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Technologies, Volume 12, Issue 3

2024 March - 15 articles

Cover Story: Light-duty vehicle emission regulations set limits for carbon monoxide (CO), nitric oxides (NOX), hydrocarbons (HCs), and/or non-methane hydrocarbons (NMHCs). Carbon dioxide (CO2) is limited by fleet targets. The instrument principles of operation are non-dispersive infrared (NDIR) analysis for CO and CO2, flame ionization detection (FID) for hydrocarbons, and chemiluminescence (CLA) or non-dispersive ultraviolet detection (NDUV) for NOX. Alternative principles that can measure some or all of these pollutants include Fourier transform infrared (FTIR) and laser absorption spectroscopy (LAS). The second category includes quantum cascade laser (QCL) spectroscopy in the mid-infrared region or laser diode spectroscopy (LDS) in the near-infrared region, such as tunable diode laser absorption spectroscopy (TDLAS). View this paper
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Articles (15)

  • Article
  • Open Access
27 Citations
4,543 Views
21 Pages

Performance Assessment of Different Sustainable Energy Systems Using Multiple-Criteria Decision-Making Model and Self-Organizing Maps

  • Satyabrata Dash,
  • Sujata Chakravarty,
  • Nimay Chandra Giri,
  • Umashankar Ghugar and
  • Georgios Fotis

The surging demand for electricity, propelled by the widespread adoption of intelligent grids and heightened consumer interaction with electricity demand and pricing, underscores the imperative for precise prognostication of optimal power plant utili...

  • Article
  • Open Access
11 Citations
5,312 Views
14 Pages

Implementation of a Wireless Sensor Network for Environmental Measurements

  • Rosa M. Woo-García,
  • José M. Pérez-Vista,
  • Adrián Sánchez-Vidal,
  • Agustín L. Herrera-May,
  • Edith Osorio-de-la-Rosa,
  • Felipe Caballero-Briones and
  • Francisco López-Huerta

Nowadays, the need to monitor different physical variables is constantly increasing and can be used in different applications, from humidity monitoring to disease detection in living beings, using a local or wireless sensor network (WSN). The Interne...

  • Review
  • Open Access
31 Citations
6,900 Views
27 Pages

Although multiview platforms have enhanced work efficiency in mining teleoperation systems, they also induce “cognitive tunneling” and depth-detection issues for operators. These issues inadvertently focus their attention on a restricted...

  • Article
  • Open Access
17 Citations
5,019 Views
25 Pages

As the world grapples with the energy crisis, integrating renewable energy sources into the power grid has become increasingly crucial. Microgrids have emerged as a vital solution to this challenge. However, the reliance on renewable energy sources i...

  • Review
  • Open Access
18 Citations
23,782 Views
25 Pages

Examining the Landscape of Cognitive Fatigue Detection: A Comprehensive Survey

  • Enamul Karim,
  • Hamza Reza Pavel,
  • Sama Nikanfar,
  • Aref Hebri,
  • Ayon Roy,
  • Harish Ram Nambiappan,
  • Ashish Jaiswal,
  • Glenn R. Wylie and
  • Fillia Makedon

Cognitive fatigue, a state of reduced mental capacity arising from prolonged cognitive activity, poses significant challenges in various domains, from road safety to workplace productivity. Accurately detecting and mitigating cognitive fatigue is cru...

  • Article
  • Open Access
2 Citations
3,406 Views
15 Pages

Pioneering a Framework for Robust Telemedicine Technology Assessment (Telemechron Study)

  • Sandra Morelli,
  • Carla Daniele,
  • Giuseppe D’Avenio,
  • Mauro Grigioni and
  • Daniele Giansanti

The field of technology assessment in telemedicine is garnering increasing attention due to the widespread adoption of this discipline and its complex and heterogeneous system characteristics, making its application complex. As part of a national tel...

