Search Results - "MacLeod, Charles N"

Sensor-Enabled Multi-Robot System for Automated Welding and In-Process Ultrasonic NDE by Vasilev, Momchil, MacLeod, Charles N., Loukas, Charalampos, Javadi, Yashar, Vithanage, Randika K. W., Lines, David, Mohseni, Ehsan, Pierce, Stephen Gareth, Gachagan, Anthony

“…The growth of the automated welding sector and emerging technological requirements of Industry 4.0 have driven demand and research into intelligent…”
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Automated Real-Time Eddy Current Array Inspection of Nuclear Assets by Foster, Euan Alexander, Bolton, Gary, Bernard, Robert, McInnes, Martin, McKnight, Shaun, Nicolson, Ewan, Loukas, Charalampos, Vasilev, Momchil, Lines, Dave, Mohseni, Ehsan, Gachagan, Anthony, Pierce, Gareth, Macleod, Charles N.

“…Inspection of components with surface discontinuities is an area that volumetric Non-Destructive Testing (NDT) methods, such as ultrasonic and radiographic,…”
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Collaborative Robotic Wire + Arc Additive Manufacture and Sensor-Enabled In-Process Ultrasonic Non-Destructive Evaluation by Zimermann, Rastislav, Mohseni, Ehsan, Vasilev, Momchil, Loukas, Charalampos, Vithanage, Randika K W, Macleod, Charles N, Lines, David, Javadi, Yashar, Espirindio E Silva, Misael Pimentel, Fitzpatrick, Stephen, Halavage, Steven, Mckegney, Scott, Pierce, Stephen Gareth, Williams, Stewart, Ding, Jialuo

“…The demand for cost-efficient manufacturing of complex metal components has driven research for metal Additive Manufacturing (AM) such as Wire + Arc Additive…”
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Transforming Industrial Manipulators via Kinesthetic Guidance for Automated Inspection of Complex Geometries by Loukas, Charalampos, Vasilev, Momchil, Zimmerman, Rastislav, Vithanage, Randika K W, Mohseni, Ehsan, MacLeod, Charles N, Lines, David, Pierce, Stephen Gareth, Williams, Stewart, Ding, Jialuo, Burnham, Kenneth, Sibson, Jim, O'Hare, Tom, Grosser, Michael R

“…The increased demand for cost-efficient manufacturing and metrology inspection solutions for complex-shaped components in High-Value Manufacturing (HVM)…”
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Single-Bit Reception With Coded Excitation for Lightweight Advanced Ultrasonic Imaging Systems by Nicolson, Ewan, Lines, David, Mohseni, Ehsan, MacLeod, Charles N.

“…The demand for an efficient and reliable ultrasonic phased array imaging system is not unique to a single industry. Today's imaging systems can be enhanced in…”
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Single-mode Lamb wave excitation at high-frequency-thickness products using a conventional linear array transducer by Tzaferis, Konstantinos, Tabatabaeipour, Morteza, Dobie, Gordon, Lines, David, MacLeod, Charles N.

“…•The number of elements and pitch value of a conventional linear array probe were determined for single Lamb wave mode excitation.•A pitch condition for…”
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Robotic Positioning for Quality Assurance of Feature-Sparse Components using a Depth-Sensing Camera by Gilmour, Adam, Jackson, William, Zhang, Dayi, Dobie, Gordon, MacLeod, Charles N., Karkera, Benjamin, Barber, Thomas

“…In this paper, a novel method for crawler positioning is presented utilizing an onboard depth-sensing camera which can operate in semi-structured, self-similar…”
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Advancing Carbon Fiber Composite Inspection: Deep Learning-Enabled Defect Localization and Sizing via 3-D U-Net Segmentation of Ultrasonic Data by McKnight, Shaun, Tunukovic, Vedran, Gareth Pierce, S., Mohseni, Ehsan, Pyle, Richard, MacLeod, Charles N., O'Hare, Tom

“…In nondestructive evaluation (NDE), accurately characterizing defects within components relies on accurate sizing and localization to evaluate the severity or…”
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Continuous monitoring of an intentionally-manufactured crack using an automated welding and in-process inspection system by Javadi, Yashar, Mohseni, Ehsan, MacLeod, Charles N., Lines, David, Vasilev, Momchil, Mineo, Carmelo, Foster, Euan, Pierce, Stephen G., Gachagan, Anthony

“…Automated weld deposition coupled with the real-time robotic Non-Destructive Evaluation (NDE) is used in this paper. For performance verification of the…”
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Three-Dimensional Residual Neural Architecture Search for Ultrasonic Defect Detection by McKnight, Shaun, Mackinnon, Christopher, Pierce, S. Gareth, Mohseni, Ehsan, Tunukovic, Vedran, MacLeod, Charles N., Vithanage, Randika K. W., O'Hare, Tom

