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785 articles for “Operational research”
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Advancements in Battery Monitoring for Electric Vehicle Optimization
Abstract: The shift towards electric vehicles (EVs) is inevitable as we move towards a more sustainable future, necessitating the development of more efficient EV technologies. Central to any EV is its battery management system (BMS), comprised of intricate electronic circuits like converters and inverters. The BMS is crucial for optimizing battery performance by monitoring and regulating key parameters such as current, voltage, state of charge (SOC), and temperature. Because of its …
Published in Journal of Thermal Engineering and Applications · Vol. 11, Issue 1, 2024 · pp. 8–13 Read article
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The Effect of Er,Cr:YSGG Laser Treatment to Healing of Orthodontically Stimulated Gingival Enlargements
Abstract: Objectives: The objective of this study was to evaluate the healing process of gingival enlargement in adolescents with and without fixed orthodontic appliances by using erbium, chromium:yttrium-scandium-gallium-garnet laser (Er,Cr:YSGG) and scaling-root planning and conventional scalpel for 3 months follow-up. Material and method: 30 patients with gingival enlargement divided in three groups were treated. Control group, without fixed orthodontic appliances, were treated mechanically by scaling-root planning and conventional scalpel only. Test …
Published in Research and Reviews: A Journal of Dentistry · Vol. 10, Issue 3, 2019 · pp. 27–33 Read article
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Research on Synchronous Generators AC Excitation Regulation Control System
Abstract: Based on various methods to supply excitation power to the synchronous generator it is categorized in three different types of excitation systems for synchronous motor. The first one is DC excitation system, second is AC excitation system and third one is static excitation system. The increasing size of contemporary power systems ensures system dependability and stability. A better supply of power is vital and has a big influence on improving …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 2, 2024 · pp. 10–16 Read article
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AI Activity to Enhance Productivity, Creativity, and Sustainable Development of AI in Healthcare
Abstract: The application of artificial intelligence (AI) in healthcare is revolutionizing the industry by fostering both productivity and creative approaches to patient care and medical research. This study explores how artificial intelligence (AI) is reshaping healthcare by streamlining workflows, improving diagnostic precision, and supporting personalized treatment plans. AI-powered technologies are reshaping the way medical professionals approach patient care, providing tools that not only automate routine administrative and clinical tasks but also …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 12, Issue 1, 2025 · pp. 21–29 Read article
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Solar Panel Maintenance and Prevention System
Abstract: Solar energy has emerged as a sustainable and efficient alternative to conventional energy sources. However, maintaining solar panels is crucial to ensure optimal performance and longevity. Accumulation of dust, dirt, and environmental debris can significantly reduce energy efficiency, leading to increased operational costs and potential system failures. To overcome this issue, we suggest an IoT- based Solar Panel Maintenance and Prevention System that facilitates automated cleaning and preventive maintenance via …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 16, Issue 2, 2025 · pp. 29–34 Read article
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The Impact of Spiritual Well Being on Self Concept Clarity and Emotional Intelligence Among Adults
Abstract: Spiritual well-being (SWB) plays a vital role in shaping psychological resilience, emotional regulation, and self- awareness. This study examines the impact of spiritual well-being (SWB) on self-concept clarity (SCC) and emotional intelligence (EI) in adults aged 20-40, while also exploring age and gender differences. SWB, defined as a sense of purpose, inner harmony, and connectedness, influences psychological resilience and emotional regulation. Using the Spiritual Well-Being Scale (SWBS), Self-Concept Clarity Scale …
Published in International Journal of Education Sciences · Vol. 2, Issue 2, 2025 · pp. 50–58 Read article
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The Assessment of Electric Vehicle Fire Risk Using the Failure Tree Analysis
Abstract: With the global shift toward sustainable transportation, the widespread adoption of electric vehicles (EVs) is rapidly becoming a reality, largely driven by growing environmental awareness and concerns over climate change. However, alongside this transition comes a set of emerging challenges, most notably, the increasing incidence of EV-related fire hazards, which have attracted significant public and media scrutiny. This situation highlights the urgent need for a detailed and systematic approach to …
Published in Journal of Industrial Safety Engineering · Vol. 12, Issue 2, 2025 · pp. 27–38 Read article
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Towards a Sustainable City: Evaluating a Dynamic Model for Urban Operation
Abstract: This paper examines the theory of the polycentric city, building on the transformation of urban operations that occurred during the pandemic. It investigates how cities and their residents adapted to measures and precautions during the pandemic, exploring the potential for a new dynamic model. This model incorporates an updated polycentric theory, integrates new technology, and adheres to sustainable development principles, with the aim of creating a sustainable, climate-friendly, and user-centric …
Published in Journal of Construction Engineering, Technology & Management · Vol. 13, Issue 3, 2023 · pp. 24–36 Read article
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Sustainable Energy Integration: A Holistic Review of Microgrid Advancements and Future Prospects
Abstract: The escalating global energy crisis, coupled with growing apprehensions about fuel depletion, electricity scarcities, and the escalating threat of global warming, underscores the urgency of seeking sustainable solutions. Clean and renewable energy sources such as solar and wind power offer potential remedies through distributed generators. Microgrids, positioned as crucial interfaces linking power generated by distributed generators based on renewable energy resources to the broader power system, have emerged as a …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 13, Issue 3, 2023 · pp. 40–48 Read article
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A review of the intelligent techniques for load forecasting of UHBVNL
Abstract: The primary aim of load forecasting is to know the change in power demand with the variable factors on a short-term, medium-term, and long-term basis and to evolve our power system network according to the changing variables. It ensures correct values to the operations, stability, demand management, scheduling generating capacity, efficiency, reliability, accuracy, economy, controlling, scheduling, security analysis, environmental sustainability, etc. Various forecasting techniques are there which are making it …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 30–38 Read article
