Vibration Confinement via Optimal Eigenvector Assignment and Piezoelectric Networks

[+] Author and Article Information
J. Tang

Department of Mechanical Engineering, The University of Connecticut, Storrs, CT 06269e-mail: jtang@engr.uconn.edu

K. W. Wang

Department of Mechanical and Nuclear Engineering, The Pennsylvania State University, University Park, PA 16802e-mail: kwwang@psu.edu

J. Vib. Acoust 126(1), 27-36 (Feb 26, 2004) (10 pages) doi:10.1115/1.1597213 History: Received September 01, 2002; Revised April 01, 2003; Online February 26, 2004
Copyright © 2004 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Simultaneous optimization/optimal eigenvector assignment procedure for active-passive hybrid system design
Grahic Jump Location
Frequency responses of the first beam. Solid line: original structure without shunt circuits; Dashed line: mechanical structure integrated with passive shunt circuits.
Grahic Jump Location
Modal energy ratio ϕiac*ϕlacia*ϕia corresponding to different eigenstructure assignment approaches
Grahic Jump Location
Beam time-responses (a) first beam; (b) second beam; (c) third beam; (d) fourth beam top sub-plot: optimal eigenvector assignment, sequential approach; second sub-plot: traditional assignment method, shaping parameters μ=6, 3σ=2; third sub-plot: traditional assignment method, shaping parameters μ=8, 3σ=4; bottom sub-plot: optimal eigenvector assignment, concurrent approach
Grahic Jump Location
Energy level comparison (logarithm scale)
Grahic Jump Location
Shaping function for used traditional eigenstructure assignment, μ=6, 3σ=2
Grahic Jump Location
Illustrative system consisting of mechanical structure, piezoelectric shunt circuits, and active control voltage inputs. The disturbance acts on the 8-th beam, and the vibration of the first four beams needs to be suppressed.




Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In