All Outputs (93)

Developing classification and regression based machine learning algorithms for bank loan approval and stock market prediction problems (2024)
Thesis
Mistry, K. A. J. Developing classification and regression based machine learning algorithms for bank loan approval and stock market prediction problems. (Thesis). Keele University. https://keele-repository.worktribe.com/output/956367

Developing machine learning (ML) algorithms to predict unseen data based on the trends of existing data has always been very challenging. Its technology demand to be applied to a wide range of problems is very high and is only expected to rise. Altho... Read More about Developing classification and regression based machine learning algorithms for bank loan approval and stock market prediction problems.

Hopf-Galois module structure of some non-normal extensions (2024)
Thesis
Prestidge, G. T. Hopf-Galois module structure of some non-normal extensions. (Thesis). Keele University. https://keele-repository.worktribe.com/output/850279

We use Hopf-Galois theory to study the structure of rings of algebraic integers in some non-normal extensions of number fields which are tamely ramified, generalising results of Del Corso and Rossi for tamely ramified Kummer extensions.

Firstly w... Read More about Hopf-Galois module structure of some non-normal extensions.

New approaches to diagnosing exact recurrent flows embedded in two-dimensional turbulence (2024)
Thesis
Redfern, E. M. New approaches to diagnosing exact recurrent flows embedded in two-dimensional turbulence. (Thesis). Keele University. https://keele-repository.worktribe.com/output/775657

Turbulent flow is often viewed as a trajectory wandering through a high dimensional phase-space, momentarily visiting the neighbourhood of unstable invariant solutions, e.g. unstable periodic orbits, travelling waves and equilibria. Periodic orbit th... Read More about New approaches to diagnosing exact recurrent flows embedded in two-dimensional turbulence.

Modelling and forecasting oil market volatility: A regime switching GARCH MIDAS approach (2023)
Thesis
Tirkishova, M. Modelling and forecasting oil market volatility: A regime switching GARCH MIDAS approach. (Thesis). Keele University. https://keele-repository.worktribe.com/output/598023

In this thesis, we consider a regime switching GARCH MIDAS model with Student-t innovations. By allowing the error term to be non-Gaussian, we want to see how effective it is in describing the volatility displayed in financial time series. For the lo... Read More about Modelling and forecasting oil market volatility: A regime switching GARCH MIDAS approach.

Deep Reinforcement Learning for Smart Energy Networks (2023)
Thesis
Harrold, D. J. B. Deep Reinforcement Learning for Smart Energy Networks. (Thesis). Keele University. https://keele-repository.worktribe.com/output/530054

To reduce global greenhouse gas emissions, the world must find intelligent solutions to maximise the utilisation of carbon-free renewable energy sources (RES). Energy storage systems (ESS) can be used to store energy when RES generation exceeds deman... Read More about Deep Reinforcement Learning for Smart Energy Networks.

A study of mechanical and capillary bifurcation phenomena in soft elastic materials (2023)
Thesis
Emery, D. R. A study of mechanical and capillary bifurcation phenomena in soft elastic materials. (Thesis). Keele University. https://keele-repository.worktribe.com/output/515651

Stress-induced pattern formations in soft elastic materials are bifurcation phenomena which can be localized or periodic. Certain localized pattern formations such as necking or bulging are associated with zero wavenumber, whereas periodic pattern fo... Read More about A study of mechanical and capillary bifurcation phenomena in soft elastic materials.

User-centred design of bedside clinical guidelines for mobile devices (2022)
Thesis
Mitchell, J. A. User-centred design of bedside clinical guidelines for mobile devices. (Thesis). Keele University. https://keele-repository.worktribe.com/output/423514

Local point of care clinical guidelines exist in numerous formats and cover a variety of clinical information, normally created on a national and local level. They are generally available as basic web pages, PDFs or documents. Despite widespread avai... Read More about User-centred design of bedside clinical guidelines for mobile devices.

Neuroevolution of bipedal locomotion: algorithmic, balance penalty and morphological improvements for improved robustness and performance (2022)
Thesis
Jackson, B. Neuroevolution of bipedal locomotion: algorithmic, balance penalty and morphological improvements for improved robustness and performance. (Thesis). Keele University. https://keele-repository.worktribe.com/output/423515

Bipedalism is theorised to have emerged in humans in order to enable endurance running and tool use via the hands. It is one of the most complex styles of locomotion, with agents typically having a high center of mass and two feet very close together... Read More about Neuroevolution of bipedal locomotion: algorithmic, balance penalty and morphological improvements for improved robustness and performance.

Evaluation of wearable epileptic seizure monitors (2022)
Thesis
Rukasha, T. Evaluation of wearable epileptic seizure monitors. (Thesis). Keele University. https://keele-repository.worktribe.com/output/422674

The research presented in this thesis contributes to the evaluation and future evolution of wearable epilepsy seizure monitoring devices with a systematic literature review and three research studies that include two device evaluation studies, and a... Read More about Evaluation of wearable epileptic seizure monitors.

Asymptotic analysis of multi-layered waveguides with contrast parameters (2021)
Thesis
Alkinidri, M. O. S. Asymptotic analysis of multi-layered waveguides with contrast parameters. (Thesis). Keele University. https://keele-repository.worktribe.com/output/420366

The research is investigating anti-plane shear of a strongly inhomogeneous dynamic asymmetric laminate. Two types of contrast are considered, including those for composite structures with thick or thin stiff outer layers. In all types of contrast, th... Read More about Asymptotic analysis of multi-layered waveguides with contrast parameters.

