All Outputs (60)

Thick-Film ceramic strain sensors for structural health monitoring (2011)
Journal Article
Jabir, S. A. A., & Gupta, N. K. (2011). Thick-Film ceramic strain sensors for structural health monitoring. IEEE Transactions on Instrumentation and Measurement, 60, 3669-3676. https://doi.org/10.1109/TIM.2011.2138310

Structural Health Monitoring represents one of the primary field applications for new sensor technologies. Different kinds of sensors to monitor stability anomalies of civil structures are deployed on different kinds of building materials. Observatio... Read More about Thick-Film ceramic strain sensors for structural health monitoring.

MRI suites and residual design risk from static magnetic field (2010)
Journal Article
Price, T., Wamuziri, S., & Gupta, N. (2010). MRI suites and residual design risk from static magnetic field. Proceedings of the ICE - Management, Procurement and Law, 163(1), 7-15. https://doi.org/10.1680/mpal.2010.163.1.7

Since the inception of the UK Construction (Design and Management) Regulations 1994 through to the 2007 Construction (Design and Management) Regulations a duty has been imposed upon the client of premises where a notifiable project has been carried... Read More about MRI suites and residual design risk from static magnetic field.

Condition monitoring of wooden railway sleepers (2009)
Journal Article
Yella, S., Dougherty, M., & Gupta, N. K. (2009). Condition monitoring of wooden railway sleepers. Transportation Research Part C : Emerging Technologies, 17, 38-55. https://doi.org/10.1016/j.trc.2008.06.002

Wooden railway sleeper inspections in Sweden are currently performed manually by a human operator; such inspections are to large extent based on visual analysis. In this paper a machine vision based approach has been considered to emulate the visual... Read More about Condition monitoring of wooden railway sleepers.

Assessment of the error in the average current sensed by the unidirectional current pulse transformer (2008)
Journal Article
McNeill, N., & Gupta, N. K. (2008). Assessment of the error in the average current sensed by the unidirectional current pulse transformer. IET Circuits, Devices and Systems, 2, 265. https://doi.org/10.1049/iet-cds%3A20070226

Advantages of using a current transformer (CT) for current sensing in switched mode power converters are that galvanic isolation is inherent, losses are low, the bandwidth is high and a high-amplitude output signal may be obtained. However, 'droop' o... Read More about Assessment of the error in the average current sensed by the unidirectional current pulse transformer.

Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer (2008)
Journal Article
McNeill, N., Gupta, N. K., Burrow, S. G., Holliday, D., & Mellor, P. H. (2008). Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer. IEEE Transactions on Power Electronics, 23, 591-599. https://doi.org/10.1109/TPEL.2007.915662

This paper investigates the application of reset voltage feedback for reducing errors due to droop in the signal derived from a current transformer sensing unidirectional current pulses in switched-mode power converter applications. Droop is minimise... Read More about Application of reset voltage feedback for droop minimization in the unidirectional current pulse transformer.

Comparison of pattern recognition techniques for the classification of impact acoustic emissions. (2007)
Journal Article
Yella, S., Gupta, N. K., & Dougherty, M. S. (2007). Comparison of pattern recognition techniques for the classification of impact acoustic emissions. Transportation Research Part C : Emerging Technologies, 15, 345-360. https://doi.org/10.1016/j.trc.2007.05.004

Current day condition monitoring applications involving wood are mostly carried out through visual inspection and if necessary some impact acoustic examination is carried out. These inspections are mainly done intuitively by skilled personnel. In thi... Read More about Comparison of pattern recognition techniques for the classification of impact acoustic emissions..

Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing (2006)
Journal Article
Yella, S., Dougherty, M. S., & Gupta, N. K. (2006). Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing. Insight - Non-Destructive Testing & Condition Monitoring, 48(1), 10-20. https://doi.org/10.1784/insi.2006.48.1.10

This paper attempts to summarise the findings of a large
number of research papers deploying artificial intelligence
(AI) techniques for the automatic interpretation of data from non-destructive testing (NDT). Problems in the rail transport domain... Read More about Artificial intelligence techniques for the automatic interpretation of data from non-destructive testing.

