Experimental investigation of composite beams with piezoelectric actuation and debonding

Charles E. Seeley, Aditi Chattopadhyay

Research output: Contribution to journalArticle

51 Citations (Scopus)

Abstract

Piezoelectric transducers can be used as sensors and actuators for vibration reduction in composite structures Debonding at the transducer-laminate interface results in significant changes to the dynamic response and control authority. This important issue is studied in the current work. Composite specimens with surface bonded piezoelectric transducers were constructed with varying stacking sequences and debonding lengths. Closed loop control was implemented using an analog circuit. Experimental results were obtained for both open and closed loop frequencies and damping ratios. The results correlate well with a newly developed higher order based theory for modeling composites with debonded piezoelectric transducers. Significant changes are observed in the open and closed loop frequencies and damping ratios as a result of debonding.

Original languageEnglish (US)
Pages (from-to)502-511
Number of pages10
JournalSmart Materials and Structures
Volume7
Issue number4
DOIs
StatePublished - Aug 1998

Fingerprint

Piezoelectric transducers
piezoelectric transducers
Debonding
actuation
composite materials
Composite materials
Damping
damping
dynamic control
analog circuits
Analog circuits
composite structures
Composite structures
dynamic response
laminates
Laminates
Dynamic response
Transducers
transducers
Actuators

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Experimental investigation of composite beams with piezoelectric actuation and debonding. / Seeley, Charles E.; Chattopadhyay, Aditi.

In: Smart Materials and Structures, Vol. 7, No. 4, 08.1998, p. 502-511.

Research output: Contribution to journalArticle

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