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Date: 2009
Resource Type: conference paper
Identifier: uon:8691
Description: This paper presents the design and control of a rotary dual-stage actuator (DSA) system, which consists of a voice coil motor (VCM) and a piezoelectric (PZT) microactuator. The performance of the mech... More
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Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1064649
Description: This paper describes a new method for driving bimorph and multimorph piezoelectric benders. The `Biased Bipolar Configuration' uses a bias voltage applied to the top electrode, a control voltage appli... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/936079
Description: In this paper, we address the control design problem of positioning of over-actuated underwater vehicles. The proposed design is based on a control architecture with combined position and velocity loo... More
Date: 2013
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1063042
Description: The performance of precision mechatronic systems is restricted by their first dominant resonant mode. Damping techniques have be employed to suppress this resonance peak and improve the performance. T... More
Reviewed: Reviewed
Creators: James, Melanie
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/927156
Description: Positioning, as a concept in academic literature, is most frequently associated with marketing studies. Positioning in a public relations sense is underexplored with only a relatively small amount of ... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/933220
Description: major speed limitation of Scanning Probe Microscopes (SPMs) is the low vertical feedback bandwidth imposed by the mechanical scanner resonances. The vertical feedback controller regulates the tip-samp... More
Reviewed: Reviewed
Date: 2009
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/808413
Description: In this article, we have described the main components of a ship motion-control system and two particular motion-control problems that require wave filtering, namely, dynamic positioning and heading a... More
Reviewed: Reviewed
Date: 2010
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/923355
Description: Piezoelectric tubes exhibit a highly resonant mode of vibration which, if uncontrolled, limits the maximum scan rate in nano-scale positioning applications. Highly resonant systems with collocated sen... More
Reviewed: Reviewed
Date: 2014
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/1062903
Description: Positive Velocity and Position Feedback (PVPF) is a widely used control scheme in lightly damped resonant systems with collocated sensor actuator pairs. The popularity of PVPF is due to the ability to... More
Reviewed: Reviewed
Date: 2009
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/918646
Description: Piezoelectric-stack actuated platforms are utilized in many nanopositioning applications. Their performance is limited by their low-frequency resonance due to the mechanical construction as well as pi... More
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Date: 2008
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/39055
Description: There is a need, in the wide ranging scientific community, to perform fast scans using scanning tunneling microscopes (STMs) and atomic force microscopes (AFMs) with nanoscale precision. In this paper... More
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Date: 2009
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/41081
Description: The design, identification, and control of a novel, flexure-based, piezoelectric stack-actuated XY nanopositioning stage are presented in this paper. The main goal of the design is to combine the abil... More
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Creators: Fleming, Andrew J.
Date: 2009
Resource Type: conference paper
Identifier: uon:8713
Description: Many popular modes of scanning probe microscopy require a vertical feedback system to regulate the tip-sample interaction. Unfortunately the vertical feedback controller imposes a severe limit on the ... More
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Reviewed: Reviewed
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Date: 2008
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/43052
Description: Objective: An umbilical arterial catheter is often used to monitor blood pressure and take frequent blood samples in the very low birth weight newborn infant requiring neonatal intensive care. Incorre... More
Reviewed: Reviewed
Date: 2009
Resource Type: conference paper
Identifier: uon:8690
Description: This paper presents a new two-degree-of-freedom (2DOF) control design method for a dual-stage actuator (DSA) positioning system consisting of a linear motor (LM) and a piezo actuator (PA). The 2DOF co... More
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