Community Research and Development Information Service - CORDIS


NOISELESS Report Summary

Project ID: G1RD-CT-2002-00784
Funded under: FP5-GROWTH
Country: France

High power amplifier for piezo dampers

A new high power linear amplifier has been developed for piezoelectric dampers. The new technology used in the prototype permits to multiply by 10 the available electrical power of standard power supplies available on the market and dedicated to piezoelectric actuators and dampers. The direct consequence is a larger bandwidth for the active vibration and noise control of structures. The second one is the possibility to supply larger piezoelectric actuators or several actuators in parallel. Know-how and the technology are now available at Cedrat Technologies for the industrialisation of a new product, which will permit to access to a new market. It will also directly increase the sell of standard piezoelectric actuators.

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