NDLI: Optimal Position of Piezoelectric Elements in Flexible Structures Active Vibration Control

Content Provider	IEEE Xplore Digital Library
Author	Jingjun Zhang Lili He Ercheng Wang Ruizhen Gao
Copyright Year	2008
Description	Author affiliation: Coll. of Civil Eng., Hebei Univ. of Eng., Handan (Lili He; Ercheng Wang) \|\| Dept. of Sci. Res., Hebei Univ. of Eng., Handan (Jingjun Zhang) \|\| Coll. of Mech. & Electr. Eng., Hebei Univ. of Eng., Handan (Ruizhen Gao)
Abstract	Based on the linear quadratic Gauss (LQG) optimal control method, the paper introduces an effective procedure to suppress the vibration of flexible structures with the sensors/actuators are symmetrically collocated on both sides of the same position on the host structure. The model of a piezoelectric intelligent cantilever beam is built by the application of ANSYS software. The D-optimal design principle is adopted which is an optimal method which chosen by the maximum determinant of Fisher information matrix as the criteria function. Studies on the modes shapes and dynamic characteristics of the structure, and converts the selected modes into a unitary form by a simple method, the optimal position of the piezoelectric elements can be confirmed by the mode shapes of the structures. Finally, the paper takes a piezoelectric cantilever beam as an example and gives the step response of the system, the results show the effectiveness of this method.
Starting Page	895
Ending Page	900
File Size	393639
Page Count	6
File Format	PDF
ISBN	9780769534978
DOI	10.1109/IITA.2008.583
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-12-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	D-optimal design principle Shape Intelligent actuators fuzzy logic fuzzy logic controller (FLC) Application software LQG optimal control Intelligent sensors IF-THEN rules ANSYS software. iita969-smart structures intelligent structures Optimal control Hydraulic actuators Gaussian processes piezoelectric materials Vibration control Structural beams Flexible structures active vibration
Content Type	Text
Resource Type	Article

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