Patent ID: 11967912
Assignee: HITACHI ASTEMO, LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC B  H  F | IPC B  F  H

Claim 8:
9. An electric brake device comprising:
a motor;
a piston that presses a brake pad against a disc rotor;
a rotation/linear motion conversion mechanism that converts a rotational motion output of the motor into a linear motion to propel the piston; and
an electronic control unit (ECU) configured to:
estimate disturbance by using a torque command input to the motor and a feedback value of the motor,
estimate delay estimation unit estimate a delay by using the torque command, the feedback value of the motor, and disturbance torque, and
control rotation of the motor based at least in part on the torque command.