Importance

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Abstract

An electromechanical brake system includes: a pair of pad plates to which a brake pad is attached, respectively, to press a disc that rotates with a wheel; a carrier on which the pair of pad plates are installed; a caliper housing slidably installed on the carrier; a piston movably installed in forward and backward direction inside the caliper housing; a power transfer part configured to press the pair of pad plates onto the disc by moving the piston; a brake actuator including a drive motor configured to provide a rotational force of the drive motor to the piston, and a reduction gear part configured to decelerate the rotational force of the drive motor and transmit the decelerated rotational force to the power transfer part; a parking actuator connected to the brake actuator to maintain a parking braking state of a vehicle; a force sensor configured to detect a clamping force due to a contact between the disc and the brake pad; and a controller configured to control the brake actuator and the parking actuator, wherein the controller is configured to control the parking actuator based on the clamping force detected through the force sensor.

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First Claim