METHOD FOR CONTROLLING ELECTRIC POWER OF HEATER OF AEROSOL GENERATOR, AND AEROSOL GENERATOR

An embodiment of the present invention discloses an aerosol-generating device, the device including a heater for heating an aerosol-generating substrate, and a controller for controlling power supplied to the heater through a proportional integral differential (PID) method, based on an integral control weight determined according to an initial temperature of the heater.