  • Article
  • Open Access
5 Citations
3,124 Views
17 Pages

Energy Sustainability Indicators for the Use of Biomass as Fuel for the Sugar Industry

  • Reinier Jiménez Borges,
  • Luis Angel Iturralde Carrera,
  • Eduardo Julio Lopez Bastida,
  • José R. García-Martínez,
  • Roberto V. Carrillo-Serrano and
  • Juvenal Rodríguez-Reséndiz

There are numerous analytical and/or computational tools for evaluating the energetic sustainability of biomass in the sugar industry. However, the simultaneous integration of the energetic–exergetic and emergetic criteria for such evaluation i...

  • Communication
  • Open Access
1 Citations
3,287 Views
9 Pages

In this paper, we present a highly linear direct in-phase/quadrature (I/Q) up-conversion mixer for 5G millimeter-wave applications. To enhance the linearity of the mixer, we propose a complementary derivative superposition technique with pre-distorti...

  • Article
  • Open Access
4 Citations
7,530 Views
20 Pages

Artificial Intelligence bots are extensively used in multiplayer First-Person Shooter (FPS) games. By using Machine Learning techniques, we can improve their performance and bring them to human skill levels. In this work, we focused on comparing and...

  • Article
  • Open Access
1 Citations
3,445 Views
14 Pages

A Comparison between Kinematic Models for Robotic Needle Insertion with Application into Transperineal Prostate Biopsy

  • Chiara Zandonà,
  • Andrea Roberti,
  • Davide Costanzi,
  • Burçin Gül,
  • Özge Akbulut,
  • Paolo Fiorini and
  • Andrea Calanca

Transperineal prostate biopsy is the most reliable technique for detecting prostate cancer, and robot-assisted needle insertion has the potential to improve the accuracy of this procedure. Modeling the interaction between a bevel-tip needle and the t...

  • Article
  • Open Access
6 Citations
3,967 Views
21 Pages

Measurement of Light-Duty Vehicle Exhaust Emissions with Light Absorption Spectrometers

  • Barouch Giechaskiel,
  • Anastasios Melas,
  • Jacopo Franzetti,
  • Victor Valverde,
  • Michaël Clairotte and
  • Ricardo Suarez-Bertoa

Light-duty vehicle emission regulations worldwide set limits for the following gaseous pollutants: carbon monoxide (CO), nitric oxides (NOX), hydrocarbons (HCs), and/or non-methane hydrocarbons (NMHCs). Carbon dioxide (CO2) is indirectly limited by f...

  • Review
  • Open Access
2 Citations
6,298 Views
29 Pages

Visualization of Spatial–Temporal Epidemiological Data: A Scoping Review

  • Denisse Kim,
  • Bernardo Cánovas-Segura,
  • Manuel Campos and
  • Jose M. Juarez

In recent years, the proliferation of health data sources due to computer technologies has prompted the use of visualization techniques to tackle epidemiological challenges. However, existing reviews lack a specific focus on the spatial and temporal...

  • Article
  • Open Access
5 Citations
3,250 Views
17 Pages

Mapping Acoustic Frictional Properties of Self-Lubricating Epoxy-Coated Bearing Steel with Acoustic Emissions during Friction Test

  • Venkatasubramanian Krishnamoorthy,
  • Ashvita Anitha John,
  • Shubrajit Bhaumik and
  • Viorel Paleu

This work investigates the stick–slip phenomenon during sliding motion between solid lubricant-impregnated epoxy polymer-coated steel bars and AISI 52,100 steel balls. An acoustic sensor detected the stick–slip phenomenon during the tribo...

  • Article
  • Open Access
6 Citations
3,604 Views
14 Pages

By planting LEDs on the surfaces of orifice baffles, a novel batch oscillatory baffled photoreactor (OBPR) together with polymer-supported Rose Bengal (Ps-RB) beads are here used to investigate the reaction kinetics of a photo-oxidation reaction betw...

  • Article
  • Open Access
4 Citations
3,358 Views
13 Pages

In 3D segmentation, point-based models excel but face difficulties in precise class delineation at class intersections, an inherent challenge in segmentation models. This is particularly critical in medical applications, influencing patient care and...

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Technologies - ISSN 2227-7080