公开(公告)号：EP4016039A1

公开(公告)日：2022-06-22

申请号：EP21195709.7

申请日：2021-09-09

申请人： HYUNDAI MOTOR COMPANY ,  Kia Corporation

发明人： LEE, Hong-Wook ,  JEON, Byng-Mo ,  MUN, Sang-Hyuk ,  YOON, Hyung-Mook ,  PARK, Young-Joon ,  PARK, Jun-Ho ,  BAEK, Sung-Nam ,  KIM, Pan-Sang ,  SON, Je-Ha

IPC分类号： G01M15/12 ,  G01L23/22 ,  G01M13/04

摘要： A method for sensing damage to a bearing of an engine using a vibration signal may sense the damage to the bearing even without a sensor for directly sensing the damage to the bearing using a frequency signal input to a knocking sensor from the engine for each traveling state (acceleration traveling, cruise traveling, deceleration traveling) of a vehicle.