Method and apparatus for controlling electric hydraulic brake

An electric hydraulic brake system comprising:

• a reservoir configured to store a brake fluid;
• a wheel brake system configured to provide a hydraulic pressure to a plurality of vehicle wheels to generate a braking force;
• a main braking system disposed between the reservoir and the wheel brake system and configured to deliver the brake fluid discharged from the reservoir to the wheel brake system;
• and
• an auxiliary braking system disposed between the main braking system and the wheel brake system and configured to supply the brake fluid to the wheel brake system when a failure occurs to the main braking system,
• wherein the auxiliary braking system comprises:
• first and second hydraulic pressure inputs configured to receive the brake fluid from a plurality of booster valves positioned in the main braking system;
• a third hydraulic pressure input separated from the first and second hydraulic pressure inputs and configured to receive the brake fluid from the main braking system without passing through the plurality of booster valves;
• first and second inlet lines configured to transfer a hydraulic pressure between the main braking system and the wheel brake system;
• a first traction control valve connected to the first inlet line and configured to control opening and closing of the first inlet line;
• a second traction control valve connected to the second inlet line and configured to control opening and closing of the second inlet line;
• and
• a split line configured to receive the brake fluid delivered from the third hydraulic pressure input and supply the brake fluid to the wheel brake system without passing through the first and second traction control values.