Patent ID: 8215721

Claim:
A parking brake control device for executing a parking brake control by using a brake system including an electric parking brake and a service brake, the electric parking brake generating a parking pressing force for moving a first friction material toward a second friction material by rotating an electric motor in a first direction, the electric parking brake accordingly generating a brake force by using friction between the first friction material and the second friction material, the service brake operating based on operation to a brake pedal and generating a brake force by moving the first friction material to the second friction material, the parking brake control device comprising: a lock control section for executing a lock control, the lock control being for: generating the brake force by rotating the electric motor in the first direction and by accordingly generating the parking pressing force; after the generating of the brake force by rotating the electric motor in the first direction, stopping the rotation of the motor when a termination condition is satisfied wherein the termination condition is that the parking pressing force reaches a target value for stopping the rotation of the motor; and maintaining, after the stopping, the brake force to keep the electric parking brake locked; and a release control section for executing a release control for releasing the brake force generated by the lock control section, wherein the lock control section includes a target determination section for determining the target value so that the target value becomes smaller in the case that the service brake is operating than in the case that the service brake is not operating.