Forschungs- & Entwicklungsinformationsdienst der Gemeinschaft - CORDIS


NOISELESS Berichtzusammenfassung

Project ID: G1RD-CT-2002-00784
Gefördert unter: FP5-GROWTH
Land: Belgium

Active devices to attenuate structure born noise with active damping strategy

The stand-alone active damping device (ADD) has been designed to introduce significant damping in all observable structural modes from 20Hz to 2kHz.

The device consists of:
- A sealed electro-mechanical actuator to be attached to the structure to be damped. The actuator also includes a vibration sensor and its conditioning electronics.

- A remote electronic box, including the actuator power electronics and the controller, as well as performance monitoring interfaces.

In-situ integration is simple; up to 15% damping has been achieved on industrial production machines on first attempt without preliminary knowledge of the machine dynamics.

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