US 12,012,039 B2
Apparatus and method for generating sound of electrification vehicle
Ki Chang Kim, Gyeonggi-do (KR); and Dong Chul Park, Gyeonggi-do (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 Sep. 12, 2022, as Appl. No. 17/942,631.
Claims priority of application No. 10-2022-0032312 (KR), filed on Mar. 15, 2022.
Prior Publication US 2023/0294601 A1, Sep. 21, 2023
Int. Cl. B60Q 5/00 (2006.01); B60W 40/101 (2012.01)
CPC B60Q 5/008 (2013.01) [B60W 40/101 (2013.01); B60Y 2306/11 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An apparatus for generating a sound of an electrification vehicle, the apparatus comprising:
a detection device configured to detect state information of a vehicle;
a sound output device configured to play and output a virtual sound; and
a processing device connected with the detection device and the sound output device, wherein the processing device is configured to:
detect a cornering state of the vehicle based on the state information of the vehicle;
analyze a longitudinal force, a lateral force, a tire slip ratio, and a tire slip angle, according to the cornering state, generating analyzed results;
calculate a cornering force based on the analyzed results;
calculate a contact force based on a tire ground surface and road surface profile based on big data;
generate a tire slip sound based on the cornering force and the contact force; and
control the sound output device to play the tire slip sound.