Active vibration control system for aircraft

Details Active vibration control system for aircraft Active vibration control system for aircraft

G - Physics

10

K

G10K 11/178 (2006.01) B64C 1/40 (2006.01)

Patent

CA 2195401

An active noise and vibration reduction system for canceling noise in aircraft or other passenger carrying transportation systems (10) which utilizes a series of seat mounted microphones (6) and trim mounted speakers (4) in conjunction with a digital controller (15) with a class-D stage power amplifier (5) and which is synched to the aircraft alternator (16).

L'invention se rapporte à un système de réduction de vibrations et de bruits actifs utilisé pour supprimer le bruit dans un aéronef ou autres moyens de transport (10) de passagers. Ce système comporte une série de microphones (6) fixés aux sièges et une série de haut-parleurs (4) fixés à la garniture intérieure de l'aéronef coopérant avec un régisseur numérique (15) et un amplificateur à étage de classe D (5) synchrone avec l'alternateur (16) de l'aéronef.

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