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All published articles 1996

Hybrid Ensemble Learning with Uncertainty Quantification for Multi-objective EDM Parameter Optimization

V R Tejas, N R Venkatesh Raju, Vishnu Prasad N, Mokshith K Y Gowda, Mohammed Irfanulla & Gajanan M Naik · Journal of Engineering Research and Reports · 2025

Electrical Discharge Machining (EDM) remains critical for precision machining of hard-to-cut materials, yet parameter optimization continues to challenge manufacturers due to complex non- linear interactions and conflicting objectives. This research presents a novel Hybrid Ensemb...

Open access Research Article 10.9734/jerr/2025/v27i111718

Analysis of the Economic Impact of Traffic Congestion on Highways with a High-volume Capacity (VC) Ratio in the Special Region of Yogyakarta

Sri Suharsih, Asih Sri Winarti, Eko Amiadji Julianto, Ilyasin Aditya Rahman, Jihan Irfanto, Anggito Adji Wicaksono & Vitaloka Diah Ramadhani · Journal of Engineering Research and Reports · 2025

Traffic congestion poses significant challenges to mobility and economic productivity in the Special Region of Yogyakarta, particularly along highways characterized by high Volume-to-Capacity (V/C) ratios. This study aims to quantify the economic impact of traffic congestion by i...

Open access Research Article 10.9734/jerr/2025/v27i111719

Impact of Static Var Compensator (SVC) on Voltage Stability and Power Losses in the N'Djamena Power Network

Haroun Abba Labane, Rodolphe Gomba, Anedi Oko Ganongo & Mathurin Gogom · Journal of Engineering Research and Reports · 2025

This study investigates the impact of a Static Var Compensator (SVC) on voltage stability enhancement and loss reduction in the N'Djamena distribution network, Chad. Using the NEPLAN software environment, a detailed model of the 32-node network was developed and power flow analys...

Open access Research Article 10.9734/jerr/2025/v27i111717

Effect of Iron Oxide Nanoparticles and Combined Pretreatment on Biogas Yield from Oil Palm Fruit Bunch under Mesophilic Conditions

Hamzat K.A, Adebayo A.O, Ola F.A & Abdulsalam I.A · Journal of Engineering Research and Reports · 2025

Aim of the Study: This study aimed to evaluate the effect of nanoparticle addition and substrate pretreatment on the biogas yield and quality of Oil Palm Empty Fruit Bunch (OPEFB) under mesophilic temperature conditions (30–40°C). Study Design: A laboratory-scale, multi-treatment...

Open access Research Article 10.9734/jerr/2025/v27i111714

Assessing the Profitability of a Remanufactured Electric Vehicle Battery Pack

Samuel Opare, Godwin Kafui Ayetor, Rockson Bedu Seth, Felix Kwashiegah & Prince Yaw Andoh · Journal of Engineering Research and Reports · 2025

Background: The rapid global adoption of electric vehicles (EVs) is generating a growing stream of lithium-ion battery packs reaching their end-of-first-life (EOFL), typically with 70-80% of their original capacity remaining. While recycling recovers valuable materials, remanufac...

Open access Research Article 10.9734/jerr/2025/v27i111715

Derivation and Analysis of Rigid Aircraft Equations of Motion with Application to Longitudinal Dynamics

Adebayo Matthew · Journal of Engineering Research and Reports · 2025

Rigid body equations of motion of an aircraft involves kinetic and kinematic analysis of the vehicle. Pure motion of rigid bodies are translation and rotation hence, derivation of equation of motion of rigid aircraft in translation and rotation is the focus of this paper. Non-lin...

Open access Research Article 10.9734/jerr/2025/v27i111716

Green Building Certification and Smart Façade Systems for U.S. Sustainability Goals

MD Shoag, Elma Akter, Joy Chandra Barman, Marzia Tabassum, Monowar Hossain Saikat, Shadia Jahan Ria & Abdullah-Al Abid · Journal of Engineering Research and Reports · 2025

The built environment remains a key driver for reducing energy consumption, carbon emissions, and health burdens across the United States. As energy codes tighten and Environmental, Social, and Governance (ESG) goals become more central to project planning, third-party green buil...

Open access Research Article 10.9734/jerr/2025/v27i111711

Design and Analysis of a Multipurpose Power Tiller with CG 125 Prime Mover

Baba Ziblim, Karimu Abdulai, Sulemana Yahaya & Ibrahim Dokurugu · Journal of Engineering Research and Reports · 2025

Aims: the aim of the study was to design a relatively low-cost power tiller with an irrigation system to ease the laborious nature of the conventional method of ploughing and irrigation. Study Design: the power tiller incorporated with spray gun for irrigation was designed using...

Open access Research Article 10.9734/jerr/2025/v27i111709

Optimization-Based Adaptive Coordination of Directional Overcurrent Relays in Multi-DG Radial Distribution Systems

Muniru Olajide Okelola, Olugbolade Ademola Akinsanya, Jelili Aremu Oyedokun & Nasrat Alaba Opoola · Journal of Engineering Research and Reports · 2025

The integration of Distributed Generation (DG) into radial distribution systems has introduced significant challenges to conventional protection schemes, particularly the coordination of Directional Overcurrent Relays (DOCRs). Bidirectional fault currents caused by DG penetration...

Open access Research Article 10.9734/jerr/2025/v27i111710

Adoption Dynamics and Implementation Strategies of Machine Learning for Cybersecurity Threat Detection in the E-Commerce Sector

Oluwadayo Mafolasere Olaniyi · Journal of Engineering Research and Reports · 2025

The rapid growth of e-commerce has intensified cybersecurity challenges, as organizations face increasingly complex and adaptive threats that traditional detection systems struggle to manage. Although machine learning (ML) offers predictive and adaptive capabilities for intrusion...

Open access Research Article 10.9734/jerr/2025/v27i111707

Experimental Optimization and Performance Evaluation of a Socket-Wheel Sesame Seed Metering Device

Shoufei Hu · Journal of Engineering Research and Reports · 2025

To address the practical challenges in sesame cultivation such as low efficiency in manual sowing, labor-intensive and time-consuming thinning and fixing of seedlings after emergence, and the lack of suitable precision hole-seeding devices leading to issues like reseeding and mis...

Open access Research Article 10.9734/jerr/2025/v27i111708

Integrating Data-Driven Continuous Improvement Frameworks within ERP-Enabled Manufacturing Environments

Akinyemi Sadeeq Akintola, Ododoade Idowu Adewuyi, Onyemere Ijeoma Juliet, Oladele Esan & Confidence Ngozika Confidence · Journal of Engineering Research and Reports · 2025

Aims: This study aims to explore the integration of data-driven Continuous Improvement (CI) frameworks with Enterprise Resource Planning (ERP) systems in manufacturing environments to enhance operational efficiency and competitiveness. Specifically, it seeks to determine how ERP-...

Open access Research Article 10.9734/jerr/2025/v27i111706

Study on the Influence of Injection Timing from Fuel Injectors on In-Cylinder Gas Flow in Dual-fuel Free-piston Engines

Zhiao Zhang · Journal of Engineering Research and Reports · 2025

Injection duration is a key parameter affecting in-cylinder mixture formation and combustion in dual-fuel free-piston engines. This study utilizes a coupled numerical model to investigate its impact across a range of 0.05 to 0.25 ms. Simulation results indicate that a short injec...

Open access Research Article 10.9734/jerr/2025/v27i111704