Outputs (26)

Analysis of conducted EMI for dual active bridge DC-DC converter in an electric traction application (2024)
Presentation / Conference Contribution
Adhena, H. H., Watson, A. J., Greedy, S., Moonen, N., & Leferink, F. (2024, June). Analysis of conducted EMI for dual active bridge DC-DC converter in an electric traction application. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, UK

Dual active bridge (DAB) converters are commonly used in power conversion applications with switching devices that operate at high frequencies and high switching speeds. There can be current ringing (oscillation) both in the collector of the switchin... Read More about Analysis of conducted EMI for dual active bridge DC-DC converter in an electric traction application.

Machine Learning for Ultra High Throughput Screening of Organic Solar Cells: Solving the Needle in the Haystack Problem (2023)
Journal Article
Hußner, M., Pacalaj, R. A., Olaf Müller‐Dieckert, G., Liu, C., Zhou, Z., Majeed, N., Greedy, S., Ramirez, I., Li, N., Hosseini, S. M., Uhrich, C., Brabec, C. J., Durrant, J. R., Deibel, C., & MacKenzie, R. C. I. (2024). Machine Learning for Ultra High Throughput Screening of Organic Solar Cells: Solving the Needle in the Haystack Problem. Advanced Energy Materials, 14(3), Article 2303000. https://doi.org/10.1002/aenm.202303000

Over the last two decades the organic solar cell community has synthesized tens of thousands of novel polymers and small molecules in the search for an optimum light harvesting material. These materials are often crudely evaluated simply by measuring... Read More about Machine Learning for Ultra High Throughput Screening of Organic Solar Cells: Solving the Needle in the Haystack Problem.

On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links (2023)
Journal Article
Pena-Quintal, A., Sayed, W. E., Sumner, M., Ercan, S. U., Greedy, S., Thomas, D., & Smolenski, R. (2023). On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links. IEEE Transactions on Electromagnetic Compatibility, 65(4), 1027-1036. https://doi.org/10.1109/TEMC.2023.3273111

This article addresses the effects on nearby communication systems when spread spectrum modulation techniques are used for a dc-dc power converter. These interactions can be found in modern smart grids and automotive power networks in which the combi... Read More about On Spread Spectrum for DC Grids: Low-Frequency Conducted EMI Mitigation and Signal Integrity Disruption in Serial Communication Links.

State of the Art of Near-Field Scanning: Contemporary Standards and Methods (2023)
Presentation / Conference Contribution
Voskresenskyi, S., Aitbar, I., Ballukja, E., Niewiadomski, K., Thomas, D. W., & Greedy, S. (2023, January). State of the Art of Near-Field Scanning: Contemporary Standards and Methods. Presented at 2023 IEEE 7th Global Electromagnetic Compatibility Conference (GEMCCON), Nusa Dua, Indonesia

This paper presents a review of a number of techniques used for near-field scanning and detection of electromagnetic radiation sources. It also gives an overview of standards, related to technical requirements for the devices as well as scanning meth... Read More about State of the Art of Near-Field Scanning: Contemporary Standards and Methods.

Comparison of Great Britain and Ukraine railway systems based on their EMC capability and electrification systems (2023)
Presentation / Conference Contribution
Adhena, H. H., Serdiuk, T., Thomas, D., & Greedy, S. (2023, January). Comparison of Great Britain and Ukraine railway systems based on their EMC capability and electrification systems. Presented at 2023 IEEE 7th Global Electromagnetic Compatibility Conference (GEMCCON), Nusa Dua, Indonesia

In this paper, a comparison based on electromagnetic compatibility capability, electromagnetic interference susceptibility, signalling, and electrification systems of Great Britain and Ukraine's railway systems will be analyzed.

Compact MIMO System Performances in Metallic Enclosures (2022)
Journal Article
Lodro, M., Gradoni, G., Smartt, C., Thomas, D., & Greedy, S. (2022). Compact MIMO System Performances in Metallic Enclosures. Electronics, 11(24), 1-15. https://doi.org/10.3390/electronics11244188

In this work, we present a 2 × 2 near-field multi-input multiple-output (MIMO) prototype for bit-error-rate (BER) and error vector magnitude (EVM) measurements in a metal enclosure. The near-field MIMO prototype was developed using software-defined-r... Read More about Compact MIMO System Performances in Metallic Enclosures.

Impact of dielectric substrates on chipless RFID tag performance (2022)
Journal Article
Ali, A., Smartt, C., Im, J., Williams, O., Lester, E., & Greedy, S. (2023). Impact of dielectric substrates on chipless RFID tag performance. International Journal of Microwave and Wireless Technologies, 15(5), 753-763. https://doi.org/10.1017/S1759078722001039

A five-slot hexagonal shape chipless RFID tag is designed, simulated, and manufactured on FR4 substrate. The designed tag's copper geometry was replicated on a wide range of dielectric substrate to quantify the impact on resonance quality factor (RQF... Read More about Impact of dielectric substrates on chipless RFID tag performance.

Impact of Pseudo-Random Modulation on Measured Conducted EMI (2022)
Journal Article
Pena-Quintal, A., Loschi, H., Smolenski, R., Sumner, M., Thomas, D., Greedy, S., Lezynski, P., & Leferink, F. (2022). Impact of Pseudo-Random Modulation on Measured Conducted EMI. IEEE Electromagnetic Compatibility Magazine, 11(2), 84-92. https://doi.org/10.1109/memc.2022.9873829

This paper demonstrates that using conventional frequency scanning methods for the evaluation of conducted electromagnetic interference generated by DC/DC converters can give misleading results when pseudo-random modulation is used as part of the con... Read More about Impact of Pseudo-Random Modulation on Measured Conducted EMI.

EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid (2022)
Presentation / Conference Contribution
Pena-Quintal, A., Khilnani, A., Sandrolini, L., Sumner, M., Thomas, D., & Greedy, S. (2022, August). EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid. Presented at 2022 IEEE International Symposium on Electromagnetic Compatibility & Signal/Power Integrity (EMCSI), Spokane, WA, USA

DC Microgrid research has developed in the recent years following the increasing integration of power electronic based switching devices at the point of common coupling in DC grids. This has led to electromagnetic interference problems caused by the... Read More about EMI Spectral Aggregation of Modulation Schemes in a lab-based DC Microgrid.

High capacity chipless RFID tags for biomass tracking application (2022)
Journal Article
Ali, A., Smartt, C., Lester, E., Williams, O., & Greedy, S. (2023). High capacity chipless RFID tags for biomass tracking application. International Journal of Microwave and Wireless Technologies, 15(5), 742-752. https://doi.org/10.1017/S1759078722000745

The design of a low-cost, flexible, miniaturized and a high code density chipless RFID tag is presented as a solution for tracking the transportation of biomass fuel pellets. The performance of the tag is presented and demonstrates the applicability... Read More about High capacity chipless RFID tags for biomass tracking application.