US 12,403,891 B2
Method and apparatus for controlling inverter of eco-friendly vehicle based on baby mode
Sung Il Jung, Busan (KR); and Hui Un Son, Suwon-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Dec. 5, 2022, as Appl. No. 18/074,980.
Claims priority of application No. 10-2022-0002544 (KR), filed on Jan. 7, 2022.
Prior Publication US 2023/0219559 A1, Jul. 13, 2023
Int. Cl. B60W 20/17 (2016.01); G10K 15/02 (2006.01)
CPC B60W 20/17 (2016.01) [G10K 15/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method comprising:
determining, by an apparatus, a noise frequency associated with an inverter of a vehicle;
determining that the noise frequency does not satisfy a target noise frequency; and
changing, based on a motor rotation frequency, a switching frequency of the inverter to generate a noise satisfying the target noise frequency, wherein the changing of the switching frequency of the inverter comprises changing, at a rate settable by a user, the switching frequency of the inverter.