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Laser Doppler blood flow imaging using a CMOS imaging sensor with on-chip signal processing (2013)
Journal Article
He, D., Nguyen, H. C., Hayes-Gill, B. R., Zhu, Y., Crowe, J. A., Gill, C., Clough, G. F., & Morgan, S. P. (2013). Laser Doppler blood flow imaging using a CMOS imaging sensor with on-chip signal processing. Sensors, 13(9), https://doi.org/10.3390/s130912632

The first fully integrated 2D CMOS imaging sensor with on-chip signal processing for applications in laser Doppler blood flow (LDBF) imaging has been designed and tested. To obtain a space efficient design over 64 × 64 pixels means that standard proc... Read More about Laser Doppler blood flow imaging using a CMOS imaging sensor with on-chip signal processing.

A high-speed permanent-magnet machine for fault-tolerant drivetrains (2013)
Journal Article
Papini, L., Tsarfidy, R., Gerada, D., & Gerada, C. (2013). A high-speed permanent-magnet machine for fault-tolerant drivetrains. IEEE Transactions on Industrial Electronics, 61(6), https://doi.org/10.1109/TIE.2013.2282604

This paper details the design considerations of a permanent magnet (PM), three phase, high speed, synchronous machine for fault tolerant operation. A multidisciplinary approach to the optimal design of the machine is adopted targeted at minimising th... Read More about A high-speed permanent-magnet machine for fault-tolerant drivetrains.

Stability evaluation of a DC micro-grid and future interconnection to an AC system (2013)
Journal Article
Sanchez, S., Molinas, M., Degano, M., & Zanchetta, P. (2014). Stability evaluation of a DC micro-grid and future interconnection to an AC system. Renewable Energy, 62, https://doi.org/10.1016/j.renene.2013.08.026

This paper presents the stability analysis of a DC micro-grid fed by renewable sources and the future interconnection with an AC micro-grid. This interconnection is realized through a voltage source converter, and the operation of the micro-grid is i... Read More about Stability evaluation of a DC micro-grid and future interconnection to an AC system.

Comparison of multilevel PWM versus interleaved based sinewave shaping for two-stage current source inverters used in PV applications (2013)
Presentation / Conference Contribution
Papadopoulos, S., & Klumpner, C. Comparison of multilevel PWM versus interleaved based sinewave shaping for two-stage current source inverters used in PV applications. Presented at 2013 15th European Conference on Power Electronics and Applications (EPE)

This paper investigates the advantages of using interleaved based direct sinusoidal current shaping techniques as alternative to 5-level Pulse Width Modulation (PWM) when used in conjunction to a two stage Current Source Inverter (CSI) in PV applicat... Read More about Comparison of multilevel PWM versus interleaved based sinewave shaping for two-stage current source inverters used in PV applications.

Modelling and control of a multi-stage interleaved DC-DC converter with coupled inductors for super-capacitor energy storage system (2013)
Journal Article
De, D., Klumpner, C., Patel, C., Kulsangcharoen, P., Rashed, M., & Asher, G. (2013). Modelling and control of a multi-stage interleaved DC-DC converter with coupled inductors for super-capacitor energy storage system. IET Power Electronics, 6(7), https://doi.org/10.1049/iet-pel.2012.0529

Interleaved converters with coupled inductors are widely used to share load current in high power applications. It offers high equivalent switching frequency and reduced output current ripples using small size magnetic components. Due to smaller comm... Read More about Modelling and control of a multi-stage interleaved DC-DC converter with coupled inductors for super-capacitor energy storage system.

Induction motors versus permanent magnet actuators for aerospace applications (2013)
Journal Article
Kakosimos, P. E., Sarigiannidis, A. G., Beniakar, M. E., Kladas, A. G., & Gerada, C. (2014). Induction motors versus permanent magnet actuators for aerospace applications. IEEE Transactions on Industrial Electronics, 61(8), https://doi.org/10.1109/TIE.2013.2274425

This paper introduces a comparative study on the design of aerospace actuators concerning Induction Motor (IM) and Permanent Magnet Motor (PMM) technologies. In the analysis undertaken, the two candidate configurations are evaluated in terms of both... Read More about Induction motors versus permanent magnet actuators for aerospace applications.

Design Optimization of Quasi-Active Gate Control for Series-Connected Power Devices (2013)
Journal Article
Teerakawanich, N., & Johnson, C. M. (2014). Design Optimization of Quasi-Active Gate Control for Series-Connected Power Devices. IEEE Transactions on Power Electronics, 29(6), 2705-2714. https://doi.org/10.1109/TPEL.2013.2274158

This paper presents a new gate drive circuit for driving a series string of insulated-gate bipolar transistors (IGBTs). The proposed quasi-active gate control (QAGC) circuit is simple to implement as it consists of only a few passive components in ad... Read More about Design Optimization of Quasi-Active Gate Control for Series-Connected Power Devices.

Pulsed ultrasound modulated optical tomography utilizing the harmonic response of lock-in detection (2013)
Journal Article
Ruan, H., Mather, M., & Morgan, S. P. (2013). Pulsed ultrasound modulated optical tomography utilizing the harmonic response of lock-in detection. Applied Optics, 52(19), https://doi.org/10.1364/AO.52.004755

Ultrasound modulated optical tomography (USMOT) can image the optical properties of a scattering
medium at a spatial resolution approaching that of ultrasound (US). A lock-in parallel speckle detection
technique is proposed to detect pulsed US modu... Read More about Pulsed ultrasound modulated optical tomography utilizing the harmonic response of lock-in detection.

Pulsed ultrasound modulated optical tomography with harmonic lock-in holography detection (2013)
Journal Article
Ruan, H., Mather, M., & Morgan, S. P. (2013). Pulsed ultrasound modulated optical tomography with harmonic lock-in holography detection. Journal of the Optical Society of America A, 30(7), https://doi.org/10.1364/JOSAA.30.001409

A method that uses digital heterodyne holography reconstruction to extract scattered light modulated by a singlecycle ultrasound (US) burst is demonstrated and analyzed. An US burst is used to shift the pulsed laser frequency by a series of discrete... Read More about Pulsed ultrasound modulated optical tomography with harmonic lock-in holography detection.

Dead-time effects on the voltage spectrum of a PWM inverter (2013)
Journal Article
Moore, D. C., Odavic, M., & Cox, S. M. (2014). Dead-time effects on the voltage spectrum of a PWM inverter. IMA Journal of Applied Mathematics, 79(6), https://doi.org/10.1093/imamat/hxt006

An inverter converts a direct-current power supply to an alternating-current power supply. This con- version is achieved by switching the output between the inputs at high frequency. The resulting output voltage may be described by a high-frequency t... Read More about Dead-time effects on the voltage spectrum of a PWM inverter.