⚡ electrical engineering

Toward Safer Bicycle Infrastructure: Policy Insights from Temporal Stability and Heterogeneous Crash Severity in Bike Lane-Involved Crashes

本研究通过结合随机参数 Logit 模型、SHAP 可解释性方法和 BERTopic 叙事分析的混合框架,对 2021–2024 年德克萨斯州自行车道碰撞数据进行了分析,结果表明,虽然照明条件和道路环境持续影响伤亡严重程度,但诸如未佩戴头盔、转向运动和车道入口冲突等特定因素显著提高了重伤风险,从而强调了对特定情境下的基础设施和政策干预的需求。

Sazzad Bin Bashar Polock, Subasish Das, Md Monzurul Islam2026-06-29
⚡ electrical engineering

A New Insight into Cutting and Chip Formation Mechanisms in Ultrasonic Vibration-Assisted Drilling via Kinematic Modeling, Experiments, and Finite Element Analysis

本研究通过运动学建模、实验和有限元分析证明,性能的提升源于连续的刀具-切屑界面调制效应和微锤击效应,而非宏观分离,从而挑战了超声振动辅助钻削中传统的间断切削范式,并实现了更佳的切屑断裂效果和更低的切削力。

Muhammad Fadhlan Afif, Jiunn-Jyh Wang, Ahmed Aly Diaa Sarhan2026-06-29
⚡ electrical engineering

Three-Dimensional Reconstruction and Evolutionary Distribution Characteristics of Coal Wall Fractures in a Large-Mining-Height Longwall Face

本研究结合了理论分析、数值模拟和工业CT扫描,旨在表征大采高长壁工作面煤壁中裂隙的三维演化与分布特征,揭示了随着开采诱发扰动的增加,裂隙发育程度加剧且走向发生偏移,从而为评估煤壁稳定性及煤帮冒落风险提供了关键见解。

Weibin Guo, rongyi Cheng, yuhui Li2026-06-29
⚡ electrical engineering

A Non-Monotonic Reconfigurable Neural Unit with Dynamic Integration Control for Advanced Neuromorphic Computing

本文介绍了一种可重构神经单元(RNU),该单元通过集成 MoTe2/h-BN 突触晶体管与 Ag/h-BN/石墨烯挥发性忆阻器,实现了动态可调的 U 型非单调激活函数以及精确的时空抑制控制,从而增强了神经形态系统在图像识别和脑电图(EEG)解码任务中的性能。

Jing Liu, Xitong An, Yan Wang, Chao Dou, Haoyue Lu, Yueying Li, Xuan Deng, Dong Sun2026-06-28