ACTUATOR 2014 Manuscript A3.5

Author: Hubert Borgmann
Pages: 8
Language: English
Publication date: 08/04/2015
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Manuscript A3.5 published in Conference Proceedings ACTUATOR 2014
An Acoustic Hybrid Actuator Based on Inertial Proof Mass Devices

F. Braghin, S. Cinquemani, F. Resta
Politecnico di Milano, Milano, Italy

The paper deals with the design of a device for sound reproduction to be fixed to a supporting surface. The device is made up of two different types of acoustic actuators based on different technologies. This allows to reproduce sound in the range of frequencies from 20Hz to 20kHz. The generation of sound at high frequencies is demanded to a magnetostrictive actuator, while a more traditional magnetodynamics actuator is used to generate sound at low frequencies. The coupling between these two actuators leads to a device having small overall dimensions and high performance.
El vendedor asume toda la responsabilidad de esta entrada.
Hubert Borgmann, MESSE BREMEN,
Project Manager ACTUATOR, International Conference and Exhibition on New Actuators and Drive Systems, Bremen, Germany, and Editor of the ACTUATOR Conference Proceedings (
Project Manager ITHEC, International Conference and Exhibition on Thermoplastic Composites, Bremen, Germany, and Editor of the ITHEC Conference Proceedings (

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