In this paper, a novel semi-active energy rate multi-modal vibration control technique is developed for a piezoceramic actuator coupled to a switching resistor/inductor shunt. The technique works by briefly connecting a resistor/inductor shunt to a piezoceramic actuator in order to apply the necessary signed charge to allow energy dissipation. The switch timing is determined by a control scheme that observes the rate of energy change in controlled modes. The control scheme is developed in the paper, and is simplified to enable practical implementation. This new multi-modal control law is applied to both a simple numerical and an experimental test structure. The results from the numerical and experimental tests show that the energy rate multi-mode control law is able to dissipate energy from one, two and three modes of the flexible structures using a single actuator.
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April 2003
Technical Papers
A Novel Semi-Active Multi-Modal Vibration Control Law for a Piezoceramic Actuator
Lawrence R. Corr,
Lawrence R. Corr
Vibration and Control Laboratory, Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261
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William W. Clark
William W. Clark
Vibration and Control Laboratory, Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261
Search for other works by this author on:
Lawrence R. Corr
Vibration and Control Laboratory, Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261
William W. Clark
Vibration and Control Laboratory, Mechanical Engineering Department, University of Pittsburgh, Pittsburgh, PA 15261
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received May 2001; Revised September 2002. Associate Editor: H. S. Tzou.
J. Vib. Acoust. Apr 2003, 125(2): 214-222 (9 pages)
Published Online: April 1, 2003
Article history
Received:
May 1, 2001
Revised:
September 1, 2002
Online:
April 1, 2003
Citation
Corr , L. R., and Clark, W. W. (April 1, 2003). "A Novel Semi-Active Multi-Modal Vibration Control Law for a Piezoceramic Actuator ." ASME. J. Vib. Acoust. April 2003; 125(2): 214–222. https://doi.org/10.1115/1.1547682
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