Development and Efficiency Analysis of Dual Active Bridge Converter Employing SiC Devices Using TMS 320F280039 by T. Deepti, K. Deepa, Albert Alexander Stonier, Geno Peter, A. Anoop, Vivekananda Ganji

“…By comparing the estimated energy efficiency characteristics with measurements from a prototype 90-W single-phase DAB converter fitted with silicon carbide (SiC) MOSFETs, the robustness of this approach is exemplified and loss, and efficiency comparison analysis is carried out with conventional switching devices. …”
Get full text

Twig age 2.0: A novel and reliable method to track variation in ungulate browsing over species, sites and time by Donald M. Waller

“…Abstract Ungulate (deer) browsing threatens forest diversity and tree regeneration, but without efficient and reliable methods, we cannot monitor these impacts. …”
Get full text

Aspects Regarding the CO₂ Footprint Developed by Marine Diesel Engines by Octavian Narcis Volintiru, Daniel Mărășescu, Doru Coșofreț, Adrian Popa

“…By analyzing these methods for determining engine emissions, conclusions can be reached about aspects such as the following: engine wear condition, efficiency losses, or incomplete combustion. …”
Get full text

LIU-NET: lightweight Inception U-Net for efficient brain tumor segmentation from multimodal 3D MRI images by Gul e Sehar Shahid, Jameel Ahmad, Chaudary Atif Raza Warraich, Amel Ksibi, Shrooq Alsenan, Arfan Arshad, Rehan Raza, Zaffar Ahmed Shaikh

“…To overcome these challenges, this research presents a novel and computationally efficient method termed lightweight Inception U-Net (LIU-Net) for the accurate brain tumor segmentation task. …”
Get full text

Assessing the Efficiency of Reduced Positional Games in Soccer: A Multivariate Analysis of Technical and Tactical Indicators According to Different Playing Systems by Mostafa Errama, Mustapha Bassiri, Jafaar Atifi, Said Lotfi

Get full text

Enhancing Manufacturing Processing Stability and Efficiency with Linear-Regression Analysis: Modeling on a Flow-Drill Screw (FDS) Joining Process by Chengxin Zhang, Mario Guzman, Xuzhe Zhao

“…Statistical analysis, such as data visualization, statistical modeling, and other data-driven analysis methods, can be used to detect underlying relationships between variables, investigate variations, and make predictions in the manufacturing process. …”
Get full text

Surgical instrument counting: Current practice and staff perspectives on technological support by A.M. Kooijmans, L. de Rouw, M. van der Elst, J.J. van den Dobbelsteen

Get full text

Terminal efficiency of Peruvian university students in the second specialty programs of a dental school over seven years [version 2; peer review: 2 approved] by María Claudia Garcés-Elías, Cesar D. Rojas-Senador, Roberto A. León-Manco, Karla Lucero Avalos-Baltodano, Karen Llajaida Cabanillas-Yllesca

“…Efficient training is vital for producing competent professionals to meet regional healthcare demands. …”
Get full text

Adapting Efficiency Analysis in Health Systems: A Scoping Review of Data Envelopment Analysis Applications During the COVID-19 Pandemic by Athanasios Mitakos, Panagiotis Mpogiatzidis

“…Included studies were primary applications of DEA for assessing healthcare efficiency during the COVID-19 pandemic. Key findings derived from thematic analysis of repeating pattern observations were extracted and tabulated for further synthesis, taking into consideration the variations in DMU definitions, the inclusion of undesirable outputs, the influence of external factors, and the infusion of advanced technologies in DEA. …”
Get full text

Methods of optimal subbands signal processing by Eugene G. Zhilyakov, S. P. Belov

Get full text

Research on the efficient development of shallow geothermal energy: Experimental and numerical investigations on the heat transfer characteristics of the soil-cement energy pile by Huimin RONG, Xun ZHOU, Lizhi WANG, Jia ZHENG, Qimin LI

