All Outputs (63)

Adaptive stiffness in lattice metastructures through tensile-buckling inspired topology morphing (2023)
Journal Article

This paper explores the use of simultaneous tensile buckling of unit cells to induce a transformation in lattice topology. Under tension, unit cells undergo passive transformation from a rectangle-like to a triangle-/pentagon-like topology, with an a... Read More about Adaptive stiffness in lattice metastructures through tensile-buckling inspired topology morphing.

Condition assessment criteria evaluation of asymmetric aged and fully aged silicone rubber insulators based on leakage current harmonics (2023)
Journal Article

The leakage current characteristic monitoring of transmission line insulators is considered a worthy technique for insulator state prediction. In this paper, the harmonic analysis of leakage current signals has been performed to analyze the composite... Read More about Condition assessment criteria evaluation of asymmetric aged and fully aged silicone rubber insulators based on leakage current harmonics.

Lessons learned: Symbiotic autonomous robot ecosystem for nuclear environments (2023)
Journal Article

AbstractNuclear facilities have a regulatory requirement to measure radiation levels within Post Operational Clean Out (POCO) around nuclear facilities each year, resulting in a trend towards robotic deployments to gain an improved understanding duri... Read More about Lessons learned: Symbiotic autonomous robot ecosystem for nuclear environments.

Network-wide safety impacts of dedicated lanes for connected and autonomous vehicles (2023)
Journal Article

Cooperative, Connected and Automated Mobility (CCAM) enabled by Connected and Autonomous Vehicles (CAVs) has potential to change future transport systems. The findings from previous studies suggest that these technologies will improve traffic flow, r... Read More about Network-wide safety impacts of dedicated lanes for connected and autonomous vehicles.

Evaluation of frameworks that combine evolution and learning to design robots in complex morphological spaces (2023)
Journal Article

Jointly optimising both the body and brain of a robot is known to be a challenging task, especially when attempting to evolve designs in simulation that will subsequently be built in the real world. To address this, it is increasingly common to combi... Read More about Evaluation of frameworks that combine evolution and learning to design robots in complex morphological spaces.

Exploration of the impact of junction characteristics on pedestrian red light violation (2023)
Journal Article

The design of the geometry and traffic controls at signalised junctions is often focused on the level of service offered to motor vehicles and rarely considers the level of service offered to pedestrians. This results in pedestrian adopting illegal a... Read More about Exploration of the impact of junction characteristics on pedestrian red light violation.

An iterative numerical approach to evaluate the variable friction coefficient of steel AMS5643 using ring compression tests (2023)
Journal Article

The coefficient of friction is an important variable that must be defined to allow the accurate prediction of the forming geometry and stresses involved in metal forming processes. Literature reports have shown that the coefficient of friction does n... Read More about An iterative numerical approach to evaluate the variable friction coefficient of steel AMS5643 using ring compression tests.

Viability of calcinated wastepaper sludge ash geopolymer in the treatment of road pavement subgrade materials (2023)
Journal Article

Problematic ground conditions constituted by weak or expansive clays are commonly encountered in construction projects and require some form of chemical treatment such as lime and cement to re-engineer their performance. However, in the light of the... Read More about Viability of calcinated wastepaper sludge ash geopolymer in the treatment of road pavement subgrade materials.

Assessment of critical parameters affecting the behaviour of bearing reinforced concrete walls under fire exposure (2023)
Journal Article

Purpose: This research paper aims to investigate reinforced concrete (RC) walls' behaviour under fire and identify the thermal and mechanical factors that affect their performance. Design/methodology/approach: A three-dimensional (3D) finite element... Read More about Assessment of critical parameters affecting the behaviour of bearing reinforced concrete walls under fire exposure.

Numerical modelling of rainfall influence on the susceptibility of a slope to sliding under induced compression (2023)
Journal Article

This study examines the pore water pressure responses and stability of an unsaturated–saturated consolidating slope under the influence of rainfall infiltration. Analysis of slope behaviour was carried out with the results obtained for soils having s... Read More about Numerical modelling of rainfall influence on the susceptibility of a slope to sliding under induced compression.

