Dr STEVE GREEDY's Outputs (8)

Robust Series Arc Detection for DC MEA Power Systems Using Windowed Fractal Dimension (2025)
Journal Article
Seeley, D., Sumner, M., Thomas, D. W., & Greedy, S. (2025). Robust Series Arc Detection for DC MEA Power Systems Using Windowed Fractal Dimension. IEEE Journal of Emerging and Selected Topics in Power Electronics, https://doi.org/10.1109/JESTPE.2025.3526674

The rapid development of more-electric transportation has led to increased use of higher voltage DC circuit architecture and battery storage. These developing technologies create a higher risk of DC arc failure resulting from component or insulation... Read More about Robust Series Arc Detection for DC MEA Power Systems Using Windowed Fractal Dimension.

An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator (2018)
Journal Article
Cumming, D. R., Thomas, D., Maricar, M. I., Khalid, A., Dunn, G., Greedy, S., Thomas, D. W., Cumming, D. R. S., & Oxley, C. H. (2018). An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator. Microwave and Optical Technology Letters, 60(9), 2144-2148. https://doi.org/10.1002/mop.31312

© 2018 Wiley Periodicals, Inc. The planar Gunn diode offers the potential of microwave, milli-metric and THz-based oscillators, which can be fabricated as part of a microwave monolithic integrated circuit (mmic). The paper develops an electrical repr... Read More about An electrical equivalent circuit to simulate the output power of an AlGaAs/GaAs planar gunn diode oscillator.

EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation (2017)
Presentation / Conference Contribution
Smartt, C., Basford, M., Greedy, S., Thomas, D., & Sumner, M. (2017, September). EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation. Presented at 2017 International Conference on Electromagnetics in Advanced Applications (ICEAA), Verona, Italy

This paper describes the development and application of sophisticated multi-conductor cable bundle models for Spice simulation. The cable models developed include frequency dependent parameters, transfer impedance coupling and incident plane wave exc... Read More about EMC-oriented multi-conductor equivalent circuit cable models for spice, including transfer impedance coupling and incident field excitation.

Design and characterization of a diamond-shaped monopole antenna (2017)
Journal Article
Maricar, M. I., Bahar, A., Greedy, S., Smartt, C., Phang, S., Gradoni, G., Cross, R., Creagh, S. C., Tanner, G., & Thomas, D. W. P. (2017). Design and characterization of a diamond-shaped monopole antenna. Microwave and Optical Technology Letters, 59(10), 2695-2698. https://doi.org/10.1002/mop.30790

We report a new planar antenna design in the shape of a diamond. The performance of the antenna design is initially obtained through simulation, then fabricated, and its performance evaluated through experiment. Experimental characterization of the d... Read More about Design and characterization of a diamond-shaped monopole antenna.

Analysis of conducted emissions from an Electric Nacelle Anti-Ice power control system (2016)
Presentation / Conference Contribution
Nothofer, A., Tarisciotti, L., Zhou, Q., Benson, T. M., Greedy, S., & Christopoulos, C. (2016, September). Analysis of conducted emissions from an Electric Nacelle Anti-Ice power control system. Presented at EMC Europe 2016

In this paper a high frequency model of the Electrical Nacelle Anti-Ice (ENAI) system is described for a typical aircraft application. The ENAI system, usually modelled only at the normal operating frequency, is modified in order to include a detaile... Read More about Analysis of conducted emissions from an Electric Nacelle Anti-Ice power control system.

Conducted emission evaluation for direct matrix converters (2016)
Presentation / Conference Contribution
Nothofer, A., Tarisciotti, L., Greedy, S., Empringham, L., De Lillo, L., & Degano, M. Conducted emission evaluation for direct matrix converters. Presented at 2016 ESA Workshop on Aerospace EMC

Matrix converters have been recently proposed as an alternative solution to the standard back-to-back converter in aerospace applications. However, Electromagnetic Interference (EMI), in particular, conducted emissions represent a critical aspect for... Read More about Conducted emission evaluation for direct matrix converters.

Open source cable models for EMI simulations (2016)
Presentation / Conference Contribution
Greedy, S., Smartt, C., & Thomas, D. W. (2016, May). Open source cable models for EMI simulations. Presented at 2016 ESA Workshop on Aerospace EMC, Valencia, Spain

This paper describes the progress of work towards an Open Source software toolset suitable for developing Spice based multi-conductor cable models. The issues related to creating a transmission line model for implementation in Spice which include the... Read More about Open source cable models for EMI simulations.

Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas
Presentation / Conference Contribution
Maricar, M. I., Gradoni, G., Greedy, S., Ivrlac, M. T., Nossek, J. A., Phang, S., Creagh, S. C., Tanner, G., & Thomas, D. W. Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas. Presented at 2016 ESA Workshop on Aerospace EMC

Understanding the impact of interference upon the performance of a multiple input multiple output (MIMO) based device is of paramount importance in ensuring a design is both resilient and robust. In this work the effect of element-element interferenc... Read More about Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas.