Publications
Industrial Publications

Please contact Diagnostic Sonar's office for more details on any of these or to discuss how these array techniques could be used for your application. "Further developments in ultrasonic phased array inspection of ageing aircraft" by Irene Pettigrew, David Lines, Jesse Skramstad, Robert Smith and  Katherine Kirk. Proceedings of NDT2007, Glasgow, 18-20 September 2007. "Automated data analysis for fastener inspection on ageing aircraft structures" by Rob Pitts, Robert Smith, Andy Connor, Irene Pettigrew, Jesse Skramstad, David Lines and  Katherine Kirk. Proceedings of NDT2007, Glasgow, 18-20 September 2007. "Recent advances in aerospace inspection with ultrasonic phased arrays" by David Lines. Aerospace Testing Expo - Europe 2007, Munich, 27-29 March 2007. "An investigation of phased arrays with Full Raw Data (FRD) capture" by Irene Pettigrew, David Lines and  Katherine Kirk. Proceedings of NDT2006, Stratford-upon-Avon, 12-14 September 2006. "Phased Arrays with Signal Processing Techniques" by Irene Pettigrew, David Lines, Katherine Kirk and Sandy Cochran. Proceedings of BINDT Mini-Conference on Advanced Ultrasonic Techniques, Harrogate, 15-16 June 2006. "Novel Applications of Ultrasonic Arrays for Aerospace NDT" by David Lines (DSL), Jamie Bending and Robert Smith (QinetiQ). Proceedings of Aerospace Testing Expo - Europe 2006, Hamburg, 4-6 April 2006. Download a zipfile containing a narrated powerpoint presentation.  "Investigating post-processing of phased array data for detection and sizing capabilities using incoherent compounding" by Irene G. Pettigrew, David I.A. Lines, Katherine J. Kirk and Sandy Cochran. INSIGHT, Vol.48, No.4, April 2006, pp.228-232. "Rapid Distributed Data Collection and Processing with Arrays - the next step beyond Full Waveform Capture" by David Lines (DSL), Irene Pettigrew, Katherine Kirk, Sandy Cochran (University of Paisley) and Jesse Skramstad (NDT Solutions, Inc.). Proceedings of 9th Joint FAA/DoD/NASA Conference on Aging Aircraft, Atlanta, 6-9 March 2006. "Investigation of crack sizing using ultrasonic phased arrays with signal processing techniques" by Irene G. Pettigrew, David I.A. Lines, Katherine J. Kirk and Sandy Cochran. INSIGHT, Vol.48, No.2, February 2006, pp.80-83. "Rapid distributed data collection with arrays - the next step beyond Full Waveform Capture" by David I.A. Lines. INSIGHT, Vol.48, No.2, February 2006, pp.84-88. "Investigating Signal Processing Techniques using Ultrasonic Arrays" by Irene Pettigrew (University of Paisley), David Lines (DSL), Katherine Kirk and Sandy Cochran (University of Paisley). Proceedings of AFPAC'06, Wye College, Kent, 17-19 January 2006. "A practical comparison of the Synthetic Aperture Focusing (SAFT) and Total Focusing (TFM) methods for multi-layer angle-beam crack detection" by Robert Smith and Alan Fenwick (NDE Group, QinetiQ Ltd). Proceedings of AFPAC'06, Wye College, Kent, 17-19 January 2006. "Rapid Distributed Data Collection with Arrays - the next step beyond Full Waveform Capture" by David I.A. Lines. Proceedings of NDT2005, Harrogate, 13-15 September 2005. "Investigation of crack sizing using ultrasonic phased arrays with signal processing techniques" by Irene G. Pettigrew (University of Paisley), David I.A. Lines (DSL), Katherine J. Kirk and Sandy Cochran (University of Paisley). Proceedings of NDT2005, Harrogate, 13-15 September 2005. "Rapid Second-Layer Crack Detection Using Phased-Arrays and Automated Analysis" by  Robert Smith, David Edgar and Lyn Jones, QinetiQ Ltd. Proceedings of the 8th Joint NASA/FAA/DoD Conference on Aging Aircraft, Palm Springs, 31 Jan-3 Feb 2005. "Post Corrosion Re-Work Thickness Mapping of Aging Aircraft Wing Skins" by Christopher Vaccaro, Frank Parker, Nancy