All Outputs (1439)

Ballistic protective properties of material representative of English civil war buff-coats and clothing (2020)
Journal Article

One type of clothing system used in the English Civil War, more common amongst cavalrymen than infantrymen, was the linen shirt, wool waistcoat and buff-coat. Ballistic testing was conducted to estimate the velocity at which 50% of 12-bore lead spher... Read More about Ballistic protective properties of material representative of English civil war buff-coats and clothing.

Identifying the immediate and remote causes of pipeline disasters in Nigeria (2020)
Journal Article

Integrated supply–demand energy management for optimal design of off-grid hybrid renewable energy systems for residential electrification in arid climates (2020)
Journal Article

The growing research interest in hybrid renewable energy systems (HRESs) has been regarded as a natural and yet critical response to address the challenge of rural electrification. Based on a Bibliometric analysis performed by authors, it was conclud... Read More about Integrated supply–demand energy management for optimal design of off-grid hybrid renewable energy systems for residential electrification in arid climates.

Algorithms for U-model-based dynamic inversion (UM-dynamic inversion) for continuous time control systems (2020)
Journal Article

To setup a universal proper user toolbox from previous individual research publications, this study generalises the algorithms for the U-model dynamic inversion based on the realisation of U-model from polynomial and state-space described continuous-... Read More about Algorithms for U-model-based dynamic inversion (UM-dynamic inversion) for continuous time control systems.

Disturbance observer enhanced variable gain controller for robot teleoperation with motion capture using wearable armbands (2020)
Journal Article

Disturbance observer (DOB) based controller performs well in estimating and compensating for perturbation when the external or internal unknown disturbance is slowly time varying. However, to some extent, robot manipulators usually work in complex en... Read More about Disturbance observer enhanced variable gain controller for robot teleoperation with motion capture using wearable armbands.

In situ characterization of trans-laminar fracture toughness using X-ray Computed Tomography (2020)
Journal Article

The change in the critical strain energy release rate as damage evolves, known as the R-curve, is of crucial importance to the understanding of fracture behaviour. The examination of damage evolution ahead of the crack tip in order to determine accur... Read More about In situ characterization of trans-laminar fracture toughness using X-ray Computed Tomography.

Case study using Python in the teaching of numerical analysis (2020)
Journal Article

In this case study we describe the rationale, methodology and results of teaching Python as part of a third year optional Numerical Analysis module taken by undergraduate BSc Mathematics students at the University of the West of England, Bristol. In... Read More about Case study using Python in the teaching of numerical analysis.

Population implications of cessation of IVF during the COVID-19 pandemic (2020)
Journal Article

Research question: Discontinuation of IVF cycles has been part of the radical transformation of healthcare provision to enable reallocation of staff and resources to deal with the COVID-19 pandemic. This study sought to estimate the impact of cessati... Read More about Population implications of cessation of IVF during the COVID-19 pandemic.

Novel tape termination method for automated fibre placement: Cutting characteristics and delamination suppression (2020)
Journal Article

A novel tape termination method for tapering the ply end and removing the fibre discontinuity owing to a dropped ply in a tapered composite was demonstrated. The forces required for this process – referred to as tape scarfing – were experimentally in... Read More about Novel tape termination method for automated fibre placement: Cutting characteristics and delamination suppression.

Complete microbial fuel cell fabrication using additive layer manufacturing (2020)
Journal Article

Improving the efficiency of microbial fuel cell (MFC) technology by enhancing the system performance and reducing the production cost is essential for commercialisation. In this study, building an additive manufacturing (AM)-built MFC comprising all... Read More about Complete microbial fuel cell fabrication using additive layer manufacturing.

An experimental study of scaling effects in notched quasi-isotropic carbon/epoxy laminates under compressive loads (2020)
Journal Article

The size effects in centre-notched quasi-isotropic carbon/epoxy laminates under compression were investigated. The in-plane dimensions of the baseline specimen were scaled up by a factor of up to 14. The centre-notched specimens were compared to open... Read More about An experimental study of scaling effects in notched quasi-isotropic carbon/epoxy laminates under compressive loads.

The utility of psychological measures in evaluating perceived usability of automated vehicle interfaces – A study with older adults (2020)
Journal Article

© 2020 Elsevier Ltd The design of the traditional vehicle human-machine interfaces (HMIs) is undergoing major change as we move towards fully connected and automated vehicles (CAVs). Given the diversity of user requirements and preferences, it is vit... Read More about The utility of psychological measures in evaluating perceived usability of automated vehicle interfaces – A study with older adults.

U-Model and U-Control methodology for nonlinear dynamic systems (2020)
Journal Article

This study presents the fundamental concepts and technical details of a U-model-based control (U-control for short) system design framework, including U-model realisation from classic model sets, control system design procedures, and simulated showca... Read More about U-Model and U-Control methodology for nonlinear dynamic systems.

A connected autonomous vehicle testbed: Capabilities, experimental processes and lessons learned (2020)
Journal Article

VENTURER was one of the first three UK government funded research and innovation projects on Connected Autonomous Vehicles (CAVs) and was conducted predominantly in the South West region of the country. A series of increasingly complex scenarios cond... Read More about A connected autonomous vehicle testbed: Capabilities, experimental processes and lessons learned.

Improved gradient descent algorithms for time-delay rational state-space systems: Intelligent search method and momentum method (2020)
Journal Article

This study proposes two improved gradient descent parameter estimation algorithms for rational state-space models with time-delay. These two algorithms, based on intelligent search method and momentum method, can simultaneously estimate the time-dela... Read More about Improved gradient descent algorithms for time-delay rational state-space systems: Intelligent search method and momentum method.

Assessment of stress-blended eddy simulation model for accurate performance prediction of vertical axis wind turbine (2020)
Journal Article

Purpose: The aim of this paper is to assess the ability of a stress-blended eddy simulation (SBES) turbulence model to predict the performance of a three-straight-bladed vertical axis wind turbine (VAWT). The grid sensitivity study is conducted to ev... Read More about Assessment of stress-blended eddy simulation model for accurate performance prediction of vertical axis wind turbine.

On the turbulence amplification in shock-wave/turbulent boundary layer interaction (2020)
Journal Article

The mechanism of turbulence amplification in shock-wave/boundary layer interactions is reviewed, and a new turbulence amplification mechanism is proposed based on the analysis of data from direct numerical simulation of an oblique shock-wave/flat-pla... Read More about On the turbulence amplification in shock-wave/turbulent boundary layer interaction.

Novel joint-drift-free scheme at acceleration level for robotic redundancy resolution with tracking error theoretically eliminated (2020)
Journal Article

In this article, three acceleration-level joint-drift-free (ALJDF) schemes for kinematic control of redundant manipulators are proposed and analyzed from perspectives of dynamics and kinematics with the corresponding tracking error analyses. First, t... Read More about Novel joint-drift-free scheme at acceleration level for robotic redundancy resolution with tracking error theoretically eliminated.

Effect of out-of-plane wrinkles in curved multi-directional carbon/epoxy laminates (2020)
Journal Article

Defects such as out-of-plane wrinkles are known to strongly affect in-plane strength but there has been very little research on their effect on out-of-plane properties. Experimental and numerical studies of multi-directional curved-beam laminates wer... Read More about Effect of out-of-plane wrinkles in curved multi-directional carbon/epoxy laminates.

Model-based information navigation for engineering documents (2020)
Journal Article

Engineering and the manner in which engineers think is largely visual and functional, and yet engineers are typically provided with search engines that are text-based. While software based on a visual and functional ethos exist (CAD for example), whe... Read More about Model-based information navigation for engineering documents.