Experimental assessment of negative impedance shunts for vibration suppression on a beam

Benjamin S. Beck; Kenneth A. Cunefare; Manuel Collet

doi:10.1117/12.775881

18 April 2008 Experimental assessment of negative impedance shunts for vibration suppression on a beam

Benjamin S. Beck, Kenneth A. Cunefare, Manuel Collet

Proceedings Volume 6928, Active and Passive Smart Structures and Integrated Systems 2008; 69281X (2008) https://doi.org/10.1117/12.775881
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2008, San Diego, California, United States

Abstract

Negative impedance shunts have been used with piezoelectric materials for the purposes of vibration suppression. Details of the shunt design may be determined using different performance objectives such as maximum dissipation or minimization of reactive input power. Experimentally optimized shunts are applied to a composite piezoelectric aluminum beam subjected to a broadband disturbance. Performance measures of interest include an overall power balance for the system, as well as tip vibration suppression and spatial average vibration suppression. The resulting measures are compared to the wave-tuning and reactive power input tuning suppression theories.

Citation Download Citation

Benjamin S. Beck, Kenneth A. Cunefare, and Manuel Collet "Experimental assessment of negative impedance shunts for vibration suppression on a beam", Proc. SPIE 6928, Active and Passive Smart Structures and Integrated Systems 2008, 69281X (18 April 2008); https://doi.org/10.1117/12.775881

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