A vehicular apparatus for active noise control may include: a sensing unit configured to sense information characterizing at least one of an environment inside of a vehicle and an environment outside of the vehicle; and a controller configured extract road roughness information characterizing road roughness from the sensed information, to calculate a convergence coefficient based on the road roughness information, to generate a control signal by applying the convergence coefficient to a control filter coefficient, and to perform active noise control using the control signal.
Vehicular apparatus and method for active noise control, and vehicle including vehicular apparatus
2021-03-30
Patent
Electronic Resource
English
IPC: | G10K Tonerzeugungsvorrichtungen , SOUND-PRODUCING DEVICES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen |
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