indicate that the stage motion driven by the motor can be controlled to the target position plus or minus _0.5 μm for a traveling distance of 50 mm in the closed-loop condition.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (www.actuator.de)
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (www.ithec.de)

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