All Outputs (374)

Wide frequency range active damping of LCL-filtered grid connected converters (2018)
Conference Proceeding

It can be challenging to guarantee the stability of grids with many converters with LCL filters connected due to the presence of multiple resonances within the system. This paper presents an active damping technique to mitigate multiple resonance eff... Read More about Wide frequency range active damping of LCL-filtered grid connected converters.

Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry (2018)
Conference Proceeding

In this paper a typical small low voltage TEFC motor (output power ~10 kW) has been studied using computational fluid dynamics. The complexity of the end winding geometries, often consisting of several insulated copper strands bound together, provide... Read More about Fluid flow and heat transfer analysis of TEFC machine end regions using more realistic end-winding geometry.

An advanced modulation scheme emphasising neutral point ripple suppression using predictive control for three-level NPC converters in aircraft electric starter generator applications (2018)
Conference Proceeding

Electrical starter/generator (ESG) system is one of the key innovations of more-electric aircraft initiative. The ESG cranks the engine and accelerates it up to self-sustained speed using electric energy (starter mode) and then runs as a generator to... Read More about An advanced modulation scheme emphasising neutral point ripple suppression using predictive control for three-level NPC converters in aircraft electric starter generator applications.

GaN HEMT gate-driver for achieving high power converter integration levels (2018)
Conference Proceeding

This work proposes a solution for implementing an isolated gate driver for GaN HEMTs based on the previous topology for SiC power MOSFETs. The isolation of the gate driver is realised by the single transformer topology with double winding in the sec... Read More about GaN HEMT gate-driver for achieving high power converter integration levels.

Static and dynamic TSEPs of SiC and GaN transistors (2018)
Conference Proceeding

This paper investigates the static and dynamic temperature sensitive electrical parameters (TSEPs) for both SiC and GaN transistors. It is shown that both the qualitative and quantitative temperature characteristics of these parameters are various wh... Read More about Static and dynamic TSEPs of SiC and GaN transistors.

Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter (2018)
Conference Proceeding

The Dual-Active-Bridge is a well-established isolated, bidirectional DC/DC topology suitable for applications where high efficiency, galvanic isolation and large voltage conversion ratios are required. However, in low voltage high power cases, the ou... Read More about Model predictive control for Active-Bridge-Active-Clamp (ABAC) converter.

Towards a predictive model of driver acceptance of active collision avoidance systems (2018)
Conference Proceeding

Drivers’ acceptance of advanced-driver-assistance-systems (ADAS), such as pedestrian alert systems (PAS), is vital if the full benefits are to be realised. However, the adoption and continued use of such technology is not only contingent on the syste... Read More about Towards a predictive model of driver acceptance of active collision avoidance systems.

End-to-end audiovisual speech recognition (2018)
Conference Proceeding

Several end-to-end deep learning approaches have been recently presented which extract either audio or visual features from the input images or audio signals and perform speech recognition. However, research on end-to-end audiovisual models is very l... Read More about End-to-end audiovisual speech recognition.

Deep word embeddings for visual speech recognition (2018)
Conference Proceeding

In this paper we present a deep learning architecture for extracting word embeddings for visual speech recognition. The embeddings summarize the information of the mouth region that is relevant to the problem of word recognition, while suppressing ot... Read More about Deep word embeddings for visual speech recognition.

Performance improvement of the CFM56-3 aircraft engine by electric power transfer (2018)
Conference Proceeding

With the design trends towards the More Electric Engine (MEE) for the More Electric Aircraft (MEA), areas for novel technologies can be pinpointed for multi-spool engines, introducing remarkable improvements to push the boundaries of propulsion techn... Read More about Performance improvement of the CFM56-3 aircraft engine by electric power transfer.

Device loss model of a fully SiC based dual active bridge considering the effect of synchronous rectification and deadtime (2018)
Conference Proceeding

It is becoming a great interest to employ SiC based power devices in dual active bridge (DAB) converter as an alternative to conventional Si-IGBT, due to its higher switching frequency potential, smaller switching losses as well as the capability to... Read More about Device loss model of a fully SiC based dual active bridge considering the effect of synchronous rectification and deadtime.

Operation principles of quasi Z-source modular multilevel converters (2018)
Conference Proceeding

This paper proposes the integration of a quasi Z-source network with a modular multilevel converter (MMC) to provide voltage boost capability. The proposed quasi-Z-source MMC uses two symmetrical networks of inductors and capacitors connected between... Read More about Operation principles of quasi Z-source modular multilevel converters.

Morphological Characterisation of Diesel Soot in Oil and the Associated Extraction Dependence (2018)
Conference Proceeding

The size and morphology of soot particles and agglomerates extracted from lubricating oil drawn from the sump of a diesel engine have been investigated and compared using Transmission Electron Microscopy (TEM) and Nanoparticle Tracking Analysis (NTA)... Read More about Morphological Characterisation of Diesel Soot in Oil and the Associated Extraction Dependence.

How stress affects functional near-infrared spectroscopy (fNIRS) measurements of mental workload (2018)
Conference Proceeding

Recent work has demonstrated that functional Near-Infrared Spectroscopy has the potential to measure changes in Mental Workload with increasing ecological validity. It is not clear, however, whether these measurements are affected by anxiety and stre... Read More about How stress affects functional near-infrared spectroscopy (fNIRS) measurements of mental workload.

Common shared system model for evolvable assembly systems (2018)
Conference Proceeding

A vital aspect of distributed control in an adaptable production system is coherence between each system resource. The Evolvable Assembly Systems project addresses this challenge using a common shared system model. This paper provides an overview of... Read More about Common shared system model for evolvable assembly systems.

Low-Cost Automatic Ambient Assisted Living System (2018)
Conference Proceeding

The recent increase in ageing population in countries around the world has brought a lot of attention toward research and development of ambient assisted living (AAL) systems. These systems should be inexpensive to be installed in elderly homes, prot... Read More about Low-Cost Automatic Ambient Assisted Living System.

Design and testing of electromechanical actuator for aerospace applications (2018)
Conference Proceeding

Electromechanical actuators are gaining interest in the aerospace industry within the More Electrical Aircraft (MEA) architecture. The end-goal of fully electric aircraft includes Electromechanical actuation for flight control systems. The design and... Read More about Design and testing of electromechanical actuator for aerospace applications.

Comparison of thermal and reliability performance between a SiC MOSFET module with embedded decoupling capacitors and commercial Si IGBT power modules (2018)
Conference Proceeding

This paper characterizes thermal and reliability performance of a SiC MOSFET power module with embedded decoupling capacitors and without anti-parallel diodes. Active and passive temperature cycling, supported by transient thermal impedance character... Read More about Comparison of thermal and reliability performance between a SiC MOSFET module with embedded decoupling capacitors and commercial Si IGBT power modules.

Proposal of a design pattern for embedding the concept of social forces in human centric simulation models (2018)
Conference Proceeding

There exist many papers that explain the social force model and its application for modelling pedestrian dynamics. None of these papers, however, explains how to implement the social force model in order to use it for systems simulation studies. In t... Read More about Proposal of a design pattern for embedding the concept of social forces in human centric simulation models.

Come and play: interactive theatre for early years (2018)
Conference Proceeding

The convergence of theatre and digital technologies can play a valuable role in theatre for early years, but, how an audience of under-5’s experiences and engages with these spaces is largely unexplored. We present an interactive performance installa... Read More about Come and play: interactive theatre for early years.