⚡ electrical engineering

Fully Analytical Indirect-HBM for High-Dimensional Locally Nonlinear Systems: Periodic Solutions, Frequency-Response Curves, and Backbone Curves

This paper develops a fully analytical Indirect-Harmonic Balance Method that overcomes the curse of dimensionality in high-dimensional locally nonlinear systems by deriving closed-form frequency response and backbone curves through the symbolic analysis of Input- and Coup-FRFs, thereby providing a rigorous framework to reveal intrinsic nonlinear vibration mechanisms.

Ning Chen, Shuqian Cao, Yahong Dong, Yanhong Kang, Xiangrong Wang, Qingquan Luo2026-08-27
⚡ electrical engineering

A Systematic Review of the Mechanical and Durability Performance of Eggshell Powder as a Partial Replacement in Cement in concrete production

This systematic review synthesizes evidence from 90 studies to conclude that incorporating 5–10% eggshell powder as a partial cement replacement enhances the mechanical and durability performance of concrete through improved microstructure, while higher replacement levels lead to detrimental strength reductions.

Hackman Sompa Abankwa, Matthew Kwaw Somiah, Frederick Owusu Danso, Isaac Yaw Manu, Nii Nortey Dowuona2026-08-27
⚡ electrical engineering

Energy-Efficient Hybrid Approximate Radix-8 Multiplication Architecture for Adaptive Acoustic Feedback Suppression in Wearable Hearing Aids

This paper presents an energy-efficient adaptive acoustic feedback suppression architecture for wearable hearing aids that utilizes a hybrid approximate Radix-8 multiplier and an approximate SAR ADC to achieve significant power reduction and low latency while maintaining high speech quality, as validated by FPGA implementation results showing superior performance compared to existing methods.

Bharathi Vijayakumar, Kalpana Devi Perumal2026-08-27
⚡ electrical engineering

Microcomb-driven parallel coherent detection and communication enabled by a power-free optical phased array

This paper presents an all-solid-state, ultra-compact system that leverages a silicon nitride microcomb and a zero-power optical phased array to simultaneously enable parallel coherent detection, free-space optical communication, and integrated detection-and-communication for high-frame-rate LiDAR and multi-user networks.

Yaocheng Shi, Shi Zhao, Jingyu Zhao, Wenke Jiao, Jingye Chen, Daixin Lian, Yaongqi Ye, Zhe Kang, Jijun He, Dongmei Huang (…)2026-08-27
⚡ electrical engineering

AI-Supported Biofacade Shading Prediction Method: Few-Shot Model-Agnostic Meta-Learning for Predicting Biomass Density and Spatial Diffusion in Building-Integrated Photobioreactors

This paper presents an AI-supported, few-shot model-agnostic meta-learning method that integrates experimental imaging and simulation to predict biomass density and spatial diffusion in building-integrated photobioreactors, demonstrating that adaptive, scaffold-guided PBR configurations significantly outperform passive and non-adaptive systems in optimizing visual comfort and glare mitigation under limited-data conditions.

Farahbod Heidari, Christiane M. Herr2026-08-27
⚡ electrical engineering

Zoned Analytical Model for Airflow Temperature Rise in Spray- Insulated Three-Centered Arch Roadways with an Exposed Floor

This study develops and validates a zoned analytical model that accurately predicts airflow temperature rise in spray-insulated three-centered arch roadways with exposed floors by separately modeling asymmetric heat-transfer paths, thereby enabling rapid screening of ventilation and insulation schemes despite limitations in distinguishing minor performance differences between specific insulation configurations.

Cheng Li, Jiang Mingwei, Zhao Hongkai, Qu Xin, Qu Xingjun2026-08-27
⚡ electrical engineering

Dynamic reliability assessment of aero-engine components using dependence-aware PNET and mechanism-informed aging correction

This paper proposes a dynamic reliability assessment framework for aero-engine components that integrates dependence-aware PNET clustering to mitigate repeated counting of correlated failure modes with mechanism-informed equivalent damage-time correction to account for accelerated degradation under complex operating profiles.

Yongzhen Yang, Ruiguan Lin, Jiayi Zhang, Ruwei Luo, Xian Wu, Yusen Lin2026-08-27
⚡ electrical engineering

Stability-Constrained Decentralized Control and Energy Management for Grid-Forming Inverter-Based Microgrids

This paper proposes a comprehensive decentralized control and mixed-integer linear programming energy management framework for inverter-based microgrids that integrates frequency-voltage regulation, storage dynamics, and sustainability analysis to significantly enhance system efficiency, reduce losses and emissions, and ensure robust operation under diverse renewable and fault conditions.

Amam Hossain Bagdadee, Ishtiak Al Mamoon, Deshinta Arrova Dewi, A. K.M. Muzahidul Islam, Li Zhang2026-08-27
⚡ electrical engineering

High-value reuse of coal gangue through fiber- reinforced pavement-base composites: Mechanical performance and model-based feasibility

This study demonstrates that incorporating 0.6% basalt fiber into coal gangue–fly ash–cement mixtures optimizes mechanical strength for pavement-base applications while numerical simulations confirm the material's feasibility for high-value solid-waste utilization in road engineering.

Peng Huang, Qihe Lan, Erkan Topal, Hu Shao, Zhenjiang You, Chengyi Zhao, Shuxuan Ma2026-08-27