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A Review: Application of Ant Algorithm in Transport Network Design Problems
Abstract: A dependable and reliable information source for transportation route planning and ready response to traveler demand, have become a hot topic of research these days. Transportation route planning, analysis and processing of traveler demand are among most important factors affecting response to traveler demand. Because of highly dynamic networks and frequent discontinuity, it is desirable to establish routes for fast delivery of people and goods, having a low probability of …
Published in Trends in Transport Engineering and Applications · Vol. 3, Issue 3, 2016 · pp. 17–22 Read article
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Hydro-distension Assisted Dissection of the Distal Pouch in PSARP: A Novel Technique
Abstract: Posterior sagittal anorectoplasty (PSARP) is the standard treatment of high and intermediate anorectal malformations (ARM). Meticulous identification and preservation of structures and their proper anatomical reconstruction are essential principles to obtain optimal results. Whilst there have been studies to help identify the recto-urethral fistulae itself, through endoscopic or radiologic means, a technique to identify the rectal pouch and to make dissection easier has seldom been described. The aim of this …
Published in Research and Reviews : Journal of Surgery · Vol. 8, Issue 3, 2019 · pp. 1–3 Read article
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Performance evaluation of MB plough with combination of different Tillage Implements
Abstract: This study evaluates the performance of tractor-drawn tillage implements in various combinations on clay loamy soil. The research aimed to assess performance parameters such as field capacity, efficiency, depth and width of cut, and energy requirements during seedbed preparation. The experiments were conducted on a 40 × 30 m² plot using multiple tillage combinations, including moldboard (MB) ploughing, MB ploughing combined with cultivating, MB ploughing followed by rotavating, single-pass rotavating, …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 14, Issue 1, 2025 · pp. 20–26 Read article
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A Review of Torque Ripple Reduction Techniques in Switched Reluctance Motors
Abstract: Switched Reluctance Motors (SRMs) have emerged as a promising alternative to conventional motor technologies due to their rugged structure, low manufacturing cost, high-temperature capability, and suitability for harsh environments. Despite these advantages, the widespread adoption of SRMs in applications such as electric vehicles, household appliances, industrial drives, and aerospace systems is significantly restricted by the issue of torque ripple. Torque ripple manifests as periodic fluctuations in the developed electromagnetic torque, …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 3, Issue 2, 2025 · pp. 45–50 Read article
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Role of Nitric Oxide Synthase in Platelets of Breast Carcinoma
Abstract: Breast cancer is the leading problem of the world. Free radicals have unpaired electron which can be neutralised by human body for maintaining health, these free radicals are toxic, highly unstable and very reactive. Antioxidants and free radical scavengers protect cells from toxic effects in order to maintain redox state of the cell. Nitric oxide is one of the important free radicals synthesized from nitric oxide synthase. It has been …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 1, 2019 · pp. 36–39 Read article
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Evaluation of Health, Safety and Environment (HSE) Status in the Energypac Power Industry of Bangladesh
Abstract: Health, Safety, and Environmental (HSE) culture in Bangladesh is pivotal for fostering sustainable development and ensuring the well-being of its population. The aim of the study to assess the current Health, Safety, and Environment (HSE) standards and practices, to analysis the existing legal and policy framework and to show the status of safety in the Energypac Power industry of Bangladesh. Data collection was selected using a Primary method (Questionnaire, Interview, …
Published in Journal of Industrial Safety Engineering · Vol. 13, Issue 2, 2026 · pp. 10–15 Read article
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Energy system overview and the management of electric vehicles
Abstract: One of the practical technology solutions being researched to address the growing climate change challenges is the transition to an electric transportation sector. The possibility of intelligent cars and shared mobility programmes is also part of this transformation. The only source of power for an electric vehicle's propulsion and maintenance of a comfortable driving environment is stored electric energy. This dependency is a symptom that you need healthy energy. Management …
Published in Journal of Energy, Environment & Carbon Credits · Vol. 12, Issue 3, 2022 · pp. 28–34 Read article
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Fast Charging of Lithium-Ion Batteries Using a Full-Bridge Rectifier and Buck Converter with SOC Tracking
Abstract: This paper presents a simplified and cost-effective approach to electric vehicle (EV) fast charging by replacing the conventional neutral point clamped (NPC) converter with a full-bridge diode rectifier followed by a buck converter. The proposed topology is designed to deliver a regulated 80 V DC from a three-phase AC grid to charge a lithium-ion battery at a controlled current of 3 A. The converter design includes a three-phase diode bridge …
Published in Trends in Electrical Engineering · Vol. 15, Issue 2, 2025 · pp. 18–25 Read article
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Electromagnetic Propulsion Train for Future Transportation
Abstract: The Electromagnetic Propulsion Train project focuses on the development and analysis of a prototype system that achieves linear motion through the application of controlled electromagnetic forces. Unlike conventional railway systems that rely primarily on mechanical drive mechanisms such as wheels, axles, and traction motors, this project explores an alternative propulsion approach based on electromagnetic interaction. In this system, a sequence of electromagnets is strategically positioned along the track to generate …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 2, 2025 · pp. 25–31 Read article
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Sustainable Green Solvents: Ionic Liquid-Based Hydrogels
Abstract: Green solvents have been widely used in a wide range of applications, such as catalysis, separation sciences, energy storage and pharmaceutical applications. The main ingredient in the collection of the environmentally benign reagents is ionic liquids (ILs). Ionic liquid-based hydrogels are being used in the biological sciences and medicinal chemistry fields because of their excellent biocompatibility and biosafety features. The versatility of ionic liquids is great, as they can be …
Published in Journal of Polymer & Composites · Vol. 14, Issue 2, 2026 · pp. 1263–1274 Read article