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Academic Articles & Research Papers
Showing 20 of 5,045 academic articles
Paritosh Mishra, Brijesh Prasad, Sunil Chamoli, Ibrahim M. Alarifi • Journal of Materials Research and Technology
(2026)
The escalating demand for lightweight, high-strength structures in the aerospace and automotive sectors necessitates robust joining technologies for dissimilar aluminium alloys. This study systematically investigates the effects of friction...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.jmrt.2026.08.256
Christina Junger, Richard Fütterer, Maik Rosenberger, Gunther Notni • Measurement: Sensors
(2022)
In recent years, stereoscopic image processing algorithms have gained importance for a variety of applications. To capture larger measurement volumes, multiple stereo systems are combined into a multi-view stereo (MVS) system. To reduce the...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.measen.2022.100425
Наталья Викторовна Сарафанникова (Головащенко) • Adaptivni Sistemi Avtomatičnogo Upravlinnâ
(2004)
В статті розглянуті часові діаграми і математичні моделі сигналів. Наведені методи розширення спектру частот цифрових повідомлень які передаються. Також розглянуті кореляційні властивості шумоподібних сигналів і здобуті їх автокореляційні ...
DOAJ
Open Access (DOAJ)
DOI: 10.20535/1560-8956.7.2004.37568
Panagiotis Stavropoulos, Vasiliki Christina Panagiotopoulou • Modelling
(2022)
Additive Manufacturing (AM), or else Smart Manufacturing, has been an intrinsic concept in Industry 4.0, offering flexibility and material efficiency. Certain limitations prevent AM from being used in the industrial setting extensively, des...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/modelling3010013
Sergio Alvarez-Rodríguez, Francisco G. Peña-Lecona • Sensors
(2023)
Artificial neural networks are a powerful tool for managing data that are difficult to process and interpret. This article presents the design and implementation of backpropagated multilayer artificial neural networks, structured with a vec...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s23208347
Ziwei Wan, Chunlin Zhou, Zhaohui Lin, Huapeng Yan et al. • Sensors
(2023)
MultiCal is an affordable, high-precision measuring device designed for the on-site calibration of industrial robots. Its design features a long measuring rod with a spherical tip that is attached to the robot. By restricting the rod’s tip ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/s23125717
Sofia Morandini, Federico Fraboni, Mark Hall, Santiago Quintana-Amate et al. • Frontiers in Organizational Psychology
(2025)
The integration of AI technologies in aerospace manufacturing is significantly transforming critical operational processes, impacting decision-making, efficiency, and workflow optimization. Explainability in AI systems is essential to ensur...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/forgp.2025.1538438
Shangkai Liu, Kai Tong, Fengmin Chen, Senhua Zhang et al. • Buildings
(2026)
The reliability of high-strength bolted connections is critical to the safety of large-scale engineering structures. This study proposes a non-contact quantitative method for detecting bolt loosening based on the self-magnetic flux leakage ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/buildings16030497
Ella Schoolaert, Luisa Cossu, Jana Becelaere, Joachim F.R. Van Guyse et al. • Materials & Design
(2020)
This work shows the design of highly porous membranes with tunable wettability based on poly(2-n-propyl-2-oxazoline) (PnPrOx) nanofibers. Wicking and advanced contact angle experiments demonstrate the high potential for applications requiri...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.matdes.2020.108747
Piotr Kolasiński • Energies
(2020)
Environmental issues are nowadays of great importance. In particular air and water quality should be kept at as high levels as possible. Energy conversion systems and devices which are applied for converting the chemical energy contained in...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en13153983
Diego Ponce, Alexander Aguila Téllez, Narayanan Krishnan • Energies
(2023)
The growth in the demand for electrical energy, which is driven by the constant growth of the metropolises and the expansion of the productive capacities of the industrial sector, entails the inevitable development of the electrical system ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en16207167
Tsonyo Slavov, Alexander Mitov, Jordan Kralev • Mathematics
(2025)
The article is devoted to designing novel multivariable robust μ-control of an open-circuit axial piston pump. In contrast with classical solutions of displacement volume control, in our case, the hydro-mechanical controller (by pressure, f...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math13040643
Farida Farida, Nanang Supriadi, Siska Andriani, Dona Dinda Pratiwi et al. • RED. Revista de Educación a Distancia
(2022)
Metaphorical thinking is important in improving the formation and discovery of learning ideas in the 21st-century. However, the metaphorical thinking of Indonesian students is below the international average in terms of cognitive process, a...
DOAJ
Open Access (DOAJ)
DOI: 10.6018/red.493721
Kil-Mo Koo, Jin-Ho Song, Sang-Baik Kim, Kwang-Il Ahn et al. • Science and Technology of Nuclear Installations
(2012)
Unlike design basis accidents, some inherent uncertainties of the reliability of instrumentations are expected while subjected to harsh environments (e.g., high temperature and pressure, high humidity, and high radioactivity) occurring in s...
DOAJ
Open Access (DOAJ)
DOI: 10.1155/2012/656590
Meng Yuan, Lei Li, Zhezhuang Xu • IEEE Access
(2022)
In biaxial contouring control applications, the inherent structural flexibility of machines can lead to position discrepancies between the manipulator and actuator, and thus deteriorate the manufacturing performance, especially when the con...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/ACCESS.2022.3157868
Sergei Borsch, Andrei Khristoforov, Vladimir Krovotyntsev, Ekaterina Leontieva et al. • Geosciences
(2018)
This paper presents the basin approach to the design, development, and operation of a hydrological forecasting and early warning system in a large transboundary river basin of high flood potential, where accurate, reliable, and timely avail...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/geosciences8030093
Sameh Alsaqoor, Ahmad Alqatamin, Ali Alahmer, Zhang Nan et al. • International Journal of Thermofluids
(2023)
This study examines the impact of incorporating phase change material (PCM) in photovoltaic thermal (PVT) systems on their electrical and thermal performance. Although PVT systems have shown effectiveness in converting solar energy into bot...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.ijft.2023.100365
Nei Pereira Junior • Fermentation
(2026)
Lignocellulosic biomass is one of the most abundant renewable carbon resources available, currently used predominantly for energy generation through direct combustion, yet still underutilized as a feedstock for higher-value biochemical conv...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/fermentation12020088
Kirsten M. Wright, Janis McFerrin, Armando Alcázar Magaña, Armando Alcázar Magaña et al. • Frontiers in Nutrition
(2022)
Botanical products are frequently sold as dietary supplements and their use by the public is increasing in popularity. However, scientific evaluation of their medicinal benefits presents unique challenges due to their chemical complexity, i...
DOAJ
Open Access (DOAJ)
DOI: 10.3389/fnut.2021.799137
Allahverdi Tagiyev, Elmir Karagozov, Mehriban Ismayilova, Lala Abdullayeva et al. • Energies
(2026)
The Lower Kura Basin is a tectonically active sedimentary region of Azerbaijan where geological and hydrogeological conditions may favor geothermal fluid circulation. This study develops a Geographic Information Systems (GIS)-based multi-cr...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/en19174061