Methods and systems for maximum power point transfer in receivers
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01F-027/42
H01F-037/00
H01F-038/00
H02J-005/00
H02J-050/20
H02J-050/40
H02J-050/60
출원번호
US-0255874
(2016-09-02)
등록번호
US-10116170
(2018-10-30)
발명자
/ 주소
Leabman, Michael A.
출원인 / 주소
Energous Corporation
대리인 / 주소
Morgan, Lewis & Bockius LLP
인용정보
피인용 횟수 :
0인용 특허 :
195
초록▼
The embodiments described herein include a wireless power receiver. One such receiver includes: (i) a first rectifier configured to rectify a first power received at a first antenna, (ii) a second rectifier configured to rectify a second power received at a second antenna, (iii) a controller configu
The embodiments described herein include a wireless power receiver. One such receiver includes: (i) a first rectifier configured to rectify a first power received at a first antenna, (ii) a second rectifier configured to rectify a second power received at a second antenna, (iii) a controller configured to transmit an operational instruction to an input boost converter to adjust the first rectified power in response to determining that the power extracted by the receiver is less than a global power maximum based upon the first rectified power and the second rectified power, and (iv) an output boost converter configured to adjust the power provided to a load associated with the receiver. The controller is configured to: (a) determine load requirements for the load and (b) transmit one or more operational instructions to at least one of the input boost converter and the output boost converter based upon the load requirements.
대표청구항▼
1. A wireless power receiver comprising: a first rectifier coupled to a first antenna, and configured to rectify a first power received at the first antenna and generate a first rectified power;a second rectifier coupled to a second antenna, and configured to rectify a second power received at the s
1. A wireless power receiver comprising: a first rectifier coupled to a first antenna, and configured to rectify a first power received at the first antenna and generate a first rectified power;a second rectifier coupled to a second antenna, and configured to rectify a second power received at the second antenna and generate a second rectified power;a controller configured to transmit an operational instruction to an input boost converter to adjust the first rectified power in response to determining that the power extracted by the receiver is less than a global power maximum based upon the first rectified power and the second rectified power; andan output boost converter configured to adjust the power provided to a load associated with the receiver,wherein the controller is configured to: determine load requirements for the load associated with the receiver; andtransmit one or more operational instructions to at least one of the input boost converter and the output boost converter based upon the load requirements for the load associated with the receiver. 2. The receiver according to claim 1, wherein the first power and the second power are generated by a plurality of power waves transmitted by a plurality of antennas of one or more wireless power transmitters. 3. The receiver according to claim 1, wherein the input boost converter comprises a second controller configured to receive the one or more operational instructions from the controller. 4. The receiver according to claim 1, wherein the operational instruction comprises an instruction for a second controller of the input boost converter to step up the first rectified power. 5. The receiver according to claim 1, wherein the controller is configured to determine the operational instruction based upon a query to a look-up table indexed by a value of the first rectified power and a value of the second rectified power. 6. The receiver according to claim 1, wherein the input boost converter is configured to determine at least one of the global power maximum and a local power maximum. 7. A method of receiver operation, the method comprising: rectifying, by a first rectifier of a receiver, a first power received at a first antenna of the receiver to generate a first rectified power;rectifying, by a second rectifier of the receiver, a second power received at a second antenna of the receiver to generate a second rectified power;transmitting, by a controller of the receiver, an operational instruction to an input boost converter to adjust the first rectified power in response to determining that the power extracted by the receiver is less than a global power maximum based upon the first rectified power and the second rectified power;determining, by the controller, load requirements for a load associated with the receiver; andtransmitting, by the controller, one or more operational instructions to at least one of the input boost converter and an output boost converter based upon the load requirements for the load associated with the receiver. 8. The method of claim 7, wherein the first power and the second power are generated by a plurality of power waves transmitted by a plurality of antennas of one or more wireless power transmitters. 9. The method of claim 7, further comprising: receiving, by a second controller of the input boost converter, the operational instruction from the controller. 10. The method of claim 7, wherein the operational instruction comprises an instruction for a second controller of the input boost converter to step up the first rectified power. 11. The method of claim 7, further comprising: determining, by the controller, the operational instruction based upon a query to a look-up table indexed by a value of the first rectified power and a value of the second rectified power. 12. The method of claim 7, further comprising: determining, by the input boost converter, at least one of the global power maximum and a local power maximum. 13. A wireless power system comprising: a first rectifier configured to rectify a first power received at a first antenna to generate a first rectified power;a second rectifier configured to rectify a second power received at a second antenna to generate a second rectified power;a controller configured to transmit an operational instruction to an input boost converter to adjust the first rectified power in response to determining that the power extracted by the receiver is less than a global power maximum based upon the first rectified power and the second rectified power; andan output boost converter configured to adjust the power provided to a load associated with the receiver,wherein the controller is configured to: determine load requirements for the load associated with the receiver; andtransmit one or more operational instructions to at least one of the input boost converter and the output boost converter based upon the load requirements for the load associated with the receiver. 14. The wireless power system of claim 13, wherein the input boost converter comprises a second controller configured to receive the one or more operational instructions from the controller. 15. The wireless power system of claim 13, wherein the operational instruction comprises an instruction for a second controller of the input boost converter to step up the first rectified power. 16. The wireless power system of claim 13, wherein the controller is configured to determine the operational instruction based upon a query to a look-up table indexed by a value of the first rectified power and a value of the second rectified power. 17. The wireless power system of claim 13, wherein the input boost converter is configured to determine at least one of the global power maximum and a local power maximum.
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