eess papers | Gist.Science

Hierarchical Terminal Sliding Mode Contouring Control for Five-Axis CNC Machine Tools With Combined Contour Error Estimation

This paper proposes a hierarchical terminal sliding mode contouring controller for five-axis CNC machines that integrates a non-singular terminal sliding mode tracking law with a combined contour error estimation algorithm to achieve finite-time convergence, eliminate chattering, and significantly reduce tool-tip contour errors compared to conventional methods.

Haryson Johanes Nyobuya2026-07-22

⚡ electrical engineering

Exploring Ski Proficiency Estimation from Foot Pressure Patterns in a Simulator-Based Environment

This study demonstrates that a deep learning model using plantar pressure data can objectively classify skiing proficiency and track nonlinear skill acquisition trajectories in a simulator environment, while providing interpretable visual evidence linking forefoot pressure focus to improved performance.

Shigeharu Ono, Ryosuke Atsumi, Hideaki Kanai, Hideki Koike2026-07-22

⚡ electrical engineering

Research on Rock-breaking Mechanism of Novel-shaped Cutters and Optimization Design of Drill Bits

This paper addresses drilling challenges in plastic mudstone by developing a thermomechanical coupling model to analyze the rock-breaking mechanisms of three novel-shaped cutters, optimizing their structural parameters, and successfully designing personalized PDC bits that increased the rate of penetration by 20–127% in field applications.

Siyuan Lin, Yunhu Lu, Ying Guan, Xilong Cui2026-07-22

⚡ electrical engineering

Smart Urban Interfaces in MENA Cities: Technological Integration of Buildings and Settings for Climate-Adaptive Resilience in Alexandria

This study demonstrates that while smart, sensor-actuated building technologies in Alexandria significantly improve local thermal comfort and energy efficiency, they only generate measurable city-scale climate resilience when individual structures are networked into coordinated neighborhood systems, a transition formalized in the new Technological Integration–Adaptive Capacity (TIAC) framework.

Rasha Fahim Elgazzar, Amr Atef Elhamy2026-07-22

⚡ electrical engineering

Formation and Removal of Silver Sulphide on Oltc Contacts: Field Investigations, Practical Approaches and Maintenance Perspective

This paper presents field investigations, practical approaches, and maintenance perspectives regarding the formation and removal of silver sulphide on On-Load Tap Changer (OLTC) contacts.

Adam Suleiman, Dejan Susa, Chandima Ekanayake2026-07-22

⚡ electrical engineering

A physics-guided graph neural network for interpretable multiscale modelling of concrete properties

The paper introduces HiCon-GNN, a physics-guided graph neural network that models the hierarchical structure of concrete to achieve competitive multi-property strength predictions while providing interpretable, physically regularized insights into multiscale material behaviors.

Ye Li, Fangying Wang2026-07-22

⚡ electrical engineering

Effect of Diversion Channel Parameters on Flow Structure in Forward- Intake Pump Station Forebays

This study employs CFD simulations and response surface methodology to optimize the geometric parameters of a diversion channel for a forward-intake pumping station in the Jingdian Yellow River Irrigation District, establishing specific thresholds for straight section length, turning radius, and turning angle that significantly improve forebay flow structure and reduce sediment deposition.

Xinjian Fan, Guichun Tian, Yanbin Duan, Sizhang Liu, Deran Li, Bingjie Liu, Wenxin Zhang, Lirong Wang, Cailong Si2026-07-22

⚡ electrical engineering

A vector-based analytical method for evaluating borehole–joint hit rate in pre-excavation grouting of jointed rock mass

This study presents a transparent, reproducible vector-based analytical method for efficiently calculating borehole–joint hit rates in pre-excavation grouting, offering a practical alternative to manual CAD assessments for optimizing borehole orientations and evaluating intersection probabilities in jointed rock masses.

Abishek Shrestha, Kristin H. Holmøy, Johan Funehag2026-07-22

⚡ electrical engineering

AI-Driven Multi-Objective Pareto Optimization Framework for Green Building Envelope Performance Analysis Based on Grasshopper

This paper presents an AI-driven, Grasshopper-based multi-objective Pareto optimization framework that quantifies and optimizes green building envelope performance by analyzing trade-offs between energy consumption, solar self-sufficiency, and thermal comfort through parametric modeling and simulation.

Pengfei Xie2026-07-22

⚡ electrical engineering

Process Optimization of Fan Rotors and Enhancement of Autonomous Balance Rate

This paper presents a comprehensive process optimization strategy for fan rotor mass production that, through the design of an adjustable mold structure and the application of 6σ methodology to improve forming, assembly, and testing, significantly enhances the self-balancing rate, reduces balancing iterations by 61.5%, and eliminates jitter defects.

xujun zhang2026-07-22

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