Field strength monitoring for optimal performance

• US 9,921,256 B2
• Filed: 09/08/2015
• Issued: 03/20/2018
• Est. Priority Date: 09/08/2015
• Status: Active Grant

• Current Assignee: Cpg Technologies, LLC
• Original Assignee: Cpg Technologies, LLC
• Inventors: Corum, James F., Corum, Kenneth L., Lilly, James D., Pinzone, Joseph F.
• Primary Examiner(s): Takaoka, Dean
• Assistant Examiner(s): Wong, Alan
• Application Number:
  US14/847,599
• Publication Number:
  US 20170067951A1
• Time in Patent Office: 924 Days
• Field of Search: 333240
• CPC Class Codes: G01R 27/32 in circuits having distributed constants , e.g. having very long conductors or involving high frequencies
• CPC Class Codes: G01R 29/0871 Complete apparatus or systems; circuits, e.g. receivers or amplifiers G01R29/0878, G01R29/0892 take precedence; dosimeters, warning devices G01R29/0857
• CPC Class Codes: G01R 29/0878 Sensors; antennas; probes; detectors wave guide measuring sections G01R1/24
• CPC Class Codes: G01R 29/12 Measuring electrostatic fields or voltage-potential
• CPC Class Codes: G01V 3/12 operating with electromagnetic waves operating with millimetre waves G01V8/005
• CPC Class Codes: H01P 3/00 Waveguides; Transmission lines of the waveguide type
• CPC Class Codes: H01Q 13/20 Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
• CPC Class Codes: H01Q 13/26 Surface waveguide constituted by a single conductor, e.g. strip conductor
• CPC Class Codes: H01Q 7/06 with core of ferromagnetic material H01Q7/02 takes precedence

Abstract

Disclosed are various embodiments for field strength monitoring of electromagnetic fields generated by a guided surface waveguide probe. A field meter measures the field strength of the electromagnetic field. The field meter communicates the measured field strength to a probe control system coupled to the guided surface waveguide probe. Adjustments can be made to one or more operational parameters of the guided surface waveguide probe according to the measured field strength.

Claims

1. A system, comprising:

a probe control system coupled to a guided surface waveguide probe, the probe control system configured to adjust one or more operational parameters of the guided surface waveguide probe; and

a plurality of field meters in data communication with the probe control system, the plurality of field meters configured to;

measure field strength associated with an electromagnetic field generated by the guided surface waveguide probe; and

communicate field strength information to the probe control system, the field strength information including the measured field strength.

2. The system of claim 1, wherein the guided surface waveguide probe comprises a charge terminal elevated over a lossy conducting medium configured to generate the electromagnetic field that synthesizes a wave front incident at a complex Brewster angle of incidence (θ

_i,B) of the lossy conducting medium.

3. The system of claim 2, wherein the guided surface waveguide probe comprises a feed network electrically coupled to the charge terminal, the feed network providing a phase delay (Φ

) that matches a wave tilt angle (Ψ

) associated with a complex Brewster angle of incidence (θ

_i,B) associated with the lossy conducting medium in a vicinity of the guided surface waveguide probe.

4. The system of claim 1, wherein at least one field meter is stationary such that a location of the at least one field meter is the same for repeated field strength measurements.

5. The system of claim 1, wherein at least one field meter is mobile such that a location of the at least one field meter varies for a series of repeated field strength measurements.

6. The system of claim 1, wherein the field strength information further includes global positioning system (GPS) locations of the plurality of field meters associated with the measured field strength.

7. The system of claim 1, wherein the field strength information further includes a time of the measured field strength measurement.

8. The system of claim 1, wherein adjustment of the one or more operational parameters of the guided surface waveguide probe is based at least in part upon the field strength information.

9. A method, comprising:

receiving, via a probe control system, a field strength measurement from a measurement device, the field strength measurement corresponding to a field strength of an electromagnetic field generated by a guided surface waveguide probe;

determining, via the probe control system, whether to consider the field strength measurement for adjusting one or more operational parameters of the guided surface waveguide probe based at least in part upon a time corresponding to when the field strength was measured and a location of the measurement device at the time the field strength was measured; and

adjusting, via the probe control system, the one or more operational parameters associated with the guided surface waveguide probe, the adjustment of the one or more operational parameters based at least in part upon the field strength measurement.

10. The method of claim 9, wherein the guided surface waveguide probe comprises a charge terminal elevated over a lossy conducting medium configured to generate the electromagnetic field that synthesizes a wave front incident at a complex Brewster angle of incidence (θ

_i,B) of the lossy conducting medium.

11. The method of claim 10, further comprising a feed network electrically coupled to the charge terminal, the feed network providing a phase delay (Φ

) that matches a wave tilt angle (Ψ

) associated with a complex Brewster angle of incidence (θ

_i,B) associated with the lossy conducting medium in a vicinity of the guided surface waveguide probe.

12. The method of claim 9, further comprising sending, via the probe control system, a request to the measurement device for the field strength measurement.

13. The method of claim 9, further comprising adding, via the probe control system, the field strength measurement to a measurement array including a plurality of other field strength measurements associated with at least one other measurement device in response to determining to consider the field strength measurement.

14. The method of claim 13, wherein the one or more operational parameters are adjusted in response to the measurement array including a predefined number of measurements.

15. The method of claim 9, further comprising determining, via the probe control system, a distance between the measurement device and the guided surface waveguide probe according to the location, and wherein the determination to consider the field strength measurement is based at least in part upon the distance being within a predefined distance of the guided surface waveguide probe.

16. The method of claim 9, wherein the measurement device is mobile.

17. A method, comprising:

determining, via a measurement device, a frequency associated with an electromagnetic field being generated by a guided surface waveguide probe;

measuring, via the measurement device, a field strength of the electromagnetic field according to the frequency; and

reporting, via the measurement device, the field strength to a probe control system associated with the guided surface waveguide probe, the probe control system configured to make one or more adjustments to the guided surface waveguide probe according to the measured field strength.

18. The method of claim 17, wherein the guided surface waveguide probe comprises a charge terminal elevated over a lossy conducting medium configured to generate the electromagnetic field that synthesizes a wave front incident at a complex Brewster angle of incidence (θ

_i,B) of the lossy conducting medium.

19. The method of claim 18, wherein the guided surface waveguide probe further comprises a feed network electrically coupled to the charge terminal, the feed network providing a phase delay (Φ

) that matches a wave tilt angle (Ψ

) associated with a complex Brewster angle of incidence (θ

_i,B) associated with the lossy conducting medium in a vicinity of the guided surface waveguide probe.

20. The method of claim 17, further comprising determining a time and location associated with the measurement of the field strength, and wherein the time and location are communicated with the field strength to the probe control system.

21. The method of claim 17, further comprising:

receiving, via the measurement device, a plurality of other field strength measurements of the electromagnetic field from a plurality of other measurement devices;

compiling, via the measurement device, a measurement array including the measured field strength and the plurality of other field strength measurements; and

wherein communicating the field strength to the probe control system comprises communicating the measurement array to the probe control system.

22. The method of claim 21, wherein the measurement device is a master field meter and the plurality of other measurement devices are a plurality of slave field meters.

23. The method of claim 22, wherein the field strength is communicated to the probe control system via a master field meter.