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ENP Engineering Science Journal
ISSN 2716-912X · Ecole Nationale Polytechnique · 103 articles in the index
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Journal Article
Augmented Circular UWB Antenna for Dual-Band WLAN and C-Band Communication in Military Mini-Drones
This paper presents a novel UWB circular microstrip antenna (UWB-CMSA) designed for handheld devices with a partial ground plane, achieving resonance from 1.5 GHz to 11.2 GHz. The antenna effectively covers various bands including GPS (1.575 GHz), DCS (1.71–1.88 GHz), PCS (1.85–1.99 GHz), UMTS…
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Journal Article
SCHO-Optimized Fractional-Order Control Strategy for Enhanced Alternator Voltage Stability
This paper proposes a novel metaheuristic optimization framework grounded in the mathematical properties of hyperbolic trigonometric functions, introducing the Sinh–Cosh Optimizer (SCHO) as a bio-inspired algorithm that leverages the inherent gradient-like dynamics of sinh and cosh operators to…
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Journal Article
Review of ISO 15118-20 with TLS1.3 for Secure and Trustworthy EV Charging Infrastructure
Electric Vehicle Supply Equipment (EVSE) and the communication protocols that support it are essential to modern electric mobility, yet they remain vulnerable to significant cyber-physical risks. These risks largely arise from fragmented security adoption and the inconsistent use of Transport Layer…
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Journal Article
Tech Diplomacy: A Comprehensive Framework for Addressing Critical Technologies
This paper discusses the problem of addressing critical technologies through tech diplomacy. The latter hasrecently emergedas a strategic response to manage the geopolitical consequences that are induced by rivalry over the control of critical technologies. Despite the growing importance of these…
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Journal Article
Adsorption of Ni (II) from Water by Natural Bentonite: Studies on Equilibrium Isotherm, Kinetics
The aim of this work is to investigate the adsorption potential of commercial natural bentonite in the removal of Ni (II) ions from aqueous solution. The characterization studies were performed using X-ray Diffraction, Fourier Transform Infrared Spectrometer, thermal gravimetric analysis…
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Journal Article
Temporal Integration Framework for Segment-Level Cumulative Ergonomic Exposure Modeling
This paper proposes a vision-based temporal integration framework for segment-level cumulative ergonomic exposure modeling. Joint angles derived from OpenPose keypoints are mapped to REBA scores at six anatomical segments. A recovery-weighted exposure model quantifies cumulative risk by integrating…
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Journal Article
Thermal Effects of Artificial Lamination Faults in a Three-Phase Transformer Core Using Infrared Thermography
Transformer core lamination faults can significantly affect transformer performance, reliability, and operational lifetime by increasing core losses and localized heating. This paper investigates the thermal effects of edge burr faults and inter-laminar insulation deterioration. An experimental…
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Journal Article
Time Delay Estimation Based Integral Sliding Mode and Super-Twisting Control for Robust Robot Trajectory Tracking
This paper improved trajectory tracking control strategy for robotic manipulators, combining Time Delay Control (TDC), Integral Sliding Mode (ISM), and the Super-Twisting Algorithm (TDC-IS-STA). The Time Delay Control framework provides a model-free aspect by estimation of unknown nonlinear…
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Journal Article
An MPPT-Based ABC Algorithm Applied to PV Pumping Based BLDC Motor Drive under Partial Shading
In this paper, we propose a photovoltaic pumping system. Our system is composed of a photovoltaic generator, a boost converter (DC/DC) controlled by Maximum power point tracking (MPPT), an inverter (DC/AC), a motor-pump group (PMBLDC motor, centrifugal pump). The amount of energy produced by PV…
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Journal Article
FPGA Implementation for Fast and Accurate Medical Image Segmentation
This work presents a comprehensive study and hardware implementation of two advanced medical image segmentation methods: Gradient Vector Flow and Distance Regularized Level Set Evolution. Thesis approaches are widely used in image processing due to their ability to accurately extract complex…
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Journal Article
Stochastic Analysis to Predict Reliability Index of a Tall Building Structure
In this paper, stochastic analyses are performed to predict the failure probability and reliability index of tall building structures with random parameters under random seismic loading conditions using traditional Monte Carlo Simulation (MCS) method. Randomness of geometrical and structural…
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Journal Article
Impacts of Changes in Climatic Conditions and Urbanization on Runoff at City Scale
Urbanization and climate change are increasingly recognized as key drivers of hydrological alterations in rapidly growing cities. This study assesses their combined and individual impacts on runoff generation in Algiers, Algeria, over the period 1992–2016 using the Soil Conservation Service Curve…
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Journal Article
A New Multi-Path Hybrid Classifier for Transformer Oil Fault Diagnostic
This work aims to provide advances in diagnosis algorithms using intelligent techniques and represents an application in fault detection and classification in oil-immersed power transformers. The paper proposes a new methodology of classification using hybrid algorithms to describe an improved DGA…
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Journal Article
Fractional-order PD control of a parallel Delta robot: Experimental results
In this paper, a fractional-order proportional derivative (PD) controller is proposed to improve the trajectory tracking of a parallel Delta robot. The highly coupled dynamics of the Delta robot present challenges for the current PD/PID controllers, resulting in limited tracking performance. To…
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Journal Article
Efficient Face Recognition Using Embedding-Based Distillation
Knowledge distillation (KD) facilitates the compression of large, high-performing neural networks into efficient student models, enabling deployment on resource-limited devices like mobile phones and IoT systems. This paper introduces a KD methodology, which involves training a student to capture a…
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Journal Article
Advanced Control of Shunt Active Power Filter based on Flying Capacitor Multicellular Inverter using Backstepping and PS-PWM
This paper presents an advanced nonlinear control strategy for a Shunt Active Power Filter (SAPF) utilizing a Flying Capacitor Multicellular Inverter (FCMLI) to improve power quality in electrical distribution systems. The proposed control is based on the Backstepping technique, known for its…
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Journal Article
Minimal Distortion Principle versus Back Projection for Independent Vector Analysis
This short communication deals with the scaling ambiguity issue in blind convolutive source separation when performed in the frequency domain. It discusses the relationship between two major techniques, mainly the Minimal Distortion Principle and the Back Projection, that allow to overcome the…
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Journal Article
Woody Biomass Cogeneration with Hot Air Turbine: Application to a Wood Pellet Production Unit in Algeria
In this paper, the performance of a hot air turbine operating in an industrial combined heat and power (CHP) cogeneration is investigated, electrical and thermal energy supplied are intended for a pellet production unit. This unit is powered by Eucalyptus residue at 50% moisture content recovered…
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Journal Article
Food Freshness Evaluation Using a CLIP-Based Architecture
In this work, we present an efficient deep learning framework for automated fresh and stale food classification using transfer learning with a pretrained CLIP-based feature extractor. The proposed system employs frozen vision transformer (ViT) embeddings from CLIP as generalized visual descriptors…
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Journal Article
Anti-corrosion performance of PANI and POEA coatings applied into 13% Cr stainless steel at 3.5% NaCl solution with neutral pH
The doped PANI and POEA polymers were incorporated into a commercial epoxy resin with xylene solvent to develop effective anticorrosion coatings applied to 13% Cr stainless steel. The produced epoxy resin coatings were systematically characterized by FTIR, XRD, SEM, AFM, and immersion tests. The…