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|Title:||Using frequency-weighted data fusion to improve the performance of a digital charge amplifier|
|Citation:||Proceedings of the IEEE International Conference on Robotics and Automation held on 14-18 May, 2012, Saint Paul, MN: pp. 4774-4779|
|Series/Report no.:||IEEE International Conference on Robotics and Automation ICRA|
|Conference Name:||IEEE International Conference on Robotics and Automation (2012 : Saint Paul, MN)|
|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|
|Appears in Collections:||Mechanical Engineering conference papers|
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