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Type: Conference paper
Title: Using frequency-weighted data fusion to improve the performance of a digital charge amplifier
Author: Bazghaleh, M.
Grainger, S.
Cazzolato, B.
Lu, T.
Citation: Proceedings of the IEEE International Conference on Robotics and Automation held on 14-18 May, 2012, Saint Paul, MN: pp. 4774-4779
Publisher: IEEE
Publisher Place: USA
Issue Date: 2012
Series/Report no.: IEEE International Conference on Robotics and Automation ICRA
ISBN: 9781467314039
ISSN: 1050-4729
Conference Name: IEEE International Conference on Robotics and Automation (2012 : Saint Paul, MN)
Statement of
M. Bazghaleh, S. Grainger, B. Cazzolato and T. Lu
Abstract: Piezoelectric actuators are the most common among a variety of smart actuators due to their high resolution, low power consumption and wide operating frequency but they suffer hysteresis which affects linearity. In this paper a novel digital charge amplifier is presented which reduces hysteresis and linearizes the piezoelectric actuator. A frequency-weighted data fusion algorithm uses a non-linear ARX model to remove drift and increase the bandwidth of digital charge amplifier. Experimental results are presented.
Keywords: Capacitors
mathematical model
piezoelectric actuators
DOI: 10.1109/ICRA.2012.6225160
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Appears in Collections:Aurora harvest 5
Environment Institute publications
Mechanical Engineering conference papers

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