NDLI: Improvement of potential energy exchange using nonlinear control

Content Provider	IEEE Xplore Digital Library
Author	Matichard, F. Gaudiller, L.
Copyright Year	2005
Description	Author affiliation: Lab. of Dynamics of Machines & Structures, Inst. Nat. des Sci. Appliquees de Lyon, Villeurbanne (Matichard, F.; Gaudiller, L.)
Abstract	This study proposes a nonlinear control method for improving the energy exchange between a structure and actuators. A modal development of the control and the mechanical work of actuators emphasizes independent "stiffness actions" and "damping actions". This paper deals with the improvement of stiffness actions for which emulated strain energy is accumulated by actuators and then released to the structure. A fuzzy modal control design aimed at improving this emulated potential energy control is proposed. Energy released to the structure is then minimized and transient responses are reduced. Its efficiency is first analyzed on the control of a single mode of the structure and a decrease of maximum control voltage is obtained. Then the method is applied to the modal control of a smart structure actuated by a PZT component. Improvements are shown on transient responses for several types of disturbances by comparison to a linear control
Starting Page	807
Ending Page	812
File Size	411081
Page Count	6
File Format	PDF
ISBN	0780390474
DOI	10.1109/AIM.2005.1511082
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-07-24
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Potential energy Energy exchange Fuzzy logic Fuzzy control Piezoelectric actuators Intelligent structures Capacitive sensors Control design Voltage control Flexible structures
Content Type	Text
Resource Type	Article

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