A method of reducing a noise level within a compartment of a railway vehicle affected by noise-producing equipment items is provided. The method includes: providing a sound database which relates operational states of the vehicle to respective noise signatures produced by the equipment items; determining the present operational state of the railway vehicle; selecting one or more noise signatures from the database corresponding to the present operational state; creating a noise cancellation signal from the selected noise signatures; and transmitting the noise cancellation signal into the compartment to reduce the noise level within the compartment.
RAILWAY VEHICLE NOISE LEVEL REDUCTION
SCHIENENFAHRZEUGGERÄUSCHPEGELMINDERUNG
RÉDUCTION DU NIVEAU DE BRUIT D'UN VÉHICULE FERROVIAIRE
2024-05-29
Patent
Electronic Resource
English
Noise reduction control method, air conditioning unit, railway vehicle and noise reduction device
European Patent Office | 2021
|