⚡ electrical engineering

Weakly Supervised Detection of Operational Anomalies in Vaccine Refrigerators from Large-Scale Field Telemetry

This paper presents a large-scale weakly supervised machine learning framework that analyzes global telemetry from 500 vaccine refrigerators to jointly quantify human operational behaviors and thermal responses, enabling the accurate detection of six interpretable anomaly categories that compromise cold-chain integrity.

Abdoul Aziz Bonkoungou, Navid Khaledian, Abdoul Kader Kabore, Ozgün Sakallı, Simon Justen, Josephine Alida Kabange, Kevi (…)2026-07-09
⚡ electrical engineering

Dynamic Model of Hyper-Extension Pneumatic Actuator Considering Material Properties

This paper presents and validates a unified dynamic model for the MD-LUFFY hyper-extension pneumatic actuator that accurately predicts both static deformation and dynamic response under varying material and pneumatic conditions by integrating nonlinear rubber properties, fiber constraints, and supply system dynamics.

Takeshi Itsuno, Yuiga Kanno, Fumio Ito, Toshiki Ozaki, Yusuke Hemmi, Taro Nakamura2026-07-09
⚡ electrical engineering

Design and Analysis of Phase Change Material-based Battery Thermal Management System With Various Cell Configurations

This study demonstrates that optimizing the enclosure geometry of a passive phase change material-based battery thermal management system significantly enhances thermal performance, reducing peak cell temperature and improving temperature uniformity for high-rate 18650 LiFePO4/Graphite battery packs.

ARUN KUMAR M, PERIYASAMY S, PARIMALA MURUGAVENI S2026-07-09
⚡ electrical engineering

ASND‑DEM: An Adaptive Spatial Nyquist Decomposition Framework for Optimal DEM Resolution Mapping from Photogrammetric Point Clouds in Open‑Pit Mining

This study introduces ASND-DEM, an adaptive framework that optimizes DEM resolution for photogrammetric point clouds in open-pit mining by dynamically adjusting grid density based on local point spacing and terrain roughness, achieving significant data compression while preserving critical geological features.

Amir Sarvi, Abbas Abedini, Farzaneh Dadrass Javan2026-07-08
⚡ electrical engineering

Analysis of Influencing Factors on Earth Pressure in Finite Soil and Excavation Deformation Based on Orthogonal Tests

This study utilizes ABAQUS-based numerical modeling and orthogonal tests to systematically analyze the effects of finite soil conditions and various parameters on earth pressure and excavation deformation, ultimately deriving predictive formulas and an optimization table for retaining structures in foundation pits adjacent to existing buildings.

Qingyuan Yang, song chen2026-07-08