WIRELESS ENERGY TRANSFER MODELING TOOL

• US 20150073768A1
• Filed: 08/12/2014
• Published: 03/12/2015
• Est. Priority Date: 11/04/2011
• Status: Abandoned Application

• Current Assignee: WiTricity Corporation
• Original Assignee: WiTricity Corporation
• Inventors: Kurs, Andre B., McCauley, Alexander P.
• Application Number:
  US14/457,217
• Publication Number:
  US 20150073768A1
• Time in Patent Office: Days
• US Class Current: 703/13
• CPC Class Codes: G06F 2119/06 Power analysis or power optimisation
• CPC Class Codes: G06F 30/367 Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
• CPC Class Codes: H01F 38/14 Inductive couplings for wireless supply or distribution of electric power using inductive coupling H02J50/10

Abstract

A method includes defining and storing one or more attributes of a source resonator and a device resonator forming a system, defining and storing the interaction between the source resonator and the device resonator, modeling the electromagnetic performance of the system to derive one or more modeled values and utilizing the derived one or more modeled values to design an impedance matching network. The method can further include providing a visual representation of the modeling through a computer implemented user interface.

Claims

1. A computer implemented method comprising:

a) defining and storing one or more attributes of a source resonator and a device resonator forming a system;

b) defining and storing the interaction between the source resonator and the device resonator;

c) modeling the electromagnetic performance of the system to derive one or more modeled values;

d) utilizing the derived one or more modeled values to design an impedance matching network; and

e) providing a visual representation of the modeling through a computer implemented user interface.

2. The method of claim 1 wherein defining the one or more attributes of the source resonator comprises defining at least one source resonator parameter selected from the group consisting of source resonator wire type, source resonator length, source resonator width, source resonator coil winding direction, source resonator coil number of turns and source resonator coil spacing between turns.

3. The method of claim 1 wherein defining the one or more attributes of the source resonator comprises defining the one or more attributes of the source resonator via a user interface.

4. The method of claim 1 wherein defining the one or more attributes of the source resonator comprises receiving alerts indicative of one or more logical or physical incompatibilities between the defined one or more attributes.

5. The method of claim 1 wherein defining the one or more attributes of the source resonator comprises retrieving a previously defined source resonator.

6. The method of claim 1 wherein defining the one or more attributes of the device resonator comprises defining at least one device resonator parameter selected from the group consisting of device resonator wire type, device resonator length, device resonator width, device resonator coil winding direction, device resonator coil number of turns and device resonator coil spacing between turns.

7. The method of claim 1 wherein defining the one or more attributes of the device resonator comprises defining the one or more attributes of the device resonator via a user interface.

8. The method of claim 1 wherein defining the one or more attributes of the device resonator comprises receiving alerts indicative of one or more logical or physical incompatibilities between the defined one or more attributes.

9. The method of claim 1 wherein defining the one or more attributes of the device resonator comprises retrieving a previously defined device resonator.

10. The method of claim 1 wherein defining the interaction between the source resonator and the device resonator comprises defining at least one system parameter selected from the group consisting of a sweep parameter and source/device resonator separation distance.

11. The method of claim 1 further comprising:

f) building a physical system based, at least in part, upon the impedance matching network;

g) measuring at least one attribute of the physical system; and

h) repeating step c), wherein the at least one measured attribute of the physical system is utilized to model the electromagnetic performance of the system.

12. The method of claim 1, wherein the visual representation comprises a graphic depiction of one or more performance metrics over a range of values for a first sweeping parameter.

13. The method of claim 12, wherein the visual representation comprises a graphic depiction of one or more performance metrics over a range of values for the first sweeping parameter and a range of values for a second sweeping parameter.

14. The method of claim 1, wherein the visual representation comprises information about far-field radiation caused by at least one of the resonators in the system.

15. A non-transitory computer-readable medium containing a set of instructions that causes a computer to:

enable the defining of one or more attributes of a source resonator and a device resonator forming a system;

enable the defining of an interaction between the source resonator and the device resonator;

model the electromagnetic performance of the system to derive one or more modeled values;

utilize the derived one or more modeled values to design an impedance matching network; and

generate a visual representation of the modeling through a computer implemented user interface.

16. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the source resonator comprises defining at least one source resonator parameter selected from the group consisting of source resonator wire type, source resonator length, source resonator width, source resonator coil winding direction, source resonator coil number of turns and source resonator coil spacing between turns.

17. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the source resonator comprises defining the one or more attributes of the source resonator via a user interface.

18. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the source resonator comprises receiving alerts indicative of one or more logical or physical incompatibilities between the defined one or more attributes.

19. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the source resonator comprises retrieving a previously defined source resonator.

20. The computer-readable medium of claim 15 wherein the defining the one or more attributes of the device resonator comprises defining at least one device resonator parameter selected from the group consisting of device resonator wire type, device resonator length, device resonator width, device resonator coil winding direction, device resonator coil number of turns and device resonator coil spacing between turns.

21. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the device resonator comprises defining the one or more attributes of the device resonator via a user interface.

22. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the device resonator comprises receiving alerts indicative of one or more logical or physical incompatibilities between the defined one or more attributes.

23. The computer-readable medium of claim 15 wherein the defining of the one or more attributes of the device resonator comprises retrieving a previously defined device resonator.

24. The computer-readable medium of claim 15 wherein the defining of the interaction between the source resonator and the device resonator comprises defining at least one system parameter selected from the group consisting of a sweep parameter and source/device resonator separation distance.

25. The computer-readable medium of claim 15 further comprising causing the computer to model the electromagnetic performance of the system utilizing at least one measured attribute of a physical system built based, at least in part, upon the impedance matching network.

26. The non-transitory computer-readable medium of claim 15, wherein the visual representation comprises a graphic depiction of one or more performance metrics over a range of values for a first sweeping parameter.

27. The non-transitory computer-readable medium of claim 26, wherein the visual representation comprises a graphic depiction of one or more performance metrics over a range of values for the first sweeping parameter and a range of values for a second sweeping parameter.

28. The non-transitory computer-readable medium of claim 15, wherein the visual representation comprises information about far-field radiation caused by at least one of the resonators in the system of one or more performance metrics over a range of values for a first sweeping parameter.