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 Article10.9734/jerr/2025/v27i111718
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 Article10.9734/jerr/2025/v27i111719
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 Article10.9734/jerr/2025/v27i111717
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 Article10.9734/jerr/2025/v27i111714
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 Article10.9734/jerr/2025/v27i111715
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 Article10.9734/jerr/2025/v27i111716
This study presents the development of a mobile-based intelligent system for the detection and classification of soursop (Annona muricata Linn) leaf diseases using deep learning. Recognizing the limitations of traditional visual inspection methods used by smallholder farmers, the...
Open access
Research Article10.9734/jerr/2025/v27i111713
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...
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Research Article10.9734/jerr/2025/v27i111711
Background and Objective: Under the backdrop of the manufacturing industry achieving leapfrog improvements through technological innovation, the modular drilling multi-spindle head, with its advantages of modularization and customizability, has emerged as one of the critical equi...
Open access
Research Article10.9734/jerr/2025/v27i111712
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 Article10.9734/jerr/2025/v27i111709