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A drive device for an adjusting device for adjusting a vehicle component of a vehicle includes an electronically commutated motor and an electronic control device which actuates the electronically commutated motor with an actuating voltage. The electronic control device can adapt the signal form of

A drive device for an adjusting device for adjusting a vehicle component of a vehicle includes an electronically commutated motor and an electronic control device which actuates the electronically commutated motor with an actuating voltage. The electronic control device can adapt the signal form of the actuating voltage on the basis of at least one operating parameter in order to optimize the power output, the acoustics, the electromagnetic irradiation and/or the heating of the drive device.

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1. A drive device for an adjusting device for adjusting a vehicle component of a vehicle, the drive device comprising an electronically commutated motor and an electronic control device which actuates the electronically commutated motor with an actuating voltage, wherein the electronic control devic

1. A drive device for an adjusting device for adjusting a vehicle component of a vehicle, the drive device comprising an electronically commutated motor and an electronic control device which actuates the electronically commutated motor with an actuating voltage, wherein the electronic control device is configured to adapt a signal form of the actuating voltage on the basis of at least one operating parameter in order to optimize at least one of power output, acoustics, electromagnetic irradiation and heating of the drive device, the electronic control device comprising a microcomputer which selects the signal form of the actuating voltage on the basis of the at least one operating parameter from a number of predefined signal forms which are stored in a memory medium of the electronic control unit, wherein the signal form is a basic form of a signal of the actuating voltage and different signal forms, which are respectively assigned to an operating state of the drive device, are stored in the memory medium, wherein the electronic control device is configured to adapt the signal form of the actuating voltage selectively to at least one of an approximately sinusoidal signal form or to an approximately square-wave signal form each stored in the memory medium, so that the signal form of the actuating voltage may be selected on the basis of the at least one operating parameter from at least one approximately sinusoidal and at least one approximately square-wave signal form, respectively, stored in the memory medium, and wherein the microcomputer determines a signal form of the actuating voltage during an operation of the drive device on the basis of the at least one operating parameter such that at least one of the power output, the acoustics, the electromagnetic irradiation and the heating of the drive device is optimized, and stores the determined signal form in the memory medium so that the determined signal form may be later selected for adapting the signal form of the actuating voltage. 2. The drive device of claim 1, wherein the at least one operating parameter is formed by at least one of a current taken up by the electronically commutated motor, power taken up by the electronically commutated motor, number of activations of the drive device, activation behavior of the drive device, adjustment speed of the drive device, position of the vehicle component to be adjusted by the drive device, external temperature, electromagnetic irradiation of the drive device, operating temperature of the drive device, volume of the drive device, voltage of an on-board electric supply system of the vehicle, movement state of the vehicle and velocity of the vehicle. 3. The drive device of claim 1, wherein the electronic control device is configured to interact with at least one sensor for sensing the at least one operating parameter. 4. The drive device of claim 1, wherein the signal form of the actuating voltage is configured to be freely synthesized in order to optimize at least one of the power output, the acoustics, the electromagnetic irradiation and the heating of the drive device. 5. The drive device of claim 1, wherein the electronic control device is configured to vary and adjust the signal form of the actuating voltage on the basis of the at least one operating parameter in order to optimize the power output, the acoustics, the electromagnetic irradiation and the heating of the drive device during operation of the drive device. 6. The method of claim 1, wherein the signal form of the actuating voltage is determined on the basis of the at least one operating parameter with iterative optimization. 7. The method of claim 6, wherein the signal form of the actuating voltage determined during an operation of the drive device is optimized on the basis of the at least one operating parameter by means of an iterative optimization in order to achieve an optimum signal form for an operating state which is optimized in terms of at least one of the power output, the acoustics, the electromagnetic irradiation and the heating of the drive device. 8. A method for operating a drive device for an adjusting device of a vehicle, the drive device having an electronically commutated motor and an electronic control device which actuates the electronically commutated motor with an actuating voltage, the method comprising adapting a signal form of the actuating voltage on the basis of at least one operating parameter in order to optimize at least one of power output, acoustics, electromagnetic irradiation and heating of the drive device, wherein the signal form is a basic form of a signal of the actuating voltage and wherein a number of predefined different signal forms, which are respectively assigned to an operating state of the drive device, are stored in a memory medium, wherein the signal form of the actuating voltage is selectively adapted to at least one of an approximately sinusoidal signal form or an approximately square-wave signal form each stored in the memory medium, so that the signal form of the actuating voltage may be selected on the basis of the at least one operating parameter from at least one approximately sinusoidal and at least one approximately square-wave signal form, respectively, stored in the memory medium, the method further comprising determining a signal form of the actuating voltage during an operation of the drive device on the basis of the at least one operating parameter such that at least one of the power output, the acoustics, the electromagnetic irradiation and the heating of the drive device is optimized, and storing the determined signal form in the memory medium so that the determined signal form may be later selected for adapting the signal form of the actuating voltage. 9. The method of claim 8, wherein, in a normal operating mode at a small number of activations of the drive device, the signal form is selected in such a way that the acoustics and the electromagnetic irradiation of the drive device are optimized. 10. The method of claim 8, wherein, in a load mode when there is frequent activation of the drive device, the signal form is selected in such a way that an operating temperature of the drive device is limited. 11. The method of claim 8, wherein, when a voltage of an on-board electric supply system of the vehicle is low, the power output of the drive device is optimized. 12. The method of claim 8, wherein for the purpose of optimization of the acoustics, an approximately sinusoidal signal form is used for the actuating voltage. 13. The method of claim 8, wherein for the purpose of optimization of the power output of the drive device, an approximately square-wave signal form is used for the actuating voltage. 14. The method of claim 8, further comprising learning and storing movement processes of a vehicle component to be adjusted by the drive device on the basis of at least one operating parameter.