METHOD AND SYSTEM FOR EVALUATING THE CONDITION OF A COLLECTION OF SIMILAR ELONGATED HOLLOW OBJECTS
First Claim
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1. A method for estimating parameters of flaws that exist in at least one elongated hollow object (EHO) from a group of a plurality of similar EHOs existing in a bundle of EHOs, the method comprising the acts of:
- associating a probe of a Non-Destructive Testing (NDT) system with a first EHO from the group;
measuring the response of the first EHO at a plurality of points along the length of the first EHO to obtain the measured results of the first EHO along the length of the first EHO;
repeating the actions of associating and measuring for each of the remaining plurality of similar EHOs of the group to obtain the measured results along the length of each one of the EHOs within the group;
applying a statistical analysis to the obtained measured results of each one of the EHOs in the group, at each point from the plurality of points along the EHO, in comparison with the obtained measured results of the first of EHO at each respective point from the plurality of points along the first EHO, for defining the adjusted result of the first EHO.
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Abstract
A tester that evaluates the condition of a plurality of elongated hollow objects by emitting a signal into the objects and measuring the reflected signals at particular sample points, generating a statistically related base signal based on the values at each such sample point and creating an adjusted signal for each measures signal by modifying as a function of the base signal. Analyze the adjusted signals to look for anomalies within each object.
34 Citations
28 Claims
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1. A method for estimating parameters of flaws that exist in at least one elongated hollow object (EHO) from a group of a plurality of similar EHOs existing in a bundle of EHOs, the method comprising the acts of:
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associating a probe of a Non-Destructive Testing (NDT) system with a first EHO from the group; measuring the response of the first EHO at a plurality of points along the length of the first EHO to obtain the measured results of the first EHO along the length of the first EHO; repeating the actions of associating and measuring for each of the remaining plurality of similar EHOs of the group to obtain the measured results along the length of each one of the EHOs within the group; applying a statistical analysis to the obtained measured results of each one of the EHOs in the group, at each point from the plurality of points along the EHO, in comparison with the obtained measured results of the first of EHO at each respective point from the plurality of points along the first EHO, for defining the adjusted result of the first EHO. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An Acoustic Pulse Reflectometry (APR) system, comprising:
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a probe comprising a mixed-wave tube coupled with an acoustic-wave transmitter and a microphone, wherein the mixed wave tube is adapted to interface with each pipe from a group of a plurality of similar pipes from a bundle of pipes; and a processor communicatively coupled with the probe and is configured to;
instruct the acoustic-wave transmitter to transmit an acoustic wave toward a pipe from the bundle via the acoustic-wave transmitter;
receive a signal that reflects the reflection acoustic wave received from the pipe via the microphone;
sample the received signal at a plurality of sampling points wherein each sampling point represents a point along the pipe;
store the sampled results in a table associated with that pipe as the measured result of the pipe, continue measuring a next pipe in the bundle until measuring the received signals from all of the plurality of pipes; andwherein the processor is further configured to;
apply a statistical analysis on the obtained measured result of each one of the pipes in the group, at each point from the plurality of points along the pipe, in comparison with the obtained measured results of a first pipe at each respective point from the plurality of points along the first pipe, for defining the adjusted result of the first pipe. - View Dependent Claims (19, 20, 21, 22)
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23. A non-transitory storage medium readable by a processor and storing instructions for execution by the processor, when executed by the processor, performs a method for estimating parameters of flaws that exist in at least one elongated hollow object (EHO) from a group of a plurality of similar EHOs existing in a bundle of EHOs, the method comprising:
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associating a probe of a Non-Destructive Testing (NDT) system with a first EHO from the group; measuring the response of the first EHO at a plurality of points along the length of the first EHO to obtain the measured results of the first EHO along the length of the first EHO; repeating the actions of associating and measuring for each of the remaining plurality of similar EHOs of the group to obtain the measured results along the length of each one of the EHOs within the group; applying a statistical analysis to the obtained measured results of each one of the EHOs in the group, at each point from the plurality of points along the EHO, in comparison with the obtained measured results of the first of EHO at each respective point from the plurality of points along the first EHO, for defining the adjusted result of the first EHO. - View Dependent Claims (24, 25, 26, 27, 28)
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Specification