5 August 2003 A broadband vibration control using passive circuits
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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.
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Gregory N. Washington, Matt Detrick, 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); doi: 10.1117/12.483488; https://doi.org/10.1117/12.483488
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KEYWORDS
Capacitors

Vibration control

Capacitance

Resistance

Finite element methods

Microcontrollers

Resistors

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