Systems and methods for electrical power regulation and distribution in aircraft
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02M-005/293
H02M-005/02
H02M-005/00
H03D-003/24
H03D-003/00
H03D-003/02
출원번호
US-0999626
(2004-11-30)
등록번호
US-7339809
(2008-03-04)
발명자
/ 주소
Bennett,David D.
York,Douglas S.
출원인 / 주소
The Boeing Company
대리인 / 주소
Lee & Hayes, PLLC
인용정보
피인용 횟수 :
2인용 특허 :
31
초록▼
The present invention comprises systems and methods for electrical power regulation and distribution. In an embodiment, a system includes a modulator coupled to the source that receives an unregulated output waveform and is operable to produce a first composite waveform, and a mixing unit that is op
The present invention comprises systems and methods for electrical power regulation and distribution. In an embodiment, a system includes a modulator coupled to the source that receives an unregulated output waveform and is operable to produce a first composite waveform, and a mixing unit that is operable to generate a second composite waveform by introducing a frequency modulated component into the first composite waveform. A demodulator is coupled to the mixing unit that demodulates the second composite waveform to generate a third composite waveform. A filter network is coupled to the demodulator that is configured to select a desired spectral portion of the third composite waveform.
대표청구항▼
What is claimed is: 1. A distribution system for controlling an unregulated output waveform from a power source, comprising: a modulator coupled to the power source that receives the unregulated output waveform and is operable to produce a first composite waveform; a mixing unit coupled to the modu
What is claimed is: 1. A distribution system for controlling an unregulated output waveform from a power source, comprising: a modulator coupled to the power source that receives the unregulated output waveform and is operable to produce a first composite waveform; a mixing unit coupled to the modulator that is operable to generate a second composite waveform by introducing a frequency modulated component into the first composite waveform; a demodulator coupled to the mixing unit that demodulates the second composite waveform and generates a third composite waveform, wherein the demodulator includes: an error determination component configured to output an error signal based on a difference between the second composite waveform and a periodic waveform; and a switch configured to receive the error signal and to control output of the third composite waveform based on the error signal; a transformer interposed between the demodulator and the mixing unit that includes a plurality of taps that are individually selectable to provide a desired transformation of the second composite waveform; and a filter network coupled to the demodulator that receives the third composite waveform and configured to select a desired spectral portion of the third composite waveform, the third composite waveform being coupled to a load. 2. The system of claim 1, wherein a low-pass filter is interposed between the modulator and the mixing unit, the mixing unit being further coupled to a signal oscillator that is operable to receive an input signal and to generate the frequency modulated component corresponding to the input signal. 3. The system of claim 1, wherein the demodulator is operable to detect the frequency modulated component and to control the transfer of the third composite waveform. 4. The system of claim 1, wherein the error determination component includes: an oscillator configured to output the periodic waveform having an output frequency; and a phase comparator configured to output the error signal based on a difference between a frequency of the second composite waveform and the output frequency of the periodic waveform. 5. The system of claim 4, wherein the switch is responsive to the frequency modulated component. 6. The system of claim 1, wherein the switch controls the output waveform of the demodulator to the filter network based upon the response of the error signal. 7. The system of claim 1, wherein the filter network further comprises an active or passive filter device. 8. The system of claim 1, wherein the first composite waveform further comprises a first square wave portion corresponding to a first portion of the unregulated output waveform, and a second square wave portion corresponding to a second portion of the unregulated output waveform, the first portion of the unregulated output having at least a different amplitude than the second portion of the unregulated output waveform. 9. The system of claim 1, wherein the second composite waveform further comprises a first square wave portion having a first frequency and a second square wave portion having a second frequency different from the first frequency. 10. A power control and regulation system, comprising: a modulator coupled to an alternating current (AC) power source that generates an unregulated waveform; a filter network coupled to the modulator that is operable to receive a modulated waveform from the modulator and generate a filtered waveform having a predetermined spectral composition, the filtered waveform including a first sine wave portion having a first amplitude and a second sine wave portion having a second amplitude different from the first amplitude; a mixing unit coupled to the filter network that is operable to introduce a frequency modulated component into the filtered waveform; at least one demodulator coupled to the mixing unit that demodulates the filtered waveform and generates a demodulated waveform, wherein the demodulator includes: an error determination component configured to output an error signal based on a difference between the second composite waveform and a periodic waveform; and a switch configured to receive the error signal and to control output of the third composite waveform based on the error signal; and a regulation stage coupled to the at least one demodulator and configured to receive the demodulated waveform and to regulate at least one of a power, a voltage and a current delivered to a load. 11. The system of claim 10, wherein a low-pass filter is interposed between the modulator the mixing unit, the mixing unit being further coupled to a signal oscillator that is operable to receive an input signal and to generate the frequency modulated component eouesponding to the input signal. 