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Dynamic Characteristics of Tiny Ultrasonic Linear Actuators

Dynamic Characteristics of Tiny Ultrasonic Linear Actuators

Hermes Hernández, Ramiro Velázquez
Copyright: © 2011 |Volume: 1 |Issue: 1 |Pages: 12
ISSN: 2156-1737|EISSN: 2156-1729|EISBN13: 9781613508350|DOI: 10.4018/ijmtie.2011010102
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MLA

Hernández, Hermes, and Ramiro Velázquez. "Dynamic Characteristics of Tiny Ultrasonic Linear Actuators." IJMTIE vol.1, no.1 2011: pp.12-23. http://doi.org/10.4018/ijmtie.2011010102

APA

Hernández, H. & Velázquez, R. (2011). Dynamic Characteristics of Tiny Ultrasonic Linear Actuators. International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE), 1(1), 12-23. http://doi.org/10.4018/ijmtie.2011010102

Chicago

Hernández, Hermes, and Ramiro Velázquez. "Dynamic Characteristics of Tiny Ultrasonic Linear Actuators," International Journal of Measurement Technologies and Instrumentation Engineering (IJMTIE) 1, no.1: 12-23. http://doi.org/10.4018/ijmtie.2011010102

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Abstract

Tiny ultrasonic linear actuators (TULAs) are used in many industrial applications and a full characterization of their dynamic behavior is needed. This paper presents a detailed theoretical-experimental study of TULAs. The general structure and operation principle of TULAs are introduced. The actuator dynamics is then described using a simple piezoelectric model. In practice, TULAs are most often used as actuators for positioning mechanisms. The proposed model includes electromechanical relations which offer designers a broad range of possibilities for precise positioning and reliable model-based control. TULAs are experimentally investigated to determine the conditions that allow an optimal performance.

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