Patent ID: 11906008
Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 7:
8. A brake pad state estimation method that estimates a brake pad state including at least one of a wear volume and a temperature of a brake pad of a vehicle,
the brake pad state estimation method comprising:
an information acquisition process acquiring sensor detection information that includes a vehicle speed detected by a wheel speed sensor installed on the vehicle and a brake pressure detected by a brake pressure sensor installed on the vehicle;
a brake pad state calculation process calculating the brake pad state based on the sensor detection information during braking of the vehicle;
an information output process storing a result of calculation of the brake pad state in a storage and/or transmitting the result of calculation of the brake pad state to an outside of the vehicle; and
processing frequency control that variably sets a processing frequency of at least one of the brake pad state calculation process and the information output process, wherein
in the processing frequency control, the processing frequency in a case where the vehicle speed is lower is set to be lower than the processing frequency in a case where the vehicle speed is higher, or the processing frequency in a case where the brake pressure is lower is set to be lower than the processing frequency in a case where the brake pressure is higher.