All Outputs (359)

The NoXi database: multimodal recordings of mediated novice-expert interactions (2017)
Conference Proceeding

We present a novel multi-lingual database of natural dyadic novice-expert interactions, named NoXi, featuring screen-mediated dyadic human interactions in the context of information exchange and retrieval. NoXi is designed to provide spontaneous inte... Read More about The NoXi database: multimodal recordings of mediated novice-expert interactions.

A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems (2017)
Conference Proceeding

The neutral point voltage balancing issue for three level Neutral point clamped (NPC) converter has been extensively investigated recently. Different solutions to balance the neutral point have been proposed. However the proposed solutions so far eit... Read More about A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems.

Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator (2017)
Conference Proceeding

This paper presents an assessment of different torque ripple minimization techniques for more electric aircraft Switched Reluctance Machine (SRM) starter/generator (S/G). SRM is one of the most popular potential candidates for future aircraft S/G. SR... Read More about Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator.

3.3 kV SiC JBS diode configurable rectifier module (2017)
Conference Proceeding

This paper presents the use of innovative high-voltage SiC diode technology in the development of a user configurable full-wave or half-wave rectifier bridge. The devices are of merged Junction-Barrier-Schottky (JBS) type to enable for optimum perfor... Read More about 3.3 kV SiC JBS diode configurable rectifier module.

Using contextual information in the evaluation of the effectiveness of barriers restricting access to the main line at stations (2017)
Conference Proceeding

The use of fencing at railway stations to reduce the numbers of fatalities is a common safety intervention. This study examines the effectiveness of a mid-platform fencing programme as a means of preventing access to the track area. Two aspects of th... Read More about Using contextual information in the evaluation of the effectiveness of barriers restricting access to the main line at stations.

Evaluating rail suicide prevention measures (2017)
Conference Proceeding

Many rail safety interventions are implemented without sufficient consideration of the effectiveness of the intervention or the degree to which the intervention has been implemented. This paper describes a programme of work to develop, test and imple... Read More about Evaluating rail suicide prevention measures.

FPGA-based direct repetitive control for high performance ground power units (2017)
Conference Proceeding

This paper deals with a newly conceived control topology based on the Repetitive action in 4-leg VSI for stand-alone Ground Power Unit (GPU) applications. In such mode of operation, a dedicated controller has to regulate the inverter output voltages,... Read More about FPGA-based direct repetitive control for high performance ground power units.

Automated and scalable optimal control of three-phase embedded power grids including PLL (2017)
Conference Proceeding

Embedded grids have been increasingly adopted into applications such as More Electric Aircraft where different power converters are interconnected to each other. Interactions between the grid components poses the risk of instability to the system, mo... Read More about Automated and scalable optimal control of three-phase embedded power grids including PLL.

Integrated motor drive design for weight optimization (2017)
Conference Proceeding

The More-Electric Aircraft (MEA) concept has been introduced as part of the process of reducing the environmental impact of air travel. Incorporating more electrical systems including motor drives has become increasingly attractive researched. High p... Read More about Integrated motor drive design for weight optimization.

IGBT-SiC dual fed ground power unit (2017)
Conference Proceeding

This paper presents the design and control of a three-phase ground power supply unit for aircraft servicing. A new mixed technology converter composed by a three-phase Silicon Carbide (SiC) full bridge unit and a three-phase full bridge IGBT unit con... Read More about IGBT-SiC dual fed ground power unit.

Design recommendations for energy systems: a UK energy community study (2017)
Conference Proceeding

One of the key elements towards a decentralised energy sector is the consumers’ choice and participation, as the concept of energy prosumer is gaining more and more ground and energy community projects are spouting across UK. In order for the upcomin... Read More about Design recommendations for energy systems: a UK energy community study.

Visual landmark sequence-based indoor localization (2017)
Conference Proceeding

This paper presents a method that uses common objects as landmarks for smartphone-based indoor localization and navigation. First, a topological map marking relative positions of common objects such as doors, stairs and toilets is generated from floo... Read More about Visual landmark sequence-based indoor localization.

Performance improvement of simplified synchronous generators using an active power filter (2017)
Conference Proceeding

Active power filters (APF) are used to improve power quality and are commonly connected in parallel with the load at the point of common coupling (PCC). They are used to compensate for harmonics from nonlinear loads, for reactive power compensation a... Read More about Performance improvement of simplified synchronous generators using an active power filter.

Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter (2017)
Conference Proceeding

Three-phase Dual Active Bridge converter is advisable for the High-power DC-DC conversion system. In the ac link, galvanically isolated transformer operated at a medium frequency range provides stepping up or down of the secondary bridge voltage.... Read More about Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter.

Model predictive Direct Flux Vector Control of multi three-phase induction motor drives (2017)
Conference Proceeding

A model predictive control scheme for multiphase induction machines, configured as multi three-phase structures, is proposed in this paper. The predictive algorithm uses a Direct Flux Vector Control scheme based on a multi three-phase approach, where... Read More about Model predictive Direct Flux Vector Control of multi three-phase induction motor drives.

Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer (2017)
Conference Proceeding

Multi-megawatt scale isolated DC-DC converters are likely to become increasingly popular as means to interconnect the MVDC grids of different voltage levels. Three-phase dual active bridge DC-DC (3DAB) converters operating with the zero-voltage switc... Read More about Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer.

Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions (2017)
Conference Proceeding

This paper proposes a novel frequency-based predictive sequence extractor that allows to isolate the harmonic components of both voltages and currents needed for the control of grid-tied converters. The proposed method is based on a modification of t... Read More about Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions.

Cumulative attributes for pain intensity estimation (2017)
Conference Proceeding

Pain estimation from face video is a hard problem in automatic behaviour understanding. One major obstacle is the difficulty of collecting sufficient amounts of data, with balanced amounts of data for all pain intensity levels. To overcome this, we p... Read More about Cumulative attributes for pain intensity estimation.

Determining firing strengths through a novel similarity measure to enhance uncertainty handling in non-singleton fuzzy logic systems (2017)
Conference Proceeding

Non-singleton Fuzzy Logic Systems have the potential to tackle uncertainty within the design of fuzzy systems. The inference process has a major role in determining results, being partly based on the interaction of input and antecedent fuzzy sets (in... Read More about Determining firing strengths through a novel similarity measure to enhance uncertainty handling in non-singleton fuzzy logic systems.

Drawing (on) the Context: Scanning, Designing, Building (2017)
Conference Proceeding