Nondestructive inspection of a structure including the analysis of cavity electromagnetic field response
First Claim
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1. A method comprising performing nondestructive inspection (NDI) on a structure having a cavity, the NDI including exciting the structure with electromagnetic radiation;
- analyzing the cavity'"'"'s electromagnetic field response to detect a state change of the structure; and
providing an indication of structural health of the structure based on the analysis of the cavity response.
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Abstract
Nondestructive inspection (NDI) on a structure having a cavity includes exciting the structure with electromagnetic radiation and analyzing the cavity'"'"'s electromagnetic field response to detect a state change of the structure.
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Citations
28 Claims
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1. A method comprising performing nondestructive inspection (NDI) on a structure having a cavity, the NDI including exciting the structure with electromagnetic radiation;
- analyzing the cavity'"'"'s electromagnetic field response to detect a state change of the structure; and
providing an indication of structural health of the structure based on the analysis of the cavity response. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- analyzing the cavity'"'"'s electromagnetic field response to detect a state change of the structure; and
- 11. A method of analyzing structural health of an aircraft, the method comprising exciting different aircraft structures exhibiting RF characteristics with electromagnetic radiation and analyzing cavity responses to detect state changes of the structures.
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21. Apparatus comprising an analyzer for performing nondestructive inspection (NDI) on a structure having a cavity, the analyzer analyzing measurements of cavity responses to electromagnetic excitation of the structure, the analysis performed to detect a state change of the structure;
- the analyzer also providing an indication of structural health of the structure after the cavity response has been analyzed.
- View Dependent Claims (22)
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23. An aircraft comprising a plurality of structures having cavities;
- and a system for performing performing nondestructive inspection (NDl) on at least one of the structures, the system including
electromagnetic excitation apparatus for exciting at least one of those structures exhibiting RF characteristics with electromagnetic radiation; and field response measurement apparatus for measuring field responses to the electromagnetic excitation, the measurements providing information about any state changes of the structures excited with electromagnetic radiation. - View Dependent Claims (24, 25, 26, 27, 28)
- and a system for performing performing nondestructive inspection (NDl) on at least one of the structures, the system including
Specification