Interaction of structure vibration and piezoelectric actuation

S. M. Yang, Y. J. Lee

研究成果: Article同行評審

42 引文 斯高帕斯(Scopus)

摘要

A stepped beam model is developed to predict analytically the natural frequencies and mode shapes at different piezoelectric sensor/actuator locations. The modal solution obtained by including the inertia and stiffness of the surface-bonded piezoelectric materials is applied to investigate the interaction of structure vibration and piezoelectric actuation under closed circuit condition. It is shown that a generalized stiffness from electromechanical coupling is induced by the interaction. The generalized stiffness is a function of structure mode shapes and piezoelectric sensor/actuator locations, thus either softening or stiffening system stiffness is achievable in closed circuit condition. All analytical predictions are validated by modal testing.

原文English
文章編號012
頁(從 - 到)494-500
頁數7
期刊Smart Materials and Structures
3
發行號4
DOIs
出版狀態Published - 1994 12月 1

All Science Journal Classification (ASJC) codes

  • 訊號處理
  • 土木與結構工程
  • 原子與分子物理與光學
  • 材料科學(全部)
  • 凝聚態物理學
  • 材料力學
  • 電氣與電子工程

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