All Outputs (346)

Measuring the similarity between zSlices general type-2 fuzzy sets with non-normal Secondary membership functions (2016)
Conference Proceeding

This paper presents a method of measuring the similarity between general type-2 fuzzy sets that may have non-normal secondary membership functions. Such fuzzy sets are increasingly common in applications such as the modelling of the subjective meanin... Read More about Measuring the similarity between zSlices general type-2 fuzzy sets with non-normal Secondary membership functions.

A comparative study on the control of Quadcopter UAVs by using singleton and non-singleton fuzzy logic controllers (2016)
Conference Proceeding

Fuzzy logic controllers (FLCs) have extensively been used for the autonomous control and guidance of unmanned aerial vehicles (UAVs) due to their capability of handling uncertainties and delivering adequate control without the need for a precise, mat... Read More about A comparative study on the control of Quadcopter UAVs by using singleton and non-singleton fuzzy logic controllers.

Modelling uncertainty in production processes using non-singleton fuzzification and fuzzy cognitive maps: a virgin olive oil case study (2016)
Conference Proceeding

Decision support systems (DSSs) are a convenient tool to aid plant operators in the selection of process set points. Inputs to these systems for variables that are not easily measured online often come from assessments made by experts, with an associ... Read More about Modelling uncertainty in production processes using non-singleton fuzzification and fuzzy cognitive maps: a virgin olive oil case study.

Impulse transformer based secondary-side self-powered gate-driver for wide-range PWM operation of SiC power MOSFETs (2016)
Conference Proceeding

This work proposes a solution for an isolated gate driver for SiC MOSFETs, based on a magnetic transformer that simultaneously provides to the secondary side the turn-on and turn-off gate signals and the power required for an adequate gate control. T... Read More about Impulse transformer based secondary-side self-powered gate-driver for wide-range PWM operation of SiC power MOSFETs.

SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions (2016)
Conference Proceeding

SiC and GaN power transistors switching energy are compared in this paper. In order to compare switching energy Esw of the same power rating device, a theoretical analysis is given to compare SiC device conduction loss and switching losses change whe... Read More about SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions.

Impact of SiC technology in a three-port active bridge converter for energy storage integrated solid state transformer applications (2016)
Conference Proceeding

Silicon Carbide (SiC) MOSFET power module has become commercially available in the past few years, and it is attractive in solid state transformers (SSTs) applications to replace Silicon (Si)-based IGBTs. This paper is focused on the efficiency compa... Read More about Impact of SiC technology in a three-port active bridge converter for energy storage integrated solid state transformer applications.

Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets (2016)
Conference Proceeding

This paper details the design process of a high performance electrical machine with the objective of achieving US Department of Energy FreedomCar 2020 targets, namely meeting the high speed efficiency requirement without sacrificing performance elsew... Read More about Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets.

Assessment of cooling methods for increased power density in electrical machines (2016)
Conference Proceeding

A comprehensive thermal analysis of three different electrical machines is presented, with a view of identifying design aspects that can be exploited to achieve higher power density. A review of some novel cooling methods is initially made. Following... Read More about Assessment of cooling methods for increased power density in electrical machines.

Conceptual design of battery energy storage for aircraft hybrid propulsion system (2016)
Conference Proceeding

The paper presents a conceptual design approach for Energy Storage (ES) devices in advanced hybrid propulsion system for small aircrafts. The study targets operational improvement and reduction of fuel consumption for different flight missions. Power... Read More about Conceptual design of battery energy storage for aircraft hybrid propulsion system.

Realising energy-aware communication over fading channels under QoS constraints (2016)
Conference Proceeding

There exists a trade-off between energy consumption and spectral efficiency in wireless communication systems under quality of service (QoS) constraints. This paper studies the use of effective capacity theory to characterise the maximum supported ch... Read More about Realising energy-aware communication over fading channels under QoS constraints.

Compounding and rheometry of PLA nanocomposites with coated and uncoated hydroxyapatite nanoplatelets (2016)
Conference Proceeding

Polylactic acid and novel nanoplatelets of hydroxyapatite (HANP) were compounded in a laboratory scale twin-screw extruder and injection moulded to shape. The effect of HANP loading content, between 1 wt% and 10 wt%, and of HANP surface coating with... Read More about Compounding and rheometry of PLA nanocomposites with coated and uncoated hydroxyapatite nanoplatelets.

Predictive analytics for enhancing travel time estimation in navigation apps of Apple, Google, and Microsoft (2016)
Conference Proceeding

The explosive growth of the location-enabled devices coupled with the increasing use of Internet services has led to an increasing awareness of the importance and usage of geospatial information in many applications. The mobile navigation apps (often... Read More about Predictive analytics for enhancing travel time estimation in navigation apps of Apple, Google, and Microsoft.

New configurations of power converters for grid interconnection systems (2016)
Conference Proceeding

The increased penetration of renewable energy sources and other distributed energy sources has been seen nowadays. In this scenario power converters play a crucial role by providing the interconnection of these energy sources. This paper presents new... Read More about New configurations of power converters for grid interconnection systems.

Measurement noise of a coherence scanning interferometer in an industrial environment (2016)
Conference Proceeding

Systematic search for local-search SAT heuristics (2016)
Conference Proceeding

Heuristics for local-search are a commonly used method of improving the performance of algorithms that solve hard computational problems. Generally these are written by human experts, however a long-standing research goal has been to automate the con... Read More about Systematic search for local-search SAT heuristics.

A low capacitance single-phase AC-DC converter with inherent power ripple decoupling (2016)
Conference Proceeding

This paper proposes a new single-phase AC-DC conversion topology with inherent power ripple decoupling, based on the combination of a PWM H-bridge inverter, an AC side LC filter and a ZVS line commutated H-bridge. A capacitor on the AC side is used a... Read More about A low capacitance single-phase AC-DC converter with inherent power ripple decoupling.

Hybrid inverter arrangements to facilitate reduced switching losses of the main inverter (2016)
Conference Proceeding

This paper investigates two hybrid inverter topologies consisting of a slow switching DC/AC main voltage source inverter and output series connected low-voltage rated, fast switching auxiliary inverters that may be suitable for medium and high voltag... Read More about Hybrid inverter arrangements to facilitate reduced switching losses of the main inverter.

The application of the modular multilevel matrix converter in high-power wind turbines (2016)
Conference Proceeding

The trend in wind turbines has shown an ongoing power rating growth, reaching sizes up to 10 MW. Multilevel converters have therefore become a favourable solution for Multi-MW Wind Energy Conversion Systems (WECSs), due to high efficiency, reliabilit... Read More about The application of the modular multilevel matrix converter in high-power wind turbines.

A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms (2016)
Conference Proceeding

This paper presents the steady-state analysis of a high power step-up DC-DC converter based three-phase dual active bridge (3DAB) for use as a medium voltage (MV) DC-DC collector of offshore wind farms. An optimization procedure for a high-power medi... Read More about A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms.

A novel full soft-switching resonant power converter for mid-feeder voltage regulation of low voltage distribution network (2016)
Conference Proceeding

This paper presents a novel resonant based, high power density power electronics converter solution for mid-feeder voltage regulation of a low voltage (LV) distribution network. Owing to the use of high switching frequency operation and a full soft-s... Read More about A novel full soft-switching resonant power converter for mid-feeder voltage regulation of low voltage distribution network.