12. The system of claim 10, further comprising a transformer interposed between the mixing unit and the demodulator that alters an amplitude of the filtered waveform. 13. The system of claim 10, further comprising a transformer interposed between the mixing unit and the demodulator that electrically isolates the mixing unit and the demodulator. 14. The system of claim 10, further comprising a transformer interposed between the mixing unit and the demodulator that includes a plurality of taps that are individually selectable to provide a desired transformation of the filtered waveform. 15. The system of claim 10, wherein the demodulator is operable to detect the frequency modulated component and to control the transfer of the demodulated waveform. 16. The system of claim 10, wherein the demodulator further comprises a phase comparator that receives the filtered waveform and compares a frequency of the filtered waveform to a periodic waveform generated by a voltage controlled oscillator coupled to the phase comparator. 17. The system of claim 16, wherein the demodulator further comprises a switch that is responsive to the frequency modulated component. 18. The system of claim 17, wherein the switch controls the demodulated waveform of the demodulator to the regulation stage based upon the response of the error signal. 19. The system of claim 10, wherein the filter network further comprises an active or passive filter device. 20. The system of claim 10, wherein the error determination component includes: an oscillator configured to output the periodic waveform having an output frequency; and a phase comparator configured to output the error signal based on a difference between a frequency of the second composite waveform and the output frequency of the periodic waveform. 21. A power control and regulation system, comprising: a modulator coupled to an alternating current (AC) power source that generates an unregulated waveform; a filter network coupled to the modulator that is operable to receive a modulated waveform from the modulator and generate a filtered waveform having a predetermined spectral composition; a mixing unit coupled to the filter network that is operable to introduce a frequency modulated component into the filtered waveform; at least one demodulator coupled to the mixing unit that demodulates the filtered waveform and generates a demodulated waveform, wherein the demodulator includes: an error determination component configured to output an error signal based on a difference between the second composite waveform and a periodic waveform; and a switch configured to receive the error signal and to control output of the third composite waveform based on the error signal; a transformer interposed between the mixing unit and the demodulator that includes a plurality of taps that are individually selectable to provide a desired transformation of the filtered waveform; and a regulation stage coupled to the at least one demodulator and configured to receive the demodulated waveform and to regulate at least one of a power, a voltage and a current delivered to a load. 22. The system of claim 21, wherein a low-pass filter is interposed between the modulator the mixing unit, the mixing unit being further coupled to a signal oscillator that is operable to receive an input signal and to generate the frequency modulated component corresponding to the input signal. 23. The system of claim 21, wherein the demodulator is operable to detect the frequency modulated component and to control the transfer of the demodulated waveform. 24. The system of claim 21, wherein the demodulator further comprises a phase comparator that receives the filtered waveform and compares a frequency of the filtered waveform to a periodic waveform generated by a voltage controlled oscillator coupled to the phase comparator. 25. The system of claim 24, wherein the demodulator further comprises a switch that is responsive to the frequency modulated component. 26. The system of claim 25, wherein the switch controls the demodulated waveform of the demodulator to the regulation stage based upon the response of the error signal. 27. The system of claim 21, wherein the filter network further comprises an active or passive filter device. 28. The system of claim 21, wherein the error determination component includes: an oscillator configured to output the periodic waveform having an output frequency; and a phase comparator configured to output the error signal based on a difference between a frequency of the second composite waveform and the output frequency of the periodic waveform. 29. The system of claim 21, wherein the filtered waveform further comprises a first sine wave portion having a first amplitude and a second sine wave portion having a second amplitude different from the first amplitude.
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이 특허에 인용된 특허 (31)
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