Microcontroller design for active vibration control

Microcontroller design for active vibration control

Antonio Zippo, Francesco Pellicano, Giovanni Iarriccio

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Abstract. Active Vibration Control (AVC) problem is successfully studied considering all the characteristics of a control problem. The controlled system consists of a honeycomb panel of carbon fiber. Expensive devices are in general used for setting up and designing AVC this due to limitations for practical implementation. In our work we point to a low cost and practical solution using a microcontroller that has been verified. The honeycomb plate has been forces with out of plane load using an electrodynamic shaker at resonances that has been identified by experimental modal analysis. Piezoceramic patches are used as sensor and actuator for the control. Multiple analog signal processing circuits were developed to scale and shift the signal at the input and output of the MCU. The Positive Position Feedback (PPF) control algorithm is proposed, and a campaign of tests are carried out with harmonic excitations at resonance frequencies. Experimental results show an amplitude velocity reduction from 50% to 77% less and Power Spectral Density (PSD) attenuation up to 12.8 dB. The size and structural properties of the MFC patches, the control unit and structure under control are suitable for automobile and aerospace applications.

Active Vibration Control, Positive Position Feedback, Experiments

Published online 3/17/2022, 6 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Antonio Zippo, Francesco Pellicano, Giovanni Iarriccio, Microcontroller design for active vibration control, Materials Research Proceedings, Vol. 26, pp 479-484, 2023

DOI: https://doi.org/10.21741/9781644902431-78

The article was published as article 78 of the book Theoretical and Applied Mechanics

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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