“…The heating and cooling system of ground-source heat pump is currently the most important development and utilization method of shallow geothermal resources. In order to solve the bottleneck problems of low thermodynamic efficiency and large footprint of the traditional ground heat exchanger in ground-source heat pump system, this study proposes a new scheme of coupling the ground heat exchangers with the soil-cement pile composite foundation, a type of pile foundation where cement and the native soil are mixed on-site in the pile hole while drilling to form a pile, to improve the thermodynamic efficiency of the ground heat exchanger by utilizing the good thermodynamic properties of the ground treatment materials. …”
Get full text

Numerical Investigation of Spray Cooling Dynamics: Effects of Ambient Pressure, Weber Number, and Spray Distance on Droplet Heat Transfer Efficiency by Abbas Golmohammadi, Farshid Darvishi, Eunsoo Choi, Alireza Ostadrahimi

“…The effects of pressure variation on the efficiency of droplet heat transfer are examined within sub-atmospheric and super-atmospheric pressure ranges at different Weber numbers, all below the critical Weber number of the droplet. …”
Get full text

MONITORING AND ANALYSIS OF TRAINING LOAD OF 12-13 YEAR-OLD MALE GYMNASTS FOR A ONE-YEAR TRAINING PERIOD by G. Sergiev

“…AIM: The aim of this study was to register, trace, and analyse the specific indexes of training load of 12-13-year-old artistic gymnasts. METHODS: The research methods we used included: registration, analysis, comparison, variation analysis. …”
Get full text

Capacity allocation method for a hybrid energy storage system participating in secondary frequency regulation based on variational mode decomposition by Taiying Zheng, Minghao Ye, Qinghua Wu

Get full text

Design and Implementation of Single Axis Solar Tracking System: Utilizing GPS, Astronomical Equations, and Satellite Dish Actuator for Optimal Efficiency by Rizgar Ahmed Salih, Karzan Qadir Mohammed, Peshawa Osman Hama, Rawaz Othman Hassan, Barham Kamal Noori

“…In this study, the design and implementation of a polar single-axis tracking system is presented to improve the energy efficiency of PV system through angular variation during the day using the proposed tracking system. …”
Get full text

APPLICATION OF DESCRIPTIVE STATISTICS METHODS IN CUSTOMS RISK ANALYSIS by O. E. Kudryavtsev, S. E. Tamrazyan

Get full text

A Double-Inertial Two-Subgradient Extragradient Algorithm for Solving Variational Inequalities with Minimum-Norm Solutions by Ioannis K. Argyros, Fouzia Amir, Habib ur Rehman, Christopher Argyros

“…In this paper, we propose a novel iterative algorithm for solving VIPs in real Hilbert spaces. The method integrates a double-inertial mechanism with the two-subgradient extragradient scheme, leading to improved convergence speed and computational efficiency. …”
Get full text

Methodology for determining temperature dependences of the diffraction efficiency of two-layer two-relief microstructures in the framework of a rigorous coupled-wave analysis by A.I. Antonov, G.I. Greisukh

“…We show that due to variations in the operating temperature (from –40°C to + 60°C), the diffraction efficiency drops by no more than 7% over the entire operating spectral range (3.5 – 5.2 μm; 7.5 – 11.4 μm) with permissible angles of light incidence on the microstucture ranging from –14° to +14°.…”
Get full text

Efficient and sustainable conversion of CO₂ and propylene oxide to propylene carbonate using MgO-enhanced MgCo₂O₄ heterostructure catalyst by Tahani Saad Algarni, Naaser A. Y. Abduh, Saad Mohammed Alqahtani

Get full text

Automated Dead Chicken Detection in Poultry Farms Using Knowledge Distillation and Vision Transformers by Ridip Khanal, Wenqin Wu, Joonwhoan Lee

“…A dynamic frame selection strategy optimizes resource usage by adjusting monitoring intervals based on the chickens’ age, ensuring real-time performance in resource-constrained environments. This method addresses key challenges such as the lack of explicit annotations for dead chickens, along with common farm issues like lighting variations, occlusions, cluttered backgrounds, chicken growth, and camera distortions. …”
Get full text