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Proceedings Paper

Multidimensional digital control system for mechanical damping of suspended mass
Author(s): Fausto Acernese; Fernando Ammendola; Fabrizio Barone; Rosario De Rosa; Antonio Eleuteri; Leopoldo Milano; Iolanda Ricciardi; Ketevan Qipiani; Guido Russo
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Paper Abstract

In this paper we describe the architecture and the performances of a digital control system designed to damp the mechanical motion of a suspended mass. The position of the mass with respect to fixed reference points is acquired in real-time using classical optical levers, while the actuation is obtained through standard coil-magnet actuators. The number and the position of these devices allows the control of all the degrees of freedom of the mass. The algorithm developed to generate the control signals from the computed mass position error signals is based both on classical linear and non linear filtering techniques. The latter are necessary to manage the control of the mechanical system mainly in the first phase of control, when generally the position of the mass is far from the one chosen as reference and, therefore, nonlinearities may play a relevant role in the control.

Paper Details

Date Published: 29 July 2004
PDF: 7 pages
Proc. SPIE 5386, Smart Structures and Materials 2004: Damping and Isolation, (29 July 2004); doi: 10.1117/12.537364
Show Author Affiliations
Fausto Acernese, Univ. degli Studi di Napoli Federico II (Italy)
INFN (Italy)
Fernando Ammendola, Univ. degli Studi di Napoli Federico II (Italy)
Fabrizio Barone, INFN (Italy)
Univ. degli Studi di Salerno (Italy)
Rosario De Rosa, Univ. degli Studi di Napoli Federico II (Italy)
INFN (Italy)
Antonio Eleuteri, Univ. degli Studi di Napoli Federico II (Italy)
Leopoldo Milano, Univ. degli Studi di Napoli Federico II (Italy)
INFN (Italy)
Iolanda Ricciardi, Univ. degli Studi di Napoli Federico II (Italy)
Ketevan Qipiani, INFN (Italy)
Guido Russo, Univ. degli Studi di Napoli Federico II (Italy)
INFN (Italy)


Published in SPIE Proceedings Vol. 5386:
Smart Structures and Materials 2004: Damping and Isolation
Kon-Well Wang, Editor(s)

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