A broadband vibration control using passive circuits

Gregory N. Washington; Matt Detrick; Seung-Keon Kwak

doi:10.1117/12.483488

5 August 2003 A broadband vibration control using passive circuits

Gregory N. Washington, Matt Detrick, Seung-Keon Kwak

Proceedings Volume 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems; (2003) https://doi.org/10.1117/12.483488
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

In this research a broadband passive vibration control technique using a semi-active circuit is presented. A digitally tunable RL shunt circuit and a semi-active mode identifier are developed using 8-bit CMOS microcontrollers to control multiple vibratory modes in a mechanical system. In order to increase the adaptability of the controller, the effects of additional capacitors in the circuit are investigated. The governing equations for the coupled electro-mechanical system are introduced using Hamilton’s Principle and finite element analysis. The system is verified experimentally using and the simulation and experimental results are provided in multiple formats.

Citation Download Citation

Gregory N. Washington, Matt Detrick, and Seung-Keon Kwak "A broadband vibration control using passive circuits", Proc. SPIE 5056, Smart Structures and Materials 2003: Smart Structures and Integrated Systems, (5 August 2003); https://doi.org/10.1117/12.483488

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