Journal ArticleDOI
Integral resonant control of collocated smart structures
TLDR
In this article, the authors introduce integral resonant control (IRC), a simple, robust and well-performing technique for vibration control in smart structures with collocated sensors and actuators.Abstract:
This paper introduces integral resonant control, IRC, a simple, robust and well-performing technique for vibration control in smart structures with collocated sensors and actuators. By adding a direct feed-through to a collocated system, the transfer function can be modified from containing resonant poles followed by interlaced zeros, to zeros followed by interlaced poles. It is shown that this modification permits the direct application of integral feedback and results in good performance and stability margins. By slightly increasing the controller complexity from first to second order, low-frequency gain can be curtailed, alleviating problems due to unnecessarily high controller gain below the first mode. Experimental application to a piezoelectric laminate cantilever beam demonstrates up to 24 dB modal amplitude reduction over the first eight modes.read more
Citations
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Journal ArticleDOI
Invited review article: high-speed flexure-guided nanopositioning: mechanical design and control issues.
TL;DR: This paper surveys key advances in mechanical design and control of dynamic effects and nonlinearities, in the context of high-speed nanopositioning, as well as future challenges and research topics.
Journal ArticleDOI
Design, Identification, and Control of a Flexure-Based XY Stage for Fast Nanoscale Positioning
TL;DR: In this article, a flexure-based, piezoelectric stack-actuated XY nanopositioning stage was designed to combine the ability to scan over a relatively large range (25times25 mum) with high scanning speed.
Journal ArticleDOI
Feedback Control of Negative-Imaginary Systems
Ian R. Petersen,Alexander Lanzon +1 more
TL;DR: In this paper, the robustness of positive-position feedback control of flexible structures with colocated force actuators and position sensors is investigated using the theory of negative-imaginary systems, which can be extended to nonlinear systems through the notion of counterclockwise input-output dynamics.
Journal ArticleDOI
Review of Control and Sensor System of Flexible Manipulator
TL;DR: A comprehensive review of the control strategies for the flexible manipulators and flexible joints that were studied in recent literatures is presented, providing some possible issues for future research works.
Journal ArticleDOI
Nanopositioning System With Force Feedback for High-Performance Tracking and Vibration Control
TL;DR: In this paper, the actuator load force of a nanopositioning stage is utilized as a feedback variable to achieve both tracking and damping, and the transfer function from the applied actuator voltage to the measured load force exhibits a zero-pole ordering.
References
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Journal ArticleDOI
Use of piezoelectric actuators as elements of intelligent structures
Edward F. Crawley,Javier de Luis +1 more
TL;DR: In this paper, a scaling analysis is performed to demonstrate that the effectiveness of actuators is independent of the size of the structure and evaluate various piezoelectric materials based on their effectiveness in transmitting strain to the substructure.
Vibration control of active structures : an introduction
TL;DR: The author explains the design process and some concepts in structural dynamics, including Hamilton's principle, which guided the development of the piezoelectric beam actuator.
Book
Active Control of Vibration
TL;DR: In this article, the authors present a general analysis of active structural acyclic control (ASAC) for plate systems, including the use of piezoelectric error sensors in ASAC.
Journal ArticleDOI
Positive position feedback control for large space structures
James L. Fanson,T. K. Caughey +1 more
TL;DR: In this paper, a new technique for vibration suppression in large space structures is investigated in laboratory experiments on a thin cantilever beam, which makes use of generalized displacement measurements to accomplish vibration suppression.
Book
Vibration Control of Active Structures: An Introduction
TL;DR: In this article, the authors present a detailed analysis of the structural dynamics of an active versus passive control system in a single-input, single-output (SISO) spacecraft.