IDENTIFYING DAMAGE TO A WIRE
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Abstract
Methods, systems, and articles of manufacture consistent with the present invention determine the type of damage to a wire, the amount of damage, and the location of the damage based on the wire'"'"'s broadband impedance measured from a single measurement point. The type of damage is determined by comparing the wire'"'"'s calculated dielectric function, resistance and inductance to known values that correspond to types of wire damage. The amount of damage is determined by comparing the wire'"'"'s low-frequency impedance phase to known low-frequency impedance phase information that corresponds to a known amount of wire damage. The location of damage is determined by comparing the wire'"'"'s high-frequency impedance phase to known high-frequency impedance phase information that corresponds to a known location of wire damage.
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Citations
29 Claims
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1-19. -19. (canceled)
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20. A method comprising:
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determining a propagation function of normal nodes waves propagating through an insulated wire; determining at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function from the propagation function; and using at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function to obtain information about wire damage. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. Apparatus comprising:
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means for determining a propagation function of normal nodes waves propagating through an insulated wire; means for determining at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function from the propagation function; and means for using at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function to obtain information about wire damage.
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29. An article comprising computer-readable memory encoded with data for causing a computer to determine a propagation function of normal nodes waves propagating through an insulated wire;
- determine at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function from the propagation function; and
use at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function to obtain information about wire damage.
- determine at least one of frequency-dependent resistance, frequency-dependent inductance, and frequency-dependent dielectric function from the propagation function; and
Specification