Asymptotic models for surface waves in coated elastic solids (2021)
Thesis
Mubaraki, A. M. A. Asymptotic models for surface waves in coated elastic solids. (Thesis). Keele University. https://keele-repository.worktribe.com/output/420368

This thesis deals with surface wave propagation in elastic solids. It develops further the methodology of asymptotic hyperbolic-elliptic models for the surface elastic waves, aiming at two main areas, namely, accounting for the effects of a thin coat... Read More about Asymptotic models for surface waves in coated elastic solids.

Collapses of linearly decaying three-dimensional perturbations in homogeneous and weakly stratified boundary layers (2020)
Thesis
Oloo, J. O. Collapses of linearly decaying three-dimensional perturbations in homogeneous and weakly stratified boundary layers. (Thesis). Keele University. https://keele-repository.worktribe.com/output/418970

The physical mechanisms of why an orderly laminar flow suddenly becomes turbulent are still poorly understood, despite more than a century of incessant efforts. The thesis puts forward a radically new approach to understanding of the fundamental chal... Read More about Collapses of linearly decaying three-dimensional perturbations in homogeneous and weakly stratified boundary layers.

Non-Newtonian and non-isothermal effects in the gravity-driven draining of a vertically-aligned thin liquid film (2020)
Thesis
Alahmadi, H. N. Non-Newtonian and non-isothermal effects in the gravity-driven draining of a vertically-aligned thin liquid film. (Thesis). Keele University. https://keele-repository.worktribe.com/output/418101

The drainage and thinning of liquid films are important in a variety of applications,such as in liquid and solid foam networks, relevant in the manufacture of metallic and ceramic foams, the food industry, processing in the petro-chemical industry, a... Read More about Non-Newtonian and non-isothermal effects in the gravity-driven draining of a vertically-aligned thin liquid film.

Assessing the usability of virtual learning environments in higher education (2020)
Thesis
Abuhlfaia, K. M. O. Assessing the usability of virtual learning environments in higher education. (Thesis). Keele University. https://keele-repository.worktribe.com/output/418095

Context: E-learning is an integral part of the modern higher education system, and therefore it is essential that students and staff are able to use systems that support E-learning, such as Virtual Learning Environments (VLEs), effectively. Usability... Read More about Assessing the usability of virtual learning environments in higher education.

Mathematical modelling of cartilage and bone defect healing after cell implantation (2020)
Thesis
Campbell, K. Mathematical modelling of cartilage and bone defect healing after cell implantation. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417388

This thesis is concerned with mathematically modelling the regeneration of cartilage and cartilage-bone defects. Defects of the bone-cartilage unit, namely chondral and osteochondral defects, are a leading cause of osteoarthritis, the most common typ... Read More about Mathematical modelling of cartilage and bone defect healing after cell implantation.

Long wave anti-plane motion in pre-stressed elastic laminates (2020)
Thesis
Mohammed Helmi, M. Long wave anti-plane motion in pre-stressed elastic laminates. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417184

The propagation of long waves along pre-stressed compressible elastic laminates is considered, focusing on anti-plane shear type waves. Within this thesis we investigate the mechanical response of this type of motion for a class of compressible pre-s... Read More about Long wave anti-plane motion in pre-stressed elastic laminates.

Control and suppression of elastic waves using periodic metasurfaces and bridges (2020)
Thesis
Wootton, P. T. Control and suppression of elastic waves using periodic metasurfaces and bridges. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417288

This thesis discusses how wave propagation in continuous linearly elastic media can be controlled or suppressed using periodic structures. This involves controlling 2D waves on a membrane, 3D longitudinal and transverse waves in a linearly elastic bu... Read More about Control and suppression of elastic waves using periodic metasurfaces and bridges.

Hopf-Galois module structure of a class of tame quaternionic fields (2020)
Thesis
Taylor, S. J. Hopf-Galois module structure of a class of tame quaternionic fields. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417291

We study the Hopf-Galois module structure of rings of integers in tame Galois extensions L=F of global fields with Galois group isomorphic to the quaternion group of order 8. We determine explicitly the Hopf algebras giving Hopf-Galois structures on... Read More about Hopf-Galois module structure of a class of tame quaternionic fields.

Localized bulging in an inflated hyperelastic tube: the effects of rotation, multi-layering and torsion (2020)
Thesis
Althobaiti, A. A. K. Localized bulging in an inflated hyperelastic tube: the effects of rotation, multi-layering and torsion. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417255

In this thesis, we start by considering a hyperelastic circular solid cylinder or tube that is rotating about its axis of symmetry with angular velocity ω. If the resultant axial force F is fixed, it is shown that the bifurcation condition for a soli... Read More about Localized bulging in an inflated hyperelastic tube: the effects of rotation, multi-layering and torsion.

Evolving developmental, recurrent and convolutional neural networks for deliberate motion planning in sparse reward tasks (2020)
Thesis
Jolley, B. P. Evolving developmental, recurrent and convolutional neural networks for deliberate motion planning in sparse reward tasks. (Thesis). Keele University. https://keele-repository.worktribe.com/output/417191

Motion planning algorithms have seen a diverse set of approaches in a variety of disciplines. In the domain of artificial evolutionary systems, motion planning has been included in models to achieve sophisticated deliberate behaviours. These algorith... Read More about Evolving developmental, recurrent and convolutional neural networks for deliberate motion planning in sparse reward tasks.