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View article: A robust methodology for surface roughness characterisation of additive manufactured parts
A robust methodology for surface roughness characterisation of additive manufactured parts Open
Additively manufactured (AM) parts typically possess high surface roughness (∼5–30 μm) and large surface features, resulting from balling, partial sintering/melting, and staircase effects. However, there are few widely accepted/adopted met…
View article: Tiered blockchain framework: A secure, trustworthy, and cost-efficient solution for the digital rights protection
Tiered blockchain framework: A secure, trustworthy, and cost-efficient solution for the digital rights protection Open
Protecting Intellectual Property (IP) in the digital age presents significant challenges due to rapid technological advancements and industrial growth. Traditional methods of registering and securing IP are becoming increasingly ineffectiv…
View article: Effects of Powder Size Distribution on the Manufacturability and Microstructure of Fe-Co-V Alloy Fabricated via LPBF
Effects of Powder Size Distribution on the Manufacturability and Microstructure of Fe-Co-V Alloy Fabricated via LPBF Open
The influence of particle size on the processability and properties of iron-cobalt soft magnetic materials remains an area of limited exploration. In this study, two types of iron-cobalt powders with differing production methods and partic…
View article: Human intention recognition using context relationships in complex scenes
Human intention recognition using context relationships in complex scenes Open
Recognizing human intentions is a key challenge in human-robot interaction research. Much of the current work in this area centers on identifying human intentions within specific activities, often relying on a limited set of features. In c…
View article: Indoor human activity recognition based on context relationships
Indoor human activity recognition based on context relationships Open
Human activity recognition, as a significant branch of artificial intelligence, requires increasingly generalized and precise methodologies due to growing demands. Therefore, this paper proposes a context-based method for recognising indoo…
View article: Simulation-based dataset acquisition for robotic cardiac ultrasound examinations
Simulation-based dataset acquisition for robotic cardiac ultrasound examinations Open
Over the past decade, automating ultrasound scanning has been the subject of intense research. However, training a robot to perform automated ultrasound examinations requires a substantial corpus of training data. Traditionally, researcher…
View article: Design of a novel crack-free precipitation-strengthened nickel-based superalloy and composites for laser powder bed fusion
Design of a novel crack-free precipitation-strengthened nickel-based superalloy and composites for laser powder bed fusion Open
Avoiding cracking defects is crucial to ensuring processability in the laser powder bed fusion (LPBF) of metallic materials. In this study, a crack-free Ni-based superalloy with a high volume fraction of the γ′ phase was designed for the L…
View article: Graphene Nanoplatelets Reinforced Al-Cu-Mg Composite Fabricated using Laser Powder Bed Fusion: Microstructure, Mechanical Properties, and Wear Behaviour
Graphene Nanoplatelets Reinforced Al-Cu-Mg Composite Fabricated using Laser Powder Bed Fusion: Microstructure, Mechanical Properties, and Wear Behaviour Open
Aluminium-based metal matrix composites reinforced with Graphene (Gr) and its derivatives have been reported as promising composites due to their superior properties such as strength, damage tolerance, fatigue resistance, and density. Howe…
View article: Integrated Analysis of EEG and eye tracking to measure emotional responses in a simulated healthcare setting
Integrated Analysis of EEG and eye tracking to measure emotional responses in a simulated healthcare setting Open
Electroencephalography (EEG) and eye tracking devices are used in this study to assess the capability of such systems to measure emotional responses in a healthcare-related environment. Experiments are conducted in which positive, negative…
View article: Heterogeneous microstructure and mechanical behaviour of Al-8.3Fe-1.3V-1.8Si alloy produced by laser powder bed fusion
Heterogeneous microstructure and mechanical behaviour of Al-8.3Fe-1.3V-1.8Si alloy produced by laser powder bed fusion Open
The relationship between processing parameters, microstructure, and mechanical properties of Al-8.3Fe-1.3V-1.8Si alloy processed by laser powder bed fusion is seldom studied. Therefore, fully dense alloys with two parameters were selected …
View article: Al-Cu-Mg Alloy Powder Reinforced with Graphene Nanoplatelets: Morphology, Flowability and Discrete Element Simulation
Al-Cu-Mg Alloy Powder Reinforced with Graphene Nanoplatelets: Morphology, Flowability and Discrete Element Simulation Open
Research in metal matrix composites (MMCs) indicates that superior mechanical properties may be achieved by embedding reinforcement materials. However, the development of new composite powder for additive manufacturing requires an in-depth…
View article: Laser Powder Bed Fusion-built Ti6Al4V Bone Scaffolds Composed of Sheet and Strut-based Porous Structures: Morphology, Mechanical Properties, and Biocompatibility
Laser Powder Bed Fusion-built Ti6Al4V Bone Scaffolds Composed of Sheet and Strut-based Porous Structures: Morphology, Mechanical Properties, and Biocompatibility Open
Laser powder bed fusion (L-PBF)-built triply periodic minimal surface (TPMS) structures are designed by implicit functions and are endowed with superior characteristics, such as adjustable mechanical properties and light-weight features fo…
View article: Context-Sensitive Personalities and Behaviors for Robots
Context-Sensitive Personalities and Behaviors for Robots Open
This paper proposes Context-Sensitive Behaviors for Robots (CSBR), a method for generating diverse behaviors for robots in indoor environments based on five personality traits. This method is based on a novel model developed in this work t…
View article: Modelling Uncertainties in Human-Robot Industrial Collaborations
Modelling Uncertainties in Human-Robot Industrial Collaborations Open
With the rise of Industry 4.0 technological trends, there is a growing tendency in manufacturing automation towards collaborative robots. Human-robot collaboration (HRC) is motivated by the combination of complementary human and robot skil…
View article: Context change and triggers for human intention recognition
Context change and triggers for human intention recognition Open
In human-robot interaction, understanding human intention is important to smooth interaction between humans and robots. Proactive human-robot interactions are the trend. They rely on recognising human intentions to complete tasks. The reas…
View article: Coordination and path planning of a heterogeneous multi-robot system for sheet metal drilling
Coordination and path planning of a heterogeneous multi-robot system for sheet metal drilling Open
This paper presents the details of a sub-system developed to address coordination between a serial manipulator robot (machining) and SwarmItFIX robot (fixturing) for a sheet metal drilling process. A heterogeneous multi-robot coordination …
View article: Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting
Wear Behavior of a Heat-Treatable Al-3.5Cu-1.5Mg-1Si Alloy Manufactured by Selective Laser Melting Open
In this study, the wear behavior of a heat-treatable Al-7Si-0.5Mg-0.5Cu alloy fabricated by selective laser melting was investigated systematically. Compared with the commercial homogenized AA2024 alloy, the fine secondary phase of the SLM…