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Measurement: Sensors
Scopus
ISSN 2665-9174 · Elsevier · 1,347 articles in the index
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Journal Article
A comprehensive review of the performance of optical techniques in the sensing of pollutant gases
Optical gas-sensing technologies offer distinct advantages and limitations, making them essential for applications in environmental monitoring, industrial safety, and healthcare. This review presents a comparative analysis of optical gas sensors classified according to their operating mechanisms…
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Journal Article
Machine learning-based discrimination of lubrication regimes in journal bearings using acoustic emission and knock sensors
Journal bearings are critical components in a wide range of rotating machinery, from internal combustion engines and industrial turbines to wind turbine drivetrains, where accurate monitoring of the lubrication regime is essential for predictive maintenance and efficiency optimisation. This study…
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Journal Article
Tool wear prediction using multi-domain features and quantised attention embedded CNN
In precision manufacturing, accurate prediction of tool wear is pivotal for maintaining production quality and efficiency. This paper introduces a novel predictive model that employs a multi-branch convolutional neural network (multi-CNN) enhanced by an attention mechanism and Bayesian optimisation…
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Journal Article
UWB RF sensing with a 3D-printed lens for improved accuracy in refractive index determination for non-destructive testing
This study presents the development of a robust RF sensing system to address design as well as measurement challenges such as operating bandwidth, gain, near field coupling, and external factors during measurement in industrial ultra-wideband (UWB) applications. The proposed system integrates UWB…
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Journal Article
A review of smart metrology in industry 4.0 - 5.0: Standards, interoperability, and automation
Dimensional metrology is moving from isolated, post-process inspection to integrated, intelligent measurement within digital manufacturing. In the context of Industry 4.0 and 5.0, smart metrology spans tactile, optical, and hybrid modalities embedded in cyber-physical production environments…
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Journal Article
On-site rapid detection of ethidium bromide using gold ultramicroelectrode sensors
Ethidium bromide (EtBr) is one of the most used non-protein molecules in molecular biology, specifically for fluorescence-based detection of nucleic acids during gel electrophoresis. EtBr fluoresces when exposed to ultraviolet light, intensifying after binding to DNA. Although non-radioactive, the…
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Journal Article
Transimpedance amplifiers: Reaching high gain, low noise and high bandwidth
Transimpedance amplifiers are current-to-voltage converters. They are found in a wide variety of applications that require current measurements at high sensitivity, low noise and/or high bandwidth. Inherent to the construction of such an amplifier are certain tradeoffs between bandwidth…
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Journal Article
Experimental validation of a laser distance measurement system for convergence monitoring in underground salt formations
This study evaluates the metrological performance and statistical reliability of a laser distance measurement system developed for convergence monitoring in the Kłodawa Salt Mine S.A. The standard deviation of single distance measurements was determined for sighting lengths from a few to nearly 50…
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Journal Article
Design and application of a controlled-environment calibration system for low-cost CO2 sensing devices
This study presents the design, development, and experimental validation of a portable CO2 calibration system capable of generating reproducible concentration profiles under actively controlled air temperature and relative humidity. The platform integrates a modified environmental chamber, an…
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Journal Article
All-dielectric Jones matrix metasurfaces for generating perfect vector vortex beams in polarization-resolved surface detection
Vector vortex beams (VVBs), which simultaneously carry spin angular momentum (SAM) and orbital angular momentum (OAM), exhibit spatially varying polarization distributions dependent on the azimuthal angle. These properties make VVBs highly valuable in advanced optical applications, particularly in…
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Journal Article
Heterogeneous models with synergistic feature fusion for real-time apple recognition in robust apple harvesting robotics
The advancement of agricultural automation intensifies demands for highly reliable visual recognition systems in orchard harvesting robots. However, it is difficult to achieve robust fruit detection for balancing high accuracy and real-time performance under complex orchard conditions with variable…
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Journal Article
An evaluation of modelling of propagation using COMSOL for a singlemode-multimode-singlemode structure
This paper presents simulation models developed for investigating singlemode-multimode-singlemode (SMS) structures, with the intention of utilising precise nano-scale 3D printing to print the center-section of the structures modelled. The models allow the design of structures for use in SMS fiber…
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Journal Article
Effect of deposition time on microstructure and optoelectronic properties of lead selenide thin films
Lead selenide (PbSe) thin films are promising materials for mid-infrared photodetection owing to their narrow bandgap (0.2–0.4 eV), high carrier mobility, and tunable optoelectronic properties. However, current fabrication processes for PbSe detectors still face challenges in producing large-area…
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Journal Article
SPR sensors enhanced by nanomaterials for monitoring heavy metal ions in water: A mathematical modeling
Surface plasmon resonance (SPR) sensors enable label-free readout of refractive-index (RI) changes at metal–dielectric interfaces and are promising for on-site water monitoring, whereas ICP-MS/AAS lack portability. We model prism-coupled SPR using a CaF2 prism and a Cu/Si3N4 stack overlaid with…
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Journal Article
A review of electrical reflectometry applications: State of the art, positioning, bibliometric analysis and future directions
Electrical reflectometry is widely utilized for cable diagnosis to detect and locate both hard faults (such as open or short circuits) and soft faults (such as chafing, bending radius issues, pinching, etc.). It offers the advantage of using only one end of the cable under test to inject an…
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Journal Article
UAV-based object detection model for smart surveillance using deep neural network
Unmanned aerial vehicles (UAVs) have become indispensable in both civilian and military domains, enabling applications such as smart surveillance, environmental monitoring, and search-and-rescue operations. However, effective object detection in UAV imagery remains challenging due to the small size…
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Journal Article
Editorial article (Special Issue): Measurement, control and security of systems for smart cities
The transition to truly smart cities demands more than layered technologies; it requires convergent intelligence that unifies physical sensing, adaptive control, and ethical security. This editorial paper brief about the special issue entitled “Measurement, Control and Security of Systems for Smart…
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