Patent ID: 11867587
Assignee: KIA MOTORS CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  B | IPC B  G

Claim 12:
13. A method for vibration inspection of a vehicle for inspecting a quality of the vehicle assembled in a vehicle factory's in-line, the method comprising:
a) determining, by a controller, a type and a specification of the vehicle according to a vehicle ID recognized through a vehicle recognizer upon concluding that the vehicle enters an inspection table;
b) controlling, by the controller, at least a sensor detachable robot having a multi-joint structure to attach at least a vibration sensor for each of parts of the vehicle set according to the type and the specification of the vehicle;
c) controlling, by the controller, a robot having a multi-joint structure to make a vibrator be in contact with the vehicle and configured of vibrating the vibrator for the vibration inspection of the vehicle;
d) analyzing, by the controller connected to the at least a vibration sensor, a vibration signal received from the at least a vibration sensor and determining the vehicle to be in inspection pass when the vibration signal matches a normal signal set according to a natural vibration frequency characteristic of each of the parts of the vehicle, and determining the vehicle to be in inspection fail when the vibration signal does not match the normal signal; and
after the step d), e) detecting an abnormal part among the set parts through a predetermined communication channel in which an abnormal signal is received and displaying a diagnosis on a display unit according to a diagnosis data learned by deep learning in advance, wherein the diagnosis is performed for the abnormal part and a cause of an abnormality of the abnormal part based on the diagnosis data.