Brake control method for hybrid electric vehicle

A brake control method for a hybrid electric vehicle including a control mode of a first interval to control regenerative brake of a motor with regenerative brake torque corresponding to a pressure value determined from a ‘pedal stroke Vs pressure’ map based on a pedal stroke depending on an operation of a brake pedal and a control mode of a second interval to control hydraulic pressure of a wheel brake with a wheel brake pressure value determined from a ‘pedal stroke Vs wheel brake pressure’ map based on a detected pedal stroke when the pedal stroke more than an upper threshold stroke value set in the ‘pedal stroke Vs pressure’ map is detected, the method comprising:

• sensing, by an Electronic Stability Control system controller (ESC ECU), a time when a wheel brake pressure detected by a pressure sensor of the wheel brake is ‘0’ after entering the control mode of the second interval;
• determining, by the ESC ECU, the pedal stroke in which the wheel brake pressure is ‘0’ from the ‘pedal stroke Vs wheel brake pressure’ map;
• changing and setting, by the ESC ECU, the pedal stroke in which the wheel brake pressure is ‘0’ to the upper threshold stroke value of the ‘pedal stroke Vs pressure’ map;
• and
• re-entering the control mode of the first interval, by the ESC ECU, when the pedal stroke depending on the brake pedal operation decreases to the changed upper threshold stroke value or less.