Efficiency problems of high-voltage variable frequency drives of the mcp of npp with wwer by V. A. Khrustalev, D. O. Bashlykov, M. V. Garievsky

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Performance improvement and emissions reduction of methanol fuelled marine dual-fuel engine with variable compression ratio by Panagiotis Karvounis, Gerasimos Theotokatos

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Vibration Control of Light Bridges Under Moving Loads Using Nonlinear Semi-Active Absorbers by Hamed Saber, Farhad S. Samani, Francesco Pellicano, Moslem Molaie, Antonio Zippo

“…The quadratic nonlinear DVA is the most efficient, achieving a 92% deflection reduction in the 1.5–2.5 Hz range, and under running and jumping reduces deflection by 42%.…”
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Research on the bearing characteristics and parameter optimization design of variable-section anchor rods by Changxing Zhu, Shengran Zhang, Duo Li, Xu Liu, Jiaqi Guo, Huazhe Jiao

“…To address the material waste caused by mismatch between anchor rods axial force and tensile capacity, this study proposes a variable cross-section bolt with a hollow tail section. …”
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A flexible multi-agent system for managing demand and variability in hybrid energy systems for rural communities by Ehab S. Ali, M. H. Elkholy, Tomonobu Senjyu, Sahar M. Abd Elazim, Emad S. Hassan, Zuhrir Alaas, Mohammed Elsayed Lotfy

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Inherent thermodynamic performance assessment of a variable refrigerant flow system under transient cooling load: A case study of an eco-villa by Muhammad Reshaeel, Mohamed I. Hassan Ali

“…Variable refrigerant flow systems are recognized for their energy efficiency, yet their performance under fluctuating cooling loads and interdependencies among intrinsic performance variables remains insufficiently explored. …”
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Shortcuts in multiple dimensions: the multiaxial racetrack filter by M.A. Meggiolaro, J.T.P. Castro, H. Wu

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Impact of Optimization Variables on Fuel Consumption in Large Four-Stroke Diesel Marine Engines with Electrically Divided Turbochargers by Anibal Aguillon Salazar, Georges Salameh, Pascal Chesse, Nicolas Bulot, Yoann Thevenoux

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Bio-Inspired Thin-Walled Straight and Tapered Tubes with Variable Designs Subjected to Multiple Impact Angles for Building Constructions by Quanjin Ma, Nor Hazwani Mohd Yusof, Santosh Kumar Sahu, Yiheng Song, Nabilah Afiqah Mohd Radzuan, Bo Sun, Ahmad Yunus Nasution, Alagesan Praveen Kumar, Mohd Ruzaimi Mat Rejab

“…This paper investigates the energy-absorbing characteristics of variable novel cross-section designs of thin-walled structures subjected to oblique impact loading. …”
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A Flexibility Based Approach on Wind/Load Curtailment Reduction in Presence of BESS by Homayoun Berahmandpour, Shahram Montaser Kouhsari, Hassan Rastegar

“…The simulation results show the efficient dependency between system flexibility improved by BESS integration, and the wind/load curtailment reduction.…”
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Structural optimization of stiffened panel structures with continuous and discrete design variables using deep reinforcement learning by Ryota NONAMI, Mitsuru KITAMURA

“…These findings confirm the feasibility of efficient and effective optimization for stiffened panel structures and suggest potential benefits in cost reduction and performance enhancement in future structural designs.…”
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Enhanced variable step sizes perturb and observe MPPT control to reduce energy loss in photovoltaic systems by Abdelkadir Belhadj Djilali, Elhadj Bounadja, Adil Yahdou, Habib Benbouhenni, Z. M. S. Elbarbary, Ilhami Colak, Saad F. Al-Gahtani

“…Abstract This study proposes a modified variable step-size perturb and observe (VSS-P&O) control to improve the efficiency of photovoltaic (PV) systems. …”
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Digital three-stage recursive-separable image processing filter with variable sizes of scanning multielement aperture by A. V. Kamenskiy, T. M. Akaeva, D. A. Grebenshchikova

“…This circumstance negatively affects processing time, critical for systems with high load requirements on the computing platform. In this regard, the use of digital filters which enable a reduction to the processing time of incoming data is important. …”
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The brazilian daylight daving time as a public policy for energy efficiency by Lucélia Viviane Vaz Raad, Tales Siqueira da Cruz, Renata Lúcia Magalhães de Oliveira

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Variability of Material Solutions for the Perimeter Walls of Buildings in Post-Industrial Settlements as Part of Energy Rehabilitation and Achieving Carbon Neutrality by Hamed Afsoosbiria, Darja Kubečková, Oskar Kambole Musenda, Khaled Mohamed

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Furtherance of Multilevel Inverter and Evolution of a Packed Inverter Unit for Dynamic Loads by Premkumar R, Vimal Juliet A, Vijayaraja L

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Topological optimization design of SLM additive manufactured unmanned aerial vehicle bearing joint structure based on variable density method by Shuaichao YUAN, Jianfeng WANG, Yuhang DUAN, Lujing HAO, Xiaohong ZHAN

“…To address the need for weight reduction in a large unmanned aerial vehicle (UAV) fuselage, this study focused on the load-bearing joint structure manufactured through selective laser melting (SLM). …”
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Balancing Efficiency and Emissions: A Study on Biodiesel‐Hydrogen Dual‐Fuel Engine Performance Under Varying Injection Timings by Vasanthkumar Periyathambi, Manikandan Ezhumalai, Mohan Govindasamy, Ratchagaraja Dhairiyasamy, Deekshant Varshney, Subhav Singh

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Configurational Comparison of a Binary Logic Transmission Unit Applicable to Agricultural Tractor Hydro-Mechanical Continuously Variable Transmissions and Its Wet Clutch Optimizati... by Wenjie Li, Zhun Cheng, Mengchen Yang

“…Binary logic transmission (BLT), a stepped transmission system, has been utilized in military vehicles and heavy-duty commercial vehicles due to its high transmission efficiency, strong load-bearing capacity, and compact structure. …”
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Knock Reduction Measures in the Gas Fuelled Internal Combustion Engine by S. Szwaja

“…Studies on the influence of applying various technologies for combustion knock reduction have been presented in the paper. Among others, investigation concerning the following: over-expanded cycle, variable valve timing, internal and exhaust gas recirculation, leaning the combustible mixture and cooling the in-cylinder charge were of the interest. …”
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