Patent ID: 9592798
Date: 2017-03-14
CPC Classifications: B60T

Claim:
1. A brake system comprising: a main brake applying braking force to a wheel of a vehicle when the vehicle travels; a parking brake applying braking force to the wheel of the vehicle when the vehicle is parked; and a parking brake controller configured to operate the main brake when the parked vehicle is sensed to move above a predetermined reference value and stop the operation of the main brake after increasing locking force of the parking brake when the movement of the vehicle is stopped according to the operation of the main brake, wherein the parking brake controller is configured to determine an inclination of the parked vehicle; warn, when the inclination exceeds a predetermined reference value, a driver about the same; and receive an instruction to stop the operation of the main brake from a driver or stopping the operation of the main brake after elapse of a predetermined reference time after the warning.