Mask apparatus and method for controlling the same

A mask apparatus comprising:

• a mask body configured to mount a fan module;
• a seal coupled to a rear surface of the mask body, the seal being configured to define a breathing space therein;
• a pressure sensor coupled to the mask body and configured to sense air pressure in the breathing space;
• a mask body cover that is coupled to a front surface of the mask body and covers the fan module;
• and
• a controller coupled to the mask body and configured to control a rotation speed of the fan module based on pressure values measured by the pressure sensor,
• wherein the controller is configured to:
• determine breathing information comprising a maximum pressure value and a minimum pressure value among the pressure values, a maximum time point corresponding to the maximum pressure value, and a minimum time point corresponding to the minimum pressure value,
• determine a breathing state of a user based on the breathing information,
• determine whether the breathing state is a steady state,
• determine a tidal volume of the user based on the breathing information, wherein the tidal volume represents a volume of air that the user breathes in and out in the steady state, and
• control the rotation speed of the fan module based on the tidal volume.