Publications
An innovative digital charge amplifier to reduce hysteresis in piezoelectric actuators
Mohsen Bazghaleh, Steven Grainger, Ben Cazzolato, Tien-fu Lu (2010)
Proceedings of the Australasian Conference on Robotics and Automation, ACRA 2010, Brisbane, Australia, 1-3 DecemberAbstract:
Nanopositioners are the key components in a variety of nanopositioning applications, such as scanning probe microscopes and atomic force microscopes. Piezoelectric actuators are the most common actuators among a variety of smart actuators due to their higher resolution, lower power consumption and wider operating frequency but they suffer hysteresis which affects linearity. In this paper, an innovative digital charge amplifier is presented to reduce hysteresis in stack piezoelectric actuators. Experimental results are presented.
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