Methods for improving the accuracy of automated NDE systems

Jonathan Riise, Lance Farr, Martin Lindop, Gareth Pierce, P. Ian Nicholson, Ian Cooper

Research output: Contribution to conferencePaper

Abstract

Automated inspection systems using twin six-axis industrial robots have been available for a number of years, including the IntACom system at TWI Wales. Utilising phased array ultrasonic probes to quickly inspect complex geometries, the IntACom system is now routinely used in various inspections of composite components. In the present work we introduce a number of methods for improving and quantifying the accuracy of an automated inspection system. The key challenges are identified and addressed through a number of methods including calibration procedures and interfacing multiple sensors with industrial robots for Non Destructive Evaluation (NDE) purposes. The authors also introduce a novel method for improving the Tool Centre Point (TCP) calibration of an industrial robot when the tool is an ultrasonic phased array probe. Experimental trials show that the average positioning error is less than 0.5mm using this new method.

Conference

Conference12th European Conference on Non-Destructive Testing
Abbreviated title12th ECNDT 2018
CountrySweden
CityGothenburg
Period11/06/1815/06/18
Internet address

Fingerprint

Industrial robots
Inspection
Ultrasonics
Calibration
Geometry
Sensors
Composite materials

Keywords

  • calibration
  • robotic inspection
  • ultrasonic testing (UT)
  • IntACom
  • phased array

Cite this

Riise, J., Farr, L., Lindop, M., Pierce, G., Nicholson, P. I., & Cooper, I. (2018). Methods for improving the accuracy of automated NDE systems. 1-9. Paper presented at 12th European Conference on Non-Destructive Testing , Gothenburg, Sweden.
Riise, Jonathan ; Farr, Lance ; Lindop, Martin ; Pierce, Gareth ; Nicholson, P. Ian ; Cooper, Ian. / Methods for improving the accuracy of automated NDE systems. Paper presented at 12th European Conference on Non-Destructive Testing , Gothenburg, Sweden.9 p.
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Riise, J, Farr, L, Lindop, M, Pierce, G, Nicholson, PI & Cooper, I 2018, 'Methods for improving the accuracy of automated NDE systems' Paper presented at 12th European Conference on Non-Destructive Testing , Gothenburg, Sweden, 11/06/18 - 15/06/18, pp. 1-9.

Methods for improving the accuracy of automated NDE systems. / Riise, Jonathan; Farr, Lance; Lindop, Martin; Pierce, Gareth; Nicholson, P. Ian; Cooper, Ian.

2018. 1-9 Paper presented at 12th European Conference on Non-Destructive Testing , Gothenburg, Sweden.

Research output: Contribution to conferencePaper

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T1 - Methods for improving the accuracy of automated NDE systems

AU - Riise, Jonathan

AU - Farr, Lance

AU - Lindop, Martin

AU - Pierce, Gareth

AU - Nicholson, P. Ian

AU - Cooper, Ian

PY - 2018/6/15

Y1 - 2018/6/15

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AB - Automated inspection systems using twin six-axis industrial robots have been available for a number of years, including the IntACom system at TWI Wales. Utilising phased array ultrasonic probes to quickly inspect complex geometries, the IntACom system is now routinely used in various inspections of composite components. In the present work we introduce a number of methods for improving and quantifying the accuracy of an automated inspection system. The key challenges are identified and addressed through a number of methods including calibration procedures and interfacing multiple sensors with industrial robots for Non Destructive Evaluation (NDE) purposes. The authors also introduce a novel method for improving the Tool Centre Point (TCP) calibration of an industrial robot when the tool is an ultrasonic phased array probe. Experimental trials show that the average positioning error is less than 0.5mm using this new method.

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KW - robotic inspection

KW - ultrasonic testing (UT)

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Riise J, Farr L, Lindop M, Pierce G, Nicholson PI, Cooper I. Methods for improving the accuracy of automated NDE systems. 2018. Paper presented at 12th European Conference on Non-Destructive Testing , Gothenburg, Sweden.