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Outputs (24)

A case study of PV output power degradation rates in Oman. (2018)
Journal Article
Honnurvali, M., Gupta, N., Goh, K., Umar, T., & Nazeema, N. (2019). A case study of PV output power degradation rates in Oman. IET Renewable Power Generation, 13(2), 352-360. https://doi.org/10.1049/iet-rpg.2018.5457

To meet the increase in peak electricity demand and to reduce fossil fuel emissions in Oman and as an initiative taken by the government, by 2030, 15% (3000 MW) of the total energy mix (20,000 MW) should be generated from renewable energy resources l... Read More about A case study of PV output power degradation rates in Oman..

Assessment of efficiency of air abrasive cleaning on masonry stones and bricks using greyscale Imaging analysis (2015)
Presentation / Conference Contribution
Reza, H., Zhang, B., & Gupta, N. K. (2015, April). Assessment of efficiency of air abrasive cleaning on masonry stones and bricks using greyscale Imaging analysis. Presented at 2nd International Conference on Advances in Civil, Structural and Construction Engineering (CSCE 2015), Rome, Italy

Advanced greyscale imaging analysis was
conducted using Adobe Photoshop 6 on the surfaces of masonry
stones and clay bricks, taken from old buildings, to accurately
assess the efficiency of building cleaning. Five commonly used
masonry stones and... Read More about Assessment of efficiency of air abrasive cleaning on masonry stones and bricks using greyscale Imaging analysis.

Reliability of manual assessments in determining the types of vegetation on railway tracks (2015)
Presentation / Conference Contribution
Nyberg, R. G., Yella, S., Gupta, N. K., & Dougherty, M. (2015, November). Reliability of manual assessments in determining the types of vegetation on railway tracks. Presented at Web Information Systems Engineering – WISE 2015, Miami, FL, USA

Current day vegetation assessments within railway maintenance are (to a large extent) carried out manually. This study has investigated the reliability of such manual assessments by taking three non-domain experts into account. Thirty-five track imag... Read More about Reliability of manual assessments in determining the types of vegetation on railway tracks.

Inter-rater reliability in determining the types of vegetation on railway trackbeds (2015)
Presentation / Conference Contribution
Nyberg, R. G., Yella, S., Gupta, N. K., & Dougherty, M. (2015, November). Inter-rater reliability in determining the types of vegetation on railway trackbeds. Presented at International Conference on Web Information Systems Engineering, Springer International Publishing

Vegetation growing on railway trackbeds and embankments can present several potential problems. Consequently, such vegetation is controlled through various maintenance procedures. In order to investigate the extent of maintenance needed, one of the f... Read More about Inter-rater reliability in determining the types of vegetation on railway trackbeds.

Developing a fuzzy new -generation whole-life cost model for medium-sized office buildings. (2014)
Presentation / Conference Contribution
Tokede, O. O., D'Amico, B., Gupta, N. K., & Wamuziri, S. (2014, October). Developing a fuzzy new -generation whole-life cost model for medium-sized office buildings. Presented at ICEC IX World Congress Re-Engineering Total Cost Management

Purpose of this paper
The purpose of this paper is to explore the investment appraisal aspects of the new-generation whole-life cost (NWLC) model and develops a fuzzy new-generation whole-life cost model for 25 simulated configurations of a steel-ty... Read More about Developing a fuzzy new -generation whole-life cost model for medium-sized office buildings..

Machine Vision For Condition Monitoring Vegetation On Railway Embankments (2014)
Presentation / Conference Contribution
Nyberg, R., Gupta, N., Yella, S., & Dougherty, M. (2014, September). Machine Vision For Condition Monitoring Vegetation On Railway Embankments. Presented at 6th IET Conference on Railway Condition Monitoring, RCM

National Railway Administration in Northern Europe do not employ systematic procedures in monitoring the current state of vegetation to form the basis of maintenance decision making. Current day vegetation maintenance is largely based on human visual... Read More about Machine Vision For Condition Monitoring Vegetation On Railway Embankments.

Factors influencing municipal construction project performance (2014)
Journal Article
Alsulamy, S., Gupta, N., & Sloan, B. (2014). Factors influencing municipal construction project performance. Proceedings of the ICE - Municipal Engineer, 167(2), 108-117. https://doi.org/10.1680/muen.13.00029

There is a strong correlation between practised critical success factors and the efficiency of performance measurement systems in delivering satisfactory service. Construction project success is affected by multiple diminution factors, including cri... Read More about Factors influencing municipal construction project performance.

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.

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.

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.