Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

Abstract

Increasing the inspection quality and speed is essential in manufacturing applications, especially for large structures (e.g. modern aircrafts). Traditional ultrasonic manual scanning can be comprehensive, but lacks repeatability and is time-consuming. Several robotic non-destructive testing systems have been developed in recent years. Although high inspection rates have been achieved by the use of robotic arms, there is the need to furtherly increase the inspection speeds, to cope with the current industrial demands. For systems delivering robotic ultrasonic inspection through phased array probes, the current bottleneck is given by the time required to electrically fire all elements of the phased array probes, which limits the maximum scanning speed of the automated manipulators. This paper discusses the development of a multi-aperture beamforming method to focus the beam with multiple focusing points at a single firing. This work investigates this approach and the influence of different aperture excitations on the data quality. Experiments have been carried out using a 5MHz 32-element phased array probe manipulated by a KUKA robot. The results highlight the possibility to significantly improve the speed of automated inspection compared to linear beamforming, without compromising the inspection quality.
LanguageEnglish
Title of host publication45th Annual Review of Progress in Quantitative Nondestructive Evaluation
Place of PublicationMelville, NY.
Publication statusAccepted/In press - 17 May 2018
Event45th Review of Progress in Quantitative Nondestructive Evaluation Conference - Burlington, Vermont, Burlington, United States
Duration: 14 Jul 201820 Jul 2018
Conference number: 45
https://register.extension.iastate.edu/qnde

Conference

Conference45th Review of Progress in Quantitative Nondestructive Evaluation Conference
Abbreviated title45th Annual RPQNDE
CountryUnited States
CityBurlington
Period14/07/1820/07/18
Internet address

Fingerprint

Beamforming
Inspection
Ultrasonics
Robotics
Scanning
Robotic arms
Nondestructive examination
Manipulators
Aircraft
Robots
Experiments

Keywords

  • ultrasound inspection
  • non-destructive testing
  • NDT
  • manufacturing
  • robots

Cite this

Su, R., Mineo, C., MacLeod, C. N., Pierce, S. G., & Gachagan, A. (Accepted/In press). Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays. In 45th Annual Review of Progress in Quantitative Nondestructive Evaluation Melville, NY..
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abstract = "Increasing the inspection quality and speed is essential in manufacturing applications, especially for large structures (e.g. modern aircrafts). Traditional ultrasonic manual scanning can be comprehensive, but lacks repeatability and is time-consuming. Several robotic non-destructive testing systems have been developed in recent years. Although high inspection rates have been achieved by the use of robotic arms, there is the need to furtherly increase the inspection speeds, to cope with the current industrial demands. For systems delivering robotic ultrasonic inspection through phased array probes, the current bottleneck is given by the time required to electrically fire all elements of the phased array probes, which limits the maximum scanning speed of the automated manipulators. This paper discusses the development of a multi-aperture beamforming method to focus the beam with multiple focusing points at a single firing. This work investigates this approach and the influence of different aperture excitations on the data quality. Experiments have been carried out using a 5MHz 32-element phased array probe manipulated by a KUKA robot. The results highlight the possibility to significantly improve the speed of automated inspection compared to linear beamforming, without compromising the inspection quality.",
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author = "Riliang Su and Carmelo Mineo and MacLeod, {Charles N.} and Pierce, {Stephen G.} and Anthony Gachagan",
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month = "5",
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Su, R, Mineo, C, MacLeod, CN, Pierce, SG & Gachagan, A 2018, Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays. in 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Melville, NY., 45th Review of Progress in Quantitative Nondestructive Evaluation Conference, Burlington, United States, 14/07/18.

Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays. / Su, Riliang; Mineo, Carmelo; MacLeod, Charles N.; Pierce, Stephen G.; Gachagan, Anthony.

45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Melville, NY., 2018.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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AU - Pierce, Stephen G.

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N2 - Increasing the inspection quality and speed is essential in manufacturing applications, especially for large structures (e.g. modern aircrafts). Traditional ultrasonic manual scanning can be comprehensive, but lacks repeatability and is time-consuming. Several robotic non-destructive testing systems have been developed in recent years. Although high inspection rates have been achieved by the use of robotic arms, there is the need to furtherly increase the inspection speeds, to cope with the current industrial demands. For systems delivering robotic ultrasonic inspection through phased array probes, the current bottleneck is given by the time required to electrically fire all elements of the phased array probes, which limits the maximum scanning speed of the automated manipulators. This paper discusses the development of a multi-aperture beamforming method to focus the beam with multiple focusing points at a single firing. This work investigates this approach and the influence of different aperture excitations on the data quality. Experiments have been carried out using a 5MHz 32-element phased array probe manipulated by a KUKA robot. The results highlight the possibility to significantly improve the speed of automated inspection compared to linear beamforming, without compromising the inspection quality.

AB - Increasing the inspection quality and speed is essential in manufacturing applications, especially for large structures (e.g. modern aircrafts). Traditional ultrasonic manual scanning can be comprehensive, but lacks repeatability and is time-consuming. Several robotic non-destructive testing systems have been developed in recent years. Although high inspection rates have been achieved by the use of robotic arms, there is the need to furtherly increase the inspection speeds, to cope with the current industrial demands. For systems delivering robotic ultrasonic inspection through phased array probes, the current bottleneck is given by the time required to electrically fire all elements of the phased array probes, which limits the maximum scanning speed of the automated manipulators. This paper discusses the development of a multi-aperture beamforming method to focus the beam with multiple focusing points at a single firing. This work investigates this approach and the influence of different aperture excitations on the data quality. Experiments have been carried out using a 5MHz 32-element phased array probe manipulated by a KUKA robot. The results highlight the possibility to significantly improve the speed of automated inspection compared to linear beamforming, without compromising the inspection quality.

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KW - robots

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Su R, Mineo C, MacLeod CN, Pierce SG, Gachagan A. Multi-aperture beamforming for automated large structure inspection using ultrasonic phased arrays. In 45th Annual Review of Progress in Quantitative Nondestructive Evaluation. Melville, NY. 2018