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Cyber-Physical Seismic Resilience: Integrating Digital Twins and Machine Learning for Performance-Based Earthquake Engineering of CLT and Masonry Structures in High-Seismicity Regions — Lessons from the USA, Japan, and Proposals for Peru

This study proposes a transformative Performance-Based Earthquake Engineering framework that integrates Digital Twins and Machine Learning to enhance the seismic resilience of Cross-Laminated Timber and masonry structures in Peru by benchmarking against US and Japanese practices, introducing novel analytical tools for uncertainty reduction, and bridging the gap between construction-phase modeling and real-time operational monitoring.

PAUL RICARDO PRUDENCIO GALVEZ2026-06-26

⚡ electrical engineering

Robotic Assembly of Modular Prefabricated Infrastructure: A Comparative Analysis for Roadway Construction in Industrialized Nations and Implementation Strategies for Peru

This systematic review analyzes the state-of-the-art of robotic modular prefabrication for roadway construction in industrialized nations and proposes a strategic three-phase roadmap for implementing this technology in Peru to reduce construction time, carbon emissions, and safety risks.

PAUL RICARDO PRUDENCIO GALVEZ2026-06-26

⚡ electrical engineering

Robust Performance Assessment of a Simulink-Tuned PID Controller for a DC Motor: A Case Study in Noise Rejection

This paper demonstrates that a Simulink-tuned PID controller, optimized for a DC motor, maintains robust stability and effective noise rejection while preserving rapid transient performance under stochastic measurement perturbations.

Mohammad Heidar Khamsehei Fadaei, Fahimeh Sadat Ghasemi2026-06-26

⚡ electrical engineering

Energy Efficient and Throughput Maximization of UAV-Assisted RIS in Aerial-Terrestrial Communication Networks

This paper presents a systematic review of 47 studies (2020–2026) on UAV-assisted RIS networks, revealing significant throughput and energy efficiency gains—particularly when using Deep Reinforcement Learning and specific hardware configurations—while highlighting critical methodological gaps in current research that hinder quantitative meta-analysis.

HAZILAH MAD KAIDI, NORULHUSNA AHMAD, SURIANI MOHD SAM, NORLIZA MOHAMED2026-06-26

⚡ electrical engineering

Textile Electrode Size and Placement Influence on Electrocardiography Monitoring

This study demonstrates that while textile electrode size does not significantly impact ECG signal quality, placement location is critical, with positions under the left shoulder blade on the back and under the left nipple on the chest yielding optimal results that often surpass conventional Ag/AgCl electrodes during physical activity.

Martin Lajdolf, Radek Martinek, Rene Jaros2026-06-26

⚡ electrical engineering

Quantum-Accelerated Nonlinear Seismic Simulation for Megathrust-Prone Urban Environments: A Three-Order-of-Magnitude Speedup via HHL-Embedded Newton–Raphson Integration

This study presents a quantum-enhanced Newton–Raphson framework that integrates the HHL algorithm into seismic time-stepping schemes to achieve a 1,000-fold speedup in nonlinear time-history analysis, thereby enabling real-time, city-scale seismic risk assessment for megathrust-prone urban environments like Lima, Peru.

PAUL RICARDO2026-06-26

⚡ electrical engineering

Performance, Robustness, and Failure Analysis of Machine-Learning-Based Wi-Fi RSSI Indoor Positioning in Multi-Floor Environments

This paper proposes a reliability-aware hybrid framework that integrates triplet-based metric learning with Bayesian weighted k-nearest neighbor inference to significantly enhance the robustness and failure resilience of multi-floor Wi-Fi RSSI indoor positioning systems, demonstrating through comprehensive evaluation that such an approach effectively reduces catastrophic localization errors and floor misclassifications compared to traditional accuracy-centric methods.

Md. Sahidur Rahman, Mohammed Morshed Rana, Arifa Sultana2026-06-26

🏗️ civil engineering

A Unified Dynamic Framework for Buildings with Architecturally-Induced Mass and Stiffness Asymmetry

This paper proposes a unified framework for Architecturally-Induced Dynamic Irregularity (AIDI) that identifies four fundamental asymmetry types and introduces Dynamic Form Factors (DFFs) to systematically quantify how unconventional architectural geometries alter the dynamic behavior of mid-to-high-rise buildings, thereby enabling early-stage integration of these effects into design processes.

Vijay Kumar Khanna2026-06-26✓ Author reviewed ⓘ

⚡ electrical engineering

Energy-Efficient IRS-Assisted Green Cellular Networks With Ground Base Station Sleep Mode

This paper proposes a hybrid deep reinforcement learning framework that jointly optimizes intelligent reflecting surface phase shifts, ground base station sleep modes, user association, power allocation, and aerial base station positioning to maximize energy efficiency in IRS-assisted aerial-terrestrial cellular networks.

Vala Saleh, Zahra Amiri, Mohsen Eslami, Kamran Kazemi2026-06-26

⚡ electrical engineering

Additive Manufacturing of Continuous Fibre-Reinforced UV-Curable Epoxy Composites via Peristaltic-Driven Direct Ink Writing

This study presents a peristaltic-driven direct ink writing system for fabricating continuous aramid and glass fibre-reinforced UV-curable epoxy composites, demonstrating successful co-extrusion with in-situ curing that yields significant improvements in tensile strength, surface smoothness, and dielectric properties suitable for aerospace, automotive, and electronic applications.

Vivek Kumar Gupta, Gourav Kumar Sharma, Prashant Kumar Singh, Narendra Kumar, Ravi Pratap Singh2026-06-26

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