All Outputs (16)

Cooperative continuum robots: Enhancing individual continuum arms by reconfiguring into a parallel manipulator (2021)
Journal Article

Continuum robots are able of in-situ inspection tasks in cluttered environments and narrow passages, where conventional robots and human operators cannot intervene. However, such intervention often requires the robot to interact with the environment,... Read More about Cooperative continuum robots: Enhancing individual continuum arms by reconfiguring into a parallel manipulator.

Towards the understanding the effect of surface integrity on the fatigue performance of silicon carbide particle reinforced aluminium matrix composites (2021)
Journal Article

The fatigue performance of metal matrix composites (MMCs) is highly related to their surface integrity due to the intensive tool-particle interactions and metallographic alterations of matrix, especially under extreme cutting parameters, which could... Read More about Towards the understanding the effect of surface integrity on the fatigue performance of silicon carbide particle reinforced aluminium matrix composites.

Analytical model for predicting residual stresses in abrasive waterjet peening (2021)
Journal Article

Abrasive waterjet peening (AWJP) is a new mechanical surface treatment where particles are delivered by a waterjet to induce plastic deformation and achieve surface strengthening effects on a workpiece. Although fatigue strength can be improved by in... Read More about Analytical model for predicting residual stresses in abrasive waterjet peening.

How non-conventional machining affects the surface integrity and magnetic properties of non-oriented electrical steel (2021)
Journal Article

Non-oriented electrical steel (NOES) laminations are commonly used to manufacture the rotor and stator core of electric machines. To achieve high machine efficiencies, it is desirable for these NOES laminations to be able to achieve a high saturation... Read More about How non-conventional machining affects the surface integrity and magnetic properties of non-oriented electrical steel.

Influence of surface integrity induced by multiple machining processes upon the fatigue performance of a nickel based superalloy (2021)
Journal Article

Machining operations are of key importance to the fatigue performance of nickel based superalloys due to the high thermal/mechanical loadings yielded on the machined workpiece which can significantly alter the surface integrity of the components. The... Read More about Influence of surface integrity induced by multiple machining processes upon the fatigue performance of a nickel based superalloy.

On the importance of stochasticity of composite workpiece structures for post-processing operations: An analysis of errors on fixturing problems (2021)
Journal Article

As woven composites have attracted the attention of high-value industries, their broader implementation should be supported by an enhanced understating of the impact that their characteristic uneven surface has on high-precision post-processing opera... Read More about On the importance of stochasticity of composite workpiece structures for post-processing operations: An analysis of errors on fixturing problems.

Regional temperature control in ceramic injection moulding: an approach based on cooling rate optimisation (2021)
Journal Article

The injection moulding of ceramic components with uneven wall thickness presents challenges due to differential cooling rates developing in the injected parts, which cause premature solidification of the feedstock at thin features and lead to detrime... Read More about Regional temperature control in ceramic injection moulding: an approach based on cooling rate optimisation.

An efficient follow-the-leader strategy for continuum robot navigation and coiling (2021)
Journal Article

Efficient path planning for hyper-redundant continuum and snake-like robots is a challenging task due to limited sensing capabilities, high computational loads, multiple possible solutions, and non-linear models. This paper presents a new approach to... Read More about An efficient follow-the-leader strategy for continuum robot navigation and coiling.

Towards understanding the thermal history of microstructural surface deformation when cutting a next generation powder metallurgy nickel-base superalloy (2021)
Journal Article

Despite the ongoing progress in metallurgical characterisation of machined surfaces, knowledge of the thermal conditions under which they originate during the workpiece-flank interaction is still lacking. When cutting advanced superalloys, little is... Read More about Towards understanding the thermal history of microstructural surface deformation when cutting a next generation powder metallurgy nickel-base superalloy.

Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution (2021)
Journal Article

Inertia friction welding (IFW) is a process used to create joints with high geometrical accuracy and near net shape form. To cope with the complex phenomena occurring during welding, the majority of available studies have analysed the interaction of... Read More about Signal-based analysis of the dynamic behaviour of the system in inertia friction welding and its impact on part contact evolution.

Revealing Nanoscale deformation mechanisms caused by shear-based material removal on individual grains of a Ni-based superalloy (2021)
Journal Article

Shear-based material removal processes significantly influence the quality of workpiece surface and implicitly the component functional performance. An in-situ SEM nano-cutting enabled the study of crystal flow and lattice rotation occurring below th... Read More about Revealing Nanoscale deformation mechanisms caused by shear-based material removal on individual grains of a Ni-based superalloy.

A kinematic coupling mechanism with binary electromagnetic actuators for high-precision positioning (2021)
Journal Article

Rather than working in a continuous range of motion, binary actuators can only maintain two positions. This lack of flexibility is compensated by high accuracy, repeatability, and reliability. These features make binary-actuated mechanisms appealing... Read More about A kinematic coupling mechanism with binary electromagnetic actuators for high-precision positioning.

Surface formation mechanism in waterjet guided laser cutting of a Ni-based superalloy (2021)
Journal Article

Waterjet guided laser (WJGL) cutting is a relatively new technology for high-precision machining of difficult-to-cut materials. However, its material removal mechanism presents some unique features because of the interaction between laser, waterjet a... Read More about Surface formation mechanism in waterjet guided laser cutting of a Ni-based superalloy.

Surface integrity in metal machining - Part II: Functional performance (2021)
Journal Article

Material removal operations play a pivotal role in the manufacture of key components, required for engineering systems to operate safely and efficiently under ever more advanced functional requirements and over extended life cycles. To further step u... Read More about Surface integrity in metal machining - Part II: Functional performance.

Design and Validation of a Novel Fuzzy-Logic-Based Static Feedback Controller for Tendon-Driven Continuum Robots (2021)
Journal Article

IEEE Continuum robots (CRs) outperform the conventional rigid-link manipulators in aspects of hyper-redundant and compliant features. They provide universal and efficient solutions to access to constrained environments, e.g., aero-engines and industr... Read More about Design and Validation of a Novel Fuzzy-Logic-Based Static Feedback Controller for Tendon-Driven Continuum Robots.

Machining-induced thermal damage in cortical bone: Necrosis and micro-mechanical integrity (2021)
Journal Article

In bone cutting, the tissue is exposed to necrosis due to temperature elevation, which can significantly influence postoperative results in orthopaedic surgeries. This damage is usually revealed through histological analysis to show the necrotic exte... Read More about Machining-induced thermal damage in cortical bone: Necrosis and micro-mechanical integrity.