⚡ electrical engineering

Experimental analysis of process parameters in a prototype microwave freeze-dryer

This study experimentally validates the feasibility of a compact microwave-assisted freeze-drying prototype, demonstrating that it achieves stable temperature control, comparable product quality with enhanced polyphenol retention, and significant process efficiency improvements over conventional shelf-heated methods.

Edyta Piechnik, Jakub Bodys, Michal Palacz, Ignat Tolstorebrov, Trygve M. Eikevik, Jacek Smolka2026-08-25
⚡ electrical engineering

EfficientNet-B5 Based Breast Tumor Classification from CWT Morlet Scalogram Images of Microwave S-Parameters

This paper proposes an energy-guided signal-level augmentation method to overcome data scarcity in microwave breast imaging, achieving 94.7% accuracy in classifying benign and malignant tumors by converting augmented S-parameter responses into CWT Morlet scalograms and fine-tuning an EfficientNet-B5 classifier.

Avik Majumder, Edison Kho, Banani Basu, Arnab Nandi2026-08-25
⚡ electrical engineering

Abrasive Flow Machining of Additively Manufactured Inconel 718 Conformal Cooling Channels: Effects on Surface Integrity and Tribological Performance

This study demonstrates that Abrasive Flow Machining (AFM) effectively enhances the surface integrity and tribological performance of additively manufactured Inconel 718 conformal cooling channels by removing unmelted particles, reducing surface roughness by 98%, and achieving optimal friction reduction through specific process parameters and heat treatment.

Yusuf Kaynak, Ozhan Kitay, Emre Tascioglu2026-08-25
⚡ electrical engineering

Evaluation of all-sky reconstructed radiance assimilation for hyperspectral infrared sounders

This study evaluates the Japan Meteorological Agency's global data assimilation system to demonstrate that while clear-sky reconstructed radiance offers neutral forecast impacts compared to original radiance, assimilating all-sky reconstructed radiance for water vapor channels yields significant positive improvements similar to those achieved with original radiance.

Kozo Okamoto, Haruma ISHIDA2026-08-25
⚡ electrical engineering

Data-driven prediction and low-carbon optimization of limestone calcined clay cement compressive strength using CPO-XGBoost

This study develops a CPO-XGBoost model to accurately predict and optimize the compressive strength of limestone calcined clay cement, identifying optimal mix proportions that reduce carbon emissions by 41.9–53.2% compared to ordinary Portland cement and implementing these findings into a real-time intelligent design system.

Jinpeng Dai, Fanghui Lu, Riccardo Maddalena, Xuwei Dong, Yuhu Qi2026-08-25
⚡ electrical engineering

Formal Verification of Energy Conservation in Discrete Cyber-Physical Fluid Networks: An Algorithmic Proof Methodology Utilizing Mathematical Induction

This paper proposes a formal verification framework that utilizes mathematical induction to map discrete, acyclic fluid networks into directed graphs, enabling an efficient O(V+E) algorithm for detecting energy conservation anomalies in cyber-physical systems while significantly reducing computational complexity compared to traditional numerical solvers.

Syed Eirfan Atthar2026-08-25
⚡ electrical engineering

Synthesizing Physiological Stress Facial Expressions for Medical Simulation Mannequins Using AI-Driven Facial Action Units

This paper presents an open-source, AI-driven pipeline that synthesizes realistic physiological stress facial expressions (pain, choking, and coughing) on 3D medical mannequins using the Facial Action Coding System, demonstrating that visual-only dynamic animations significantly improve recognition accuracy among nursing students compared to audio-visual presentations.

Ahmad Ridwan Fauzi, Trini Handayani2026-08-25
⚡ electrical engineering

Sim-to-Real Transfer Learning for Real-Time Melt Pool Geometry Prediction in Directed Energy Deposition

This paper presents a Sim-to-Real transfer learning framework that leverages a multi-input hybrid CNN pretrained on physics-based simulations and fine-tuned on limited experimental data to achieve accurate, real-time prediction of melt pool width and depth in Directed Energy Deposition, thereby overcoming the long-standing barrier of indirect depth measurement for closed-loop control.

Youmna Mahmoud, Nikhil Muralidhar, Chaitanya Krishna Vallabh, Souran Manoochehri2026-08-25