Wood, and Donald Palmer, Jr., The Boeing Company. Proceedings of the 8th Joint NASA/FAA/DoD Conference on Aging Aircraft, Palm Springs, 31 Jan-3 Feb 2005. "Automated Inspection of Aging Aircraft Structures Using Ultrasonic Arrays" by Nancy Wood, Christopher Vaccaro and Donald Palmer, Jr., The Boeing Company. Proceedings of the 8th Joint NASA/FAA/DoD Conference on Aging Aircraft, Palm Springs, 31 Jan-3 Feb 2005. "Rapid Inspection of Composite and Bonded Structures using a Field Level Ultrasonic Array Inspection System" by Jesse Skramstad (NDTSI) and David Lines (DSL). Proceedings of ASNT Fall Conference & Quality Testing Show 2004, Las Vegas, 15-19 November 2004. "Rapid, Low-cost, Full-Waveform Mapping & Analysis with Ultrasonic Arrays" by David I.A. Lines (DSL), Jesse Skramstad (NDTSI) and Robert Smith (QinetiQ). Proceedings of WCNDT2004, Montreal, 30 August - 3 September 2004. "Rapid, low-cost full-waveform mapping and analysis using ultrasonic phased arrays" by David I.A. Lines (DSL) and Robert A. Smith, David Edgar, Jamie M. Bending and Lyn D. Jones (QinetiQ). Proceedings of NDT2003, Worcester, 16-18 September 2003, (ISBN No: 0 903132 31 1), pp.43-48. "The application of real-time medical ultrasonic techniques to NDT" by David I.A. Lines (DSL). Proceedings of NDT2003, Worcester, 16-18 September 2003, (ISBN No: 0 903132 31 1), pp.189-192. "Rapid ultrasonic inspection of ageing aircraft" by Jamie M. Bending, Robert A. Smith, Lyn D. Jones and Tim R.C. Jarman (QinetiQ) and David I.A. Lines (DSL). INSIGHT, Vol.45, No.3, March 2003, pp.174-177. "Rapid Ultrasonic Inspection of Ageing Aircraft" by Robert Smith, Jamie Bending, Lyn Jones and Tim Jarman (QinetiQ) and David Lines (DSL). Proceedings of NDT2002, Southport, 17-19 September 2002, (ISBN No: 0 903132 30 3), pp.25-30. Click this link for online abstract. "Integrated ultrasonic arrays for rapid manual inspection and mapping" by David Lines. NDT.net, Volume 5 Number 7, July 2000 (see http://www.ndt.net/article/v05n07/dlines/dlines.htm). "Optimisation of High-Frequency Array Technology for Lap-Joint Inspection" by David Lines and Kenneth Dickson (DSL) and Robert Smith and Steve Willsher (DERA, Farnborough). Proceedings of 3rd Joint FAA/DoD/NASA Conference on Aging Aircraft, Albuquerque, 20-23 September 1999 (see http://www.galaxyscientific.com/agingaircraft/pdfs/6c/6c3d.pdf). "Optimisation of High-Frequency Array Technology for Lap-Joint Inspection" by David Lines and Kenneth Dickson (DSL) and Robert Smith and Steve Willsher (DERA). Proceedings of NDT'99 and Corrosion'99, Poole, Dorset, 14-16 September 1999, (ISBN No: 0 903132 27 3), pp.263-269. "A real-time image acquisition and processing system for ultrasonic arrays in NDT" by David Lines and Kenneth Dickson (DSL) and Gianni Filippi and Tom Moir (Univ. Paisley). Proceedings of NDT'99 and Corrosion'99, Poole, Dorset, 14-16 September 1999, (ISBN No: 0 903132 27 3), pp.11-17. "Rapid manual inspection and mapping using integrated ultrasonic arrays" by David Lines, Kenneth Dickson and Gianni Filippi. Proceedings of 2nd International Conference on "Emerging Technologies in NDT", Athens, 24-26 May 1999, (ISBN No: 90 5809 127 9), pp.97-105. "Rapid Inspection using Integrated ultrasonic Arrays" by David Lines. INSIGHT, Vol.40, No.8, August 1998, pp.573-577. "Reconfigurable FPGAs for data compression in ultrasonic non-destructive testing" David J. Darlington, Douglas R. Campbell and David I.A. Lines. IEE Colloquium on "DSP Chips in Real Time measurement and Control", University of Leicester, 25th September 1997. "Design of a cost-effective self-multiplexed ultrasonic array system for rapid weld inspection" Jeremy Bennett & David Lines. British Institute of NDT Annual Conference - NDT'97 Cheltenham, 16th - 19th September 1997.