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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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Reviewed: Reviewed
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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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Reviewed: Reviewed
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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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Reviewed: Reviewed
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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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Reviewed: Reviewed
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Date: 2011
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1041698
Description: This paper presents the design and control of a rotary dual-stage actuator (DSA) positioning system, which has a flexure-based beam driven by a voice coil motor (VCM) and a piezoelectric (PZT) actuato... More
Reviewed: Reviewed
Creators: Cantwell, Robert
Date: 2004
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/26542
Description: My purpose in this paper is to provide a developmental framework for considering both the development of enabling program curricula and for the associated development of assessment regimes. The paper ... More
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Reviewed: Reviewed
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Date: 2012
Language: eng
Resource Type: journal article
Identifier: http://hdl.handle.net/1959.13/1058072
Description: Dynamic positioning of marine craft refers to the use of the propulsion system to regulate the vessel position and heading. This type of motion control is commonly used in the offshore industry for su... More
Reviewed: Reviewed
Date: 2009
Language: eng
Resource Type: conference paper
Identifier: http://hdl.handle.net/1959.13/918650
Description: This paper demonstrates a simple second-order controller that eliminates scan-induced oscillation and provides integral tracking action. The controller can be retrofitted to any scanning probe microsc... More
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