Active current transformer circuits for low distortion sensing in switched mode power converters. (2004)
Journal Article
McNeill, N., Gupta, N. K., & Armstrong, W. (2004). Active current transformer circuits for low distortion sensing in switched mode power converters. IEEE Transactions on Power Electronics, 19, 908-917. https://doi.org/10.1109/TPEL.2004.830075

The current transformer (CT) is frequently used for sensing applications in switched mode power converters. Advantages are that galvanic isolation is inherently incorporated, bandwidth is high, losses are low and that a high-amplitude output signal m... Read More about Active current transformer circuits for low distortion sensing in switched mode power converters..

Equipment for the investigation of the accelerated curing of concrete using direct electrical conduction (2004)
Journal Article
Wilson, J. G., & Gupta, N. K. (2004). Equipment for the investigation of the accelerated curing of concrete using direct electrical conduction. Measurement : journal of the International Measurement Confederation, 35(3), 243-250. https://doi.org/10.1016/j.measurement.2003.11.002

The need for accelerated curing of concrete in precast civil engineering components is discussed, and the techniques available to achieve this are presented, with particular emphasis on the use of direct electrical conduction.

The principles of th... Read More about Equipment for the investigation of the accelerated curing of concrete using direct electrical conduction.

Lifelong Learning - getting started. (1997)
Presentation / Conference Contribution
Armitage, A., Gupta, N. K., & Rae, G. (1997, June). Lifelong Learning - getting started. Presented at 8th Annual EAEEIE Conference: Innovations and Quality in Education for Electrical and Information Engineering

Anovel parallel processing synchronization method for observing electric fields in and around PCBs (1997)
Journal Article
Buchanan, W. J., & Gupta, N. K. (1997). Anovel parallel processing synchronization method for observing electric fields in and around PCBs. International Journal of Electronics, 82(1), 61-76. https://doi.org/10.1080/002072197136273

The authors have taken the 3D FDTD approach to simulate the propagation of electrical signals within and around printed circuit boards (PCBs). This relates to the work currently being carried out into the propagation of very high speed digital pulses... Read More about Anovel parallel processing synchronization method for observing electric fields in and around PCBs.

Machine independent algorithm for concurrent finite-element problems (1996)
Presentation / Conference Contribution
Buchanan, W. J., & Gupta, N. K. (1996, April). Machine independent algorithm for concurrent finite-element problems. Presented at 3rd International Conference on Computation in Electromagnetics (CEM 96)

The finite-element method, initially developed for mechanical and civil engineering applications, is now applied to electromagnetics. This paper describes how parallel processing applies to finite-element simulations. The methods discussed are the pa... Read More about Machine independent algorithm for concurrent finite-element problems.

An Investigation into the improvement of Local Minima of the Hopfield Network (1996)
Journal Article
Peng, M., Gupta, N. K., & Armitage, A. (1996). An Investigation into the improvement of Local Minima of the Hopfield Network. Neural Networks, 9(7), 1241-1253. https://doi.org/10.1016/0893-6080%2896%2900017-2

The paper investigates the improvement of local minima of the Hopfield network. A local minima escape algorithm (LME algorithm), is proposed for improving local minima of small-scale networks. Experiments on travelling salesman problems (TSP) show th... Read More about An Investigation into the improvement of Local Minima of the Hopfield Network.

