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Optimal acoustic error sensing for global active control in a harmonically excited enclosure

Author
Romeu, J.; Balastegui, A.; Pàmies, T.; Arcos, R.
Type of activity
Journal article
Journal
Acoustical physics
Date of publication
2014-01-01
Volume
60
Number
1
First page
77
Last page
85
DOI
https://doi.org/10.1134/S1063771014010114 Open in new window
Project funding
CONTROL ACTIVO DE TRANSMISION DE RUIDO A TRAVES DE APERTURAS
Abstract
The performance of an active control system in global control of enclosed sound fields depends largely on the localization of the error sensors, among other factors. In this paper a modified cost function is proposed in order to guarantee the maximum attenuation that can be produced by a set of secondary sources in the case of an harmonically excited sound field. The cost function is modified in order to drive the error signal to the value corresponding to the optimally attenuated sound field, i...
Keywords
active control, attenuation, cavity, enclosure, error, fields, global, implementation, induced cabin noise, noise-control system, optimization, placement, reduction, sound-transmission, vibration control
Group of research
LEAM - Acoustic and Mechanical Engineering Laboratory

Participants