“…This study presents a deep-learning (DL) methodology using 3-D convolutional neural networks (CNNs) to detect defects in carbon fiber-reinforced polymer (CFRP)…”
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Determining Position and Orientation of a 3-Wheel Robot on a Pipe Using an Accelerometer by McGregor, Alexander, Dobie, Gordon, Pearson, Neil R., MacLeod, Charles N., Gachagan, Anthony

“…Accurate positioning of robots on pipes is a challenge in automated industrial inspection. It is typically achieved using expensive and cumbersome external…”
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In-process calibration of a non-destructive testing system used for in-process inspection of multi-pass welding by Javadi, Yashar, Sweeney, Nina E., Mohseni, Ehsan, MacLeod, Charles N., Lines, David, Vasilev, Momchil, Qiu, Zhen, Vithanage, Randika K.W., Mineo, Carmelo, Stratoudaki, Theodosia, Pierce, Stephen G., Gachagan, Anthony

“…In multi-pass welding, there is increasing motivation to move towards in-process defect detection to enable real-time repair; thus avoiding deposition of more…”
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Unsupervised machine learning for flaw detection in automated ultrasonic testing of carbon fibre reinforced plastic composites by Tunukovic, Vedran, McKnight, Shaun, Pyle, Richard, Wang, Zhiming, Mohseni, Ehsan, Gareth Pierce, S., K. W. Vithanage, Randika, Dobie, Gordon, MacLeod, Charles N., Cochran, Sandy, O'Hare, Tom

“…•The automated scanning setups have enhanced the throughput of NDE data.•Unsupervised machine learning models can be used to accelerate data…”
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Increasing the speed of automated ultrasonic inspection of as-built additive manufacturing components by the adoption of virtual source aperture by Zimermann, Rastislav, Mohseni, Ehsan, Vithanage, Randika K.W., Lines, David, Foster, Euan, Macleod, Charles N., Gareth Pierce, Stephen, Marinelli, Gianrocco, Williams, Stewart, Ding, Jialuo

“…[Display omitted] •Multi-layer adaptive ultrasound imaging using VSA for dry-coupled roller-probe inspection of AM components.•Inspection of as-built…”
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Model-assisted ultrasonic calibration using intentionally embedded defects for in-process weld inspection by Mohseni, Ehsan, Javadi, Yashar, Sweeney, Nina E., Lines, David, MacLeod, Charles N., Vithanage, Randika K.W., Qiu, Zhen, Vasilev, Momchil, Mineo, Carmelo, Lukacs, Peter, Foster, Euan, Pierce, S. Gareth, Gachagan, Anthony

“…Automated in-process Non-Destructive Testing (NDT) systems are rapidly gaining traction within the manufacturing industry as they reduce manufacturing time and…”
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A sensor enabled robotic strategy for automated Defect-Free Multi-Pass High-Integrity welding by Charalampos Loukas, Names, Warner, Veronica, Jones, Richard, MacLeod, Charles N., Vasilev, Momchil, Mohseni, Ehsan, Dobie, Gordon, Sibson, Jim, Pierce, Stephen G., Gachagan, Anthony

“…[Display omitted] •An adaptive robotic welding approach is presented for fully automated defect free multi-pass robotic arc welding.•A user-initiated,…”
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Enhancing the Sound Absorption of Small-Scale 3-D Printed Acoustic Metamaterials Based on Helmholtz Resonators by Casarini, Cecilia, Tiller, Benjamin, Mineo, Carmelo, Macleod, Charles N., Windmill, James F. C., Jackson, Joseph C.

“…Acoustic metamaterials have recently become of interest for their ability to attenuate sound by breaking the mass-density law. In this paper, acoustic…”
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Clinical Monitoring of Tooth Wear Progression in Patients over a Period of One Year Using CAD/CAM by Ahmed, Khaled E, Whitters, John, Ju, Xiangyang, Pierce, S Gareth, MacLeod, Charles N, Murray, Colin A

“…The aim of this study was to clinically monitor the progression of tooth wear over a period of 1 year in a cohort of referred tooth wear patients through the…”
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Using Phased Array Ultrasound to Localize Probes During the Inspection of Welds by Gilmour, Adam, Ulrichsen, Alexander, Jackson, William, Tabatabaeipour, Morteza, Dobie, Gordon, Macleod, Charles N., Murray, Paul, Karkera, Benjamin

“…In this article, an image processing-based localization system is developed for remote nondestructive evaluation of welds within industrial assets. Manual…”
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A Proposed Methodology to Assess the Accuracy of 3D Scanners and Casts and Monitor Tooth Wear Progression in Patients by Ahmed, Khaled E, Whitters, John, Ju, Xiangyang, Pierce, S Gareth, MacLeod, Charles N, Murray, Colin A

“…The aim of this study was to detail and assess the capability of a novel methodology to 3D-quantify tooth wear progression in a patient over a period of 12…”
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