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Actuators 2012, 1(1), 12-20; doi:10.3390/act1010012
Article

Square Wave Driver for Piezoceramic Actuators

,
 and
*
Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
* Author to whom correspondence should be addressed.
Received: 17 May 2012 / Revised: 27 June 2012 / Accepted: 28 June 2012 / Published: 6 July 2012
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Abstract

We present the circuit and performance of a square wave driver and power supply for piezoceramic actuators characterized by large capacitance, up to 3 μF. Capacitance of piezoceramic element is the key factor that limits the use of powerful actuators operating at high frequencies (kHz). It is thus important to build a driver that allows use of a possible wide set of actuators in the widest range of frequencies appropriate for the piezoelement. The driver that we report uses the properties of non-inductive resistors that allow for operation at high frequencies. Our report details the design, construction, tests and limitations of the device and its application to the control of a microfluidic valve.
Keywords: piezoceramic actuator; piezoceramic capacitance; square wave driver; microfluidic valve piezoceramic actuator; piezoceramic capacitance; square wave driver; microfluidic valve
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Jakiela, S.; Zaslona, J.; Michalski, J.A. Square Wave Driver for Piezoceramic Actuators. Actuators 2012, 1, 12-20.

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