Adelaide Research & Scholarship
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https://hdl.handle.net/2440/73420
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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 2577-087X |
| Conference Name: | IEEE International Conference on Robotics and Automation (2012 : Saint Paul, MN) |
| Statement of Responsibility: | 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 equations hysteresis mathematical model piezoelectric actuators resistors sensors |
| DOI: | 10.1109/ICRA.2012.6225160 |
| Published version: | http://dx.doi.org/10.1109/icra.2012.6225160 |
| Appears in Collections: | Aurora harvest 5 Environment Institute publications Mechanical Engineering conference papers |
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