Invariant object recognition by neural network. (1995)
Presentation / Conference Contribution
Peng, M., Gupta, N. K., & Armitage, A. (1995, November). Invariant object recognition by neural network. Presented at Proc 1995 Int. Conf. on Artificial Neural Networks

Prediction of electric fields from conductors on a PCB by 3D finite-difference time-domain method. (1995)
Journal Article
Buchanan, W. J., & Gupta, N. K. (1995). Prediction of electric fields from conductors on a PCB by 3D finite-difference time-domain method. Engineering Science and Education Journal, 4, 177-182. https://doi.org/10.1049/esej%3A19950410

The finite-difference time-domain method gives accurate results for the calculation of electromagnetic wave propagation and hence can be used in a number of university final-year projects. The paper shows a novel application of the method in predicti... Read More about Prediction of electric fields from conductors on a PCB by 3D finite-difference time-domain method..

Prediction of electric fields in and around PCBs — 3D finite-difference time-domain approach with parallel processing (1995)
Journal Article
Buchanan, W. J., & Gupta, N. K. (1995). Prediction of electric fields in and around PCBs — 3D finite-difference time-domain approach with parallel processing. Advances in engineering software, 23(2), 111-114. https://doi.org/10.1016/0965-9978%2895%2900068-8

The authors have taken the 3D FDTD approach to simulate the propagation of electrical signals within and around printed circuit boards (PCBs). This relates to the work currently being carried out into the propagation of very high speed digital pulses... Read More about Prediction of electric fields in and around PCBs — 3D finite-difference time-domain approach with parallel processing.

Application of 3D finite-difference time-domain (FDTD) method to predict radiation from a PCB with high speed pulse propagation. (1994)
Presentation / Conference Contribution
Buchanan, W. J., Gupta, N. K., & Arnold, J. M. (1994, September). Application of 3D finite-difference time-domain (FDTD) method to predict radiation from a PCB with high speed pulse propagation

The authors have applied the 3D FDTD technique to simulate the propagation of electrical signals within printed circuit boards (PCBs). This relates to the work currently being carried out into the propagation of very high speed digital pulses in PCBs... Read More about Application of 3D finite-difference time-domain (FDTD) method to predict radiation from a PCB with high speed pulse propagation..

Parallel processing techniques in EMP propagation using 3D finite-difference time-domain (FDTD) method. (1993)
Journal Article
Buchanan, W. J., & Gupta, N. K. (1993). Parallel processing techniques in EMP propagation using 3D finite-difference time-domain (FDTD) method. Advances in engineering software, 18(3), 149-159. https://doi.org/10.1016/0965-9978%2893%2990062-X

The authors have applied the 3D FDTD technique to simulate the propagation of electrical signals on a microstrip antenna using a four-transputer array connected to a 386-based PC. This relates to work currently being carried out into the propagation... Read More about Parallel processing techniques in EMP propagation using 3D finite-difference time-domain (FDTD) method..

Simulation of radiation from a microstrip antenna using three-dimensional finite-difference time-domain (FDTD) method. (1993)
Presentation / Conference Contribution
Buchanan, W. J., Gupta, N. K., & Arnold, J. M. (1993, March). Simulation of radiation from a microstrip antenna using three-dimensional finite-difference time-domain (FDTD) method. Presented at Antennas and Propagation, 1993., Eighth International Conference on

The authors have used the FDTD method to model and predict the radiation patterns from a microstrip antenna. One problem in modelling microstrip antennas is that these structures are highly resonant. The authors have described techniques to reduce th... Read More about Simulation of radiation from a microstrip antenna using three-dimensional finite-difference time-domain (FDTD) method..

Simulation of three-dimensional finite-difference time-domain method on limited memory systems. (1991)
Presentation / Conference Contribution
Buchanan, W. J., & Gupta, N. K. (1991, November). Simulation of three-dimensional finite-difference time-domain method on limited memory systems. Presented at International Conference on Computation in Electromagnetics

The authors discuss techniques in the modelling of electromagnetic fields using finite difference time domain (FDTD) methods applied to 80×86-based PCs or limited memory computers. Electrical modelling of structures is currently carried out mainly in... Read More about Simulation of three-dimensional finite-difference time-domain method on limited memory systems..