A phenomenological inquiry of building and living in European Earthship homes (2023)
Journal Article

Earthships remain a relatively under explored type of sustainable/alternative home. This is the first study to investigate the personal experiences of constructing and living in European Earthship-homes. The aim of this study is to reveal insights in... Read More about A phenomenological inquiry of building and living in European Earthship homes.

A methodology for renovation of micro-hydropower plants: A case study using a turgo turbine in Nepal (2023)
Journal Article

For off-grid communities, micro-hydropower continues to provide affordable and reliable electricity access across the world. In Nepal, despite ongoing development of large-scale hydropower projects and the extension of the national grid, there remain... Read More about A methodology for renovation of micro-hydropower plants: A case study using a turgo turbine in Nepal.

Numerical analysis of the performance of a composite marine propeller blade subject to structural blade oscillations (2023)
Journal Article

High-fidelity Large Eddy Simulations (LES) are conducted over the oscillating marine propeller blades to investigate the effects of blade oscillation on the unsteady flow behaviour as well as to analyse the performance of the composite marine propell... Read More about Numerical analysis of the performance of a composite marine propeller blade subject to structural blade oscillations.

Data-driven approach for upper limb fatigue estimation based on wearable sensors (2023)
Journal Article

Muscle fatigue is defined as a reduced ability to maintain maximal strength during voluntary contraction. It is associated with musculoskeletal disorders that affect workers performing repetitive activities, affecting their performance and well-being... Read More about Data-driven approach for upper limb fatigue estimation based on wearable sensors.

Insights into technical challenges in the field of microplastic pollution through the lens of early career researchers (ECRs) and a proposed pathway forward (2023)
Journal Article

Early career researchers (ECR) face a series of challenges related to the inherent difficulties of starting their careers. Microplastic (MP) research is a topical field attracting high numbers of ECRs with diverse backgrounds and expertise from a wea... Read More about Insights into technical challenges in the field of microplastic pollution through the lens of early career researchers (ECRs) and a proposed pathway forward.

A methodology to support robotic polishing of moulds integrated with CAD/CAM (2023)
Journal Article

Typically, the final process in the manufacture of molds is mechanical polishing, a process predominantly conducted manually. This is an important process step to improve the surface quality of the mold without affecting the geometry of the cavity. C... Read More about A methodology to support robotic polishing of moulds integrated with CAD/CAM.

Determining the source water and active root depth of woody plants using a deuterium tracer at a Savannah site in northern Stampriet Basin, Namibia (2023)
Journal Article

Woody plants play a significant role in the global water cycle through water uptake by roots and evapotranspiration. A deuterium tracer was used to assess the active root depths for Salvia mellifera and Boscia albitrunca in the Ebenhaezer area (weste... Read More about Determining the source water and active root depth of woody plants using a deuterium tracer at a Savannah site in northern Stampriet Basin, Namibia.

Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances (2023)
Journal Article

The modelling uncertainties, external disturbance and actuator saturation issues will degrade the performance and even the safety of flight. To improve control performance, this study proposes an adaptive U-model based double sliding control (UDSMC)... Read More about Adaptive sliding mode attitude control of 2-degrees-of-freedom helicopter system with actuator saturation and disturbances.

Performance enhancement of vehicle suspension system with geometrically nonlinear inerters (2023)
Journal Article

This research investigates the nonlinear dynamics and performance enhancement of a suspension system using a diamond-shaped linkage with inerter (D-inerter). The proposed suspension system consists of two inerters embedded in a four-bar linkage mecha... Read More about Performance enhancement of vehicle suspension system with geometrically nonlinear inerters.

LGI-rPPG-Net: A shallow encoder-decoder model for rPPG signal estimation from facial video streams (2023)
Journal Article

A method to accurately estimate physiological signals from video streams at a minimal cost is invaluable. The importance of such a technique in pre-clinical health monitoring cannot be understated. Remote photoplethysmography (rPPG) can be used as a... Read More about LGI-rPPG-Net: A shallow encoder-decoder model for rPPG signal estimation from facial video streams.