Shock and Vibration

Shock and Vibration / 2010 / Article
Special Issue

International Conference on Structural Engineering Dynamics – ICEDyn 2009

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Volume 17 |Article ID 860856 |

Y. Halevi, I. Peled, "Absolute Vibration Suppression (AVS) Control – Modeling, Implementation and Robustness", Shock and Vibration, vol. 17, Article ID 860856, 9 pages, 2010.

Absolute Vibration Suppression (AVS) Control – Modeling, Implementation and Robustness

Received17 Jun 2010
Accepted17 Jun 2010


Absolute Vibration Suppression (AVS) is a control method for flexible structures governed by the wave equation. Such system may be a rotating shaft, a rod in tension or a crane for which the cable mass is not negligible. First an accurate, infinite dimension, transfer function, relating arbitrary actuation and measurement points, with general boundary conditions, is derived. The transfer function consists of time delays, due to the wave motion, and low order rational terms, which correspond to the reflection from the boundary. Thus the compact mathematical representation has a clear physical interpretation. Furthermore, it leads to the special structure of the AVS controller which is a collocated, rate to force feedback that completely eliminates the vibration. The paper investigates the properties of the AVS controller and its robustness to modeling errors, in particular small non-collocation.

Copyright © 2010 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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