⚡ electrical engineering

A High-Gain Dual-Switch Non-Isolated Boost Converter: Analysis, Control, and Experimental Validation

This paper presents a high-gain dual-switch non-isolated boost converter (DSNIBC) that utilizes a switched-inductor topology and interdependent duty cycles to achieve superior voltage gain with moderate stress, validated through comprehensive theoretical analysis, small-signal modeling, and experimental testing under photovoltaic MPPT conditions.

Atul Kumar Lal, Anmol Ratna Saxena2026-08-24
⚡ electrical engineering

Robotic additive repair of damaged rammed-earth walls using printable earthen materials: a proof-of-concept experimental study

This study demonstrates the feasibility of a robotic additive repair workflow for damaged rammed-earth walls using a cement-free printable material, confirming successful wall-scale construction and preliminary mechanical performance where repaired specimens achieved 56.1% of the reference load-bearing capacity with effective interface bonding.

Zeyu Chao, Mingyang Feng, Lifang Han, Xingyu Wang, Dingwen Bao, Junbo Sun, Bin Wu, Còssima Cornadó Bardon, Oriol Pons-Va (…)2026-08-24
⚡ electrical engineering

IoT-Driven Electronics Framework for Tabletop CNC Machines: Design, Implementation, and Performance Analysis

This paper presents and validates an IoT-driven electronics framework for tabletop CNC machines that integrates an ESP32-S3 microcontroller, Raspberry Pi 4B gateway, and multi-sensor array to achieve low-latency cloud connectivity, high-precision machining with sub-23 µm positioning error, and robust thermal management, establishing it as a cost-effective solution for smart manufacturing and Industry 4.0 applications.

SEERAM SRINIVASA RAO, S N Padhi, Bharadwaja K2026-08-24
⚡ electrical engineering

Rice Husk Ash Stabilization and Its Influence on the Index, Compaction and Strength Properties of Three Lateritic Soils of Contrasting Mineralogy

This study demonstrates that adding 8% rice husk ash optimally improves the engineering properties of three Nigerian lateritic soils, with kaolinite-rich soils showing the most significant strength gains, thereby highlighting the critical influence of soil mineralogy on stabilization performance.

Nchewi Ideba Enya, Anthony N. Ugbaja, Emmanuel Etim Okon2026-08-24
⚡ electrical engineering

Solving layered rough contact via a physics-informed operator framework

This paper proposes a physics-informed operator-decomposition framework that integrates an attention-enhanced U-Net, Fourier Neural Operator, and Karush-Kuhn-Tucker condition penalties to efficiently and accurately predict full-field pressure and displacement responses in three-dimensional layered rough surface contacts, overcoming the computational and geometric limitations of existing methods.

Shaoqi Huang, Junpeng Chen, Haoyu Gu, Shuwen Zhang, Xiaoshen Zhang, Chongpu zhai, Minglong Xu2026-08-24
⚡ electrical engineering

Physics-Informed Neural Network Modeling of Biodegradable Contaminant Transport through GCL/SL Composite Liners

This study presents a hard-constrained physics-informed neural network (H-PINN) framework that significantly outperforms standard PINN and traditional numerical methods in accurately modeling biodegradable contaminant transport through GCL/SL composite liners and successfully identifies soil liner degradation parameters via inverse modeling.

Dong Li, Yapeng Cao, Haiping Fu, Shutong Han2026-08-24
⚡ electrical engineering

Evaluation of A Conceptual Autonomous System for Early-Stage Wildfire Hotspot Suppression: A Comparative Analysis of Performance

This paper presents a comparative uncertainty-aware analysis of a conceptual autonomous bimodal morphing quadrotor swarm (MORPHFIRE) for early-stage wildfire hotspot suppression, evaluating the mass-energy performance and operational range of hybrid-electric and pure-electric architectures under specific pre-positioned intervention scenarios without modeling actual fire behavior or suppression effectiveness.

Osman Acar, Abdulkadir Saday, Eija Honkavaara, Aki Mikkola, Juha Plosila2026-08-24