20,275 results
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Journal Article Full text
Shape Optimization of Cable Chain to Minimize Assembly Stress and Maintained Retention Force under Tensile Loading
Cable chains are essential in the semiconductor industry for preventing the twisting or sagging of moving cables. They can be broadly categorized into two types based on their fastening methods, with rivet-based assembly being the most common. An alternative method utilizes integral locking…
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A Study on Improving Multi-agent Path Finding in Congested Environments Using Agent Merging and Splitting
The rising demand for robots in warehouses has highlighted the need for efficient multi-robot algorithms. In response, researchers have focused on Multi-Agent Path Finding (MAPF), which enables multiple agents to calculate conflict-free paths to their individual goals. However, the computation time…
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Development of an Ultra-precision Air-bearing Stage Integrated with Real-time Motion Error Measurement and Compensation Functions
This study details the development of an ultra-precision air-bearing stage that integrates real-time motion error measurement and compensation features. The motion errors addressed include horizontal and vertical straightness errors, as well as roll, pitch, and yaw errors. These errors are measured…
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Fabrication and Evaluation of CNT Spray Coated Strain Sensor
Carbon nanotubes (CNTs) are popular in strain sensors due to their exceptional electrical conductivity, flexibility, and sensitivity to deformation. In this study, a high-sensitivity strain sensor was fabricated by spray-coating CNT ink onto various paper substrates, with “lint-free paper”…
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A Study on Fabrication of PCD Boring Tool Body based on Metal 3D Printing Technology
The future mobility industry is increasingly utilizing advanced tools for cutting and machining lightweight parts to enhance the fuel efficiency of automotive engines. Machining companies are turning to polycrystalline diamond (PCD) tools to boost productivity in the production of these lightweight…
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Functional Grid Patterning on Silicon Substrates via Femtosecond Laser Processing for Physically Enhanced Raman Spectroscopy of Polystyrene Particles
The practical application of Raman spectroscopy is often constrained by its low signal sensitivity, particularly for low-concentration liquid samples. This study introduces a straightforward platform that enhances Raman signals by physically concentrating analytes, providing an alternative to…
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Generative AI–enabled Intelligent Manufacturing: LLM Utilization Strategies and Information Modeling Integration
This paper examines the role of generative AI and large language models (LLMs) in advancing intelligent manufacturing as we transition from Industry 4.0 to Industry 5.0. We begin by analyzing the current limitations of rule-based and manufacturing data systems in facilitating flexible…
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A Method of Generating Commands of 2-DOF Gimbal System for Image Tracking
In the field of gimbal targeting systems, image error tracking plays a crucial role in various applications, including object detection, enemy surveillance, and aircraft inspection. Enhancing image tracking performance presents a significant challenge due to singularity issues at the azimuth and…
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Experimental Study on Porosity Behavior during DED Additive Manufacturing of S45C/H13 Dissimilar Metals
This study examines the porosity behavior during the directed energy deposition (DED) of dissimilar metals S45C and H13. We analyzed the effects of deposition parameters, including laser power, feed rate, and powder characteristics, on pore formation, taking into account the unique properties of…
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Cable Suspended Aerial Manipulation System Capable of Tilting Operations
This paper presents a tiltable cable-suspended aerial manipulation (SAM) system designed to improve the utility of aerial manipulators in industrial settings. Although drone-robot arm systems have shown promise, suspended configurations encounter notable stability challenges, particularly during…
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Analysis of the Effects of Data Scale and Training Parameters on Improving AI-based Defect Diagnosis Models for Flexible Electronic Devices
Flexible electronics are becoming the next generation of devices due to their advantages, such as mechanical flexibility, eco-friendliness, large-area applicability, and scalability for mass production. However, solution-based manufacturing processes are prone to defects like discontinuities and…
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Thermal Analysis Study for the Design of Shelter Environmental Control System
Military shelters contain various electronic devices that generate significant heat during operation due to their high power output. This heat buildup can degrade the performance of the equipment and shorten its operational lifespan. In high-temperature environments, overheating can lead to serious…
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Cross-sectional Design Optimization and Structural Safety Evaluation of PFRP Photovoltaic Support Structure
This study examines a 2kW photovoltaic (PV) support structure, highlighting the vulnerability of conventional metal frames to corrosion and strength degradation in harsh environmental conditions. To overcome these challenges, we propose using pultruded fiber-reinforced polymer (PFRP) members as an…
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Design of Extrusion Die for Medical Multi-lumen Tube Using Inverse Extrusion Simulation and Optimization
The design of the extrusion die significantly affects both the extrusion process and the quality of multi-lumen tubes. Traditional design methods that rely on trial and error tend to increase manufacturing time and costs while diminishing product quality. This study utilizes inverse extrusion…
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Manufacturing Digital Twin: Hybrid Modeling of Machining Process, Challenges, and Future Directions
Digital twin technologies in manufacturing have evolved into dynamic, data-synchronized systems that facilitate real-time monitoring and control. Given that machining involves closely interconnected multi-physics behaviors, the effectiveness of a digital twin largely relies on the accuracy and…
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Advanced Thermal-structural Coupling Analysis of Semiconductor Probe Card based on Ansys APDL and Point Cloud Meshing
The semiconductor industry is experiencing significant growth in production scale and investment, driven by rising demand for generative AI, high-performance computing (HPC), high-bandwidth memory (HBM), and high-performance/high-density chips. As a result, precision inspection and yield management…
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Hydrogen and Carbon Production via Methane Thermal Decomposition: Effects of Temperature and Residence Time
Methane thermal decomposition is a promising technology for producing CO2-free hydrogen. This study experimentally examines how temperature (1,000–1,400oC) and residence time affect methane decomposition in a ceramic tubular reactor. The results show that both the methane conversion rate and…
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Precise Control of Pore Size in Hydrogel Scaffolds Fabricated by Mask Projection Lithography with Variable Optical Magnification
The field of tissue engineering requires versatile scaffold fabrication technologies capable of inducing cell proliferation and differentiation to promote functional tissue regeneration. Traditional fabrication methods face inherent trade-offs among production speed, resolution, and cost, which…
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Analysis of the Influence of Elastomeric Isolator Stiffness on the Vibration Isolation Performance of Multi-axis Stabilized Gimbal Systems Mounted on Tracked Vehicles
As modern warfare shifts towards electronic warfare and Intelligence, Surveillance, and Reconnaissance (ISR), there is an increasing demand for stabilized gimbal systems mounted on tracked vehicles to operate reliably in harsh combat environments. However, high-frequency disturbances generated by…
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Design and Verification of a Tribo-system for Measuring Ball-raceway Rolling Friction in Smartphone Camera Actuators
This study presents a rolling tribometer designed to quantitatively assess ball-raceway friction in ball-guided bearings, which is critical for applications such as smartphone camera actuators, where friction impacts power consumption. Following ASTM G133 standards, the tribometer was validated…
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