压电薄板的建模和阻尼的准独立模态控制

ACTA AERONAUTICAET ASTRONAUTICA SINICA ›› 2000, Vol. 21 ›› Issue (2): 159-163.

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MODELING OF PIEZOELECTRIC THIN PLATES AND QUASI INDEPENDENT MODAL CONTROL FOR DAMPING

YAO Jun, LI Yue-feng, LIU Juan

Vibration Engin. Research Inst., Nanjing Univ. of Aero. and Astro., Nanjing 210016, China

Received:1998-11-05 Revised:1999-11-20 Online:2000-04-25 Published:2000-04-25

Abstract

Abstract:

A transfer function model of piezoelectric thin plates is derived and an analogy for modal control between the piezoelectric structures and general ones is established. Based on this concept and by experiment development, a "quasi independent modal control" technique is presented, attempting to approach, with hardware as simple as possible, independent modal control. The experiment progress and results for multiple modal damping control show its effectiveness and practicality.

Key words: fatigue test, equivalent load, fatigue life

YAO Jun;LI Yue-feng;LIU Juan. MODELING OF PIEZOELECTRIC THIN PLATES AND QUASI INDEPENDENT MODAL CONTROL FOR DAMPING[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2000, 21(2): 159-163.

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MODELING OF PIEZOELECTRIC THIN PLATES AND QUASI INDEPENDENT MODAL CONTROL FOR DAMPING

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