1. A method for automatically determining a mass of a door system driven by a motor and having a door, comprising: accomplishing a speed change during an acceleration movement of the door system; integrating a force variable that influences a drive force of the motor during the acceleration movement; determining the mass of the door system via an integral of the force variable, wherein an integration of the force variable is performed over a plurality of operating system cycles of a control device assigned to the door system, and wherein the plurality of operating system cycles comprises at least one cycle during normal operation of the door system.