Method and device for operating an electric motor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G05B-005/00
H02P-029/00
G10K-011/178
H02P-007/29
출원번호
US-0513748
(2010-12-02)
등록번호
US-9048772
(2015-06-02)
우선권정보
DE-10 2009 056 784 (2009-12-03)
국제출원번호
PCT/EP2010/068743
(2010-12-02)
§371/§102 date
20120814
(20120814)
국제공개번호
WO2011/067337
(2011-06-09)
발명자
/ 주소
Keβler, Erwin
Schulter, Wolfgang
출원인 / 주소
CONTI TEMIC MICROELECTRONIC GMBH
대리인 / 주소
King & Spalding L.L.P.
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
A method for operating an electric motor is provided, wherein a motor actuating signal is generated and transmitted to the motor. In order to reduce the noise generated by operating the motor, a suitable additional signal is generated and overlaid on the motor actuating signal when the motor actuati
A method for operating an electric motor is provided, wherein a motor actuating signal is generated and transmitted to the motor. In order to reduce the noise generated by operating the motor, a suitable additional signal is generated and overlaid on the motor actuating signal when the motor actuating signal is transmitted to the motor.
대표청구항▼
1. A method of operating an electric motor, comprising: generating and transferring a motor drive signal to the motor or to a motor driver;operating the motor based on the motor drive signal, wherein the motor operation generates a vibration having a frequency spectra defining a plurality of vibrati
1. A method of operating an electric motor, comprising: generating and transferring a motor drive signal to the motor or to a motor driver;operating the motor based on the motor drive signal, wherein the motor operation generates a vibration having a frequency spectra defining a plurality of vibration amplitude spikes at a plurality of discrete frequencies,providing a controlled compensation of interference noise generated by the motor by: generating an auxiliary signal for antinoise, the auxiliary signal including a plurality of amplitude spikes at a plurality of discrete, separated frequencies, each corresponding to the frequency of a respective one of the plurality of vibration amplitude spikes; andsuperimposing the auxiliary signal for antinoise on the motor drive signal during the transfer of the motor drive signal to the motor or to the motor driver. 2. The method of claim 1, whereby the auxiliary signal is generated using a sound signal detected by means of a sound sensor. 3. The method of claim 1, wherein the auxiliary signal is generated using a vibration signal detected by means of a vibration sensor. 4. The method of claim 1, wherein the auxiliary signal is generated using at least one of the motor drive signal and a signal correlated with it. 5. The method of claim 4, comprising varying the manner of using the motor drive signal or the signal correlated with it during the generation of the auxiliary signal based on at least one motor operating parameter. 6. The method of claim 1, wherein the motor is a DC motor. 7. The method of claim 1, comprising transferring the motor drive signal to a PWM motor driver, which generates a PWM voltage to be transferred to the motor based on the motor drive signal. 8. The method of claim 1, comprising generating the auxiliary antinoise signal without the use of a sound or vibration sensing device. 9. The method of claim 1, wherein the plurality of amplitude spikes in the auxiliary antinoise signal comprises a subset of the plurality of vibration amplitude spikes. 10. An apparatus for operating an electric motor, comprising: a drive device configured to generate a motor drive signal and a drive path for transferring the motor drive signal to an electric motor or to a motor driver, such that the motor is operated based on the motor drive signal, wherein the motor operation generates a vibration having a frequency spectra defining a plurality of vibration amplitude spikes at a plurality of discrete frequencies,a controller configured to generate an auxiliary signal including a plurality of amplitude spikes at a plurality of discrete, separated frequencies, each corresponding to the frequency of a respective one of the plurality of vibration amplitude spikes, anda superimposition device arranged in the drive path and configured to superimpose the auxiliary antinoise signal onto the motor drive signal. 11. The apparatus of claim 10, further comprising a sensor configured to detect a sound signal, wherein the controller generates the auxiliary antinoise signal based on the detected sound signal. 12. The apparatus of claim 10, further comprising a vibration sensor configured to detect a vibration signal, wherein the controller generates the auxiliary antinoise signal based on the detected vibration signal. 13. The apparatus of claim 10, wherein the auxiliary antinoise signal is generated using at least one of the motor drive signal and a signal correlated with it. 14. The apparatus of claim 13, wherein the manner of using the motor drive signal or the signal correlated with it during the generation of the auxiliary antinoise signal is varied depending on at least one motor operating parameter. 15. The apparatus of claim 10, wherein the motor is a DC motor. 16. The apparatus of claim 10, further comprising a PWM motor driver configured to receive the motor drive signal and generates from the motor drive signal a PWM voltage to be transferred to the motor. 17. The apparatus of claim 10, wherein the auxiliary antinoise signal is generated without the use of a sound or vibration sensing device. 18. An adjustment arrangement for a vehicle, comprising: an automatically operable vehicle component;an electric motor that interacts mechanically with the vehicle component; andan apparatus for driving the electric motor and comprising: a drive device configured to generate a motor drive signal and a drive path for transferring the motor drive signal to an electric motor or to a motor driver, such that the motor is operated based on the motor drive signal, wherein the motor operation generates a vibration having a frequency spectra defining a plurality of vibration amplitude spikes at a plurality of discrete frequencies,a controller configured to generate an auxiliary signal including a plurality of amplitude spikes at a plurality of discrete, separated frequencies, each corresponding to the frequency of a respective one of the plurality of vibration amplitude spikes, anda superimposition device arranged in the drive path and configured to superimpose the auxiliary signal onto the motor drive signal.
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이 특허에 인용된 특허 (4)
Drzewiecki Tadeusz M. (Rockville MD) Niemczuk John B. (Kensington MD) Fuller Christopher R. (Norfolk VA) Thomas Russell H. (Hampton VA) Burdisso Ricardo A. (Blacksburg VA), Acousto-fluidic driver for active control of turbofan engine noise.
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