Category: Engineering

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  • Hybrid fuzzy logic approach for enhanced MPPT control in PV systems

    Hybrid fuzzy logic approach for enhanced MPPT control in PV systems

    A MATLAB/Simulink simulation of a PV system was developed to assess the dynamic performance of various MPPT techniques. The system comprised a SunPower SPR 210 PV panel, a DC-DC boost converter controlled by a 10 kHz PWM signal, and a 50Ω…

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  • Effect of nano carbonate calcium on the low temperature performance of bitumen and asphalt mixtures in acidic and alkaline moisture

    Effect of nano carbonate calcium on the low temperature performance of bitumen and asphalt mixtures in acidic and alkaline moisture

    SFE results

    Based on the SFE theory, the cohesive free energy of bitumen is twice the total SFE component; according to its definition, it is the required amount to create a unit-area crack in the bitumen phase. The free energy of cohesion for the…

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  • Synergistic integration of refined pelican optimization algorithm and deep neural networks for autonomous vehicle control in edge computing architectures

    Synergistic integration of refined pelican optimization algorithm and deep neural networks for autonomous vehicle control in edge computing architectures

    Data were used to train the hybrid MN-V2/RPO model, which includes insights about both its architecture and tuning strategies, however, the specific hyperparameters generated to achieve the trajectories presented in the manuscript should be…

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  • Diagnosis and classification of neuromuscular disorders using Bi-LSTM optimized with grey Wolf optimizer for EMG signals

    Diagnosis and classification of neuromuscular disorders using Bi-LSTM optimized with grey Wolf optimizer for EMG signals

    The proposed method optimizes the hyperparameters of a deep learning system for EMG classification: Bidirectional Long Short-Term Memory (Bi-LSTM) using Grey Wolf Optimizer (GWO). This optimization technique further improves classification…

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  • Real-time static unbalance evaluation of the Cardan shaft equipped in high-speed train based on nonzero frequency filter

    Real-time static unbalance evaluation of the Cardan shaft equipped in high-speed train based on nonzero frequency filter

    Analyzation of signals acquired from line tests

    The acceleration signals acquired from the line tests are utilized to illustrate the superiority of the proposed method in unbalance signal extraction and the static unbalance evaluation. The…

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  • 200-mile-long Gobi Wall in Mongolia had a function far beyond defense

    200-mile-long Gobi Wall in Mongolia had a function far beyond defense

    A new study investigated the Gobi Wall, the least understood section of the Medieval Wall System. Built by a nomadic empire, researchers discovered an architectural achievement that reflected its dynamism.

    Study authors described the…

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  • What we learned at Malaga’s Foro Transfiere 2025

    What we learned at Malaga’s Foro Transfiere 2025

    Foro Transfiere, one of the leading European events dedicated to research, development, and innovation, was held earlier this year, in March 2025 in Malaga, Spain. The forum brings together scientific institutions, companies, startups, and…

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  • What makes a fighter jet ‘sixth gen’ and why it matters

    What makes a fighter jet ‘sixth gen’ and why it matters

    To significantly improve its air power, China has revealed what it claims to be the world’s first flying sixth-generation fighter jet, a large, powerful aircraft with features that suggest a serious step forward in impressive military…

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  • China unveils metrology plan to boost chip, quantum tech by 2030

    China unveils metrology plan to boost chip, quantum tech by 2030

    China has announced a five-year action plan aimed at driving disruptive innovation in metrology, the science of precise measurement. Released by the State Administration for Market Regulation, the 2030 plan prioritizes major breakthroughs in…

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