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786 articles for “Operational research”
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Security Solutions for Common QR Code Hacking Attempts in a Mobile App
Abstract: In this digital era, more and more customers are opting for financial transactions employing technology-enabled hand-held devices as opposed to the traditional banking. Mobile banking apps are growing to be more and more powerful incorporating various advanced features and customizations such as investments, bill payment, effective budgeting, account history, online shopping, convenient payment, etc. to name a few. This aims at providing convenient banking for a customer from anywhere at …
Published in Journal Of Network security · Vol. 11, Issue 1, 2023 · pp. 8–23 Read article
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article
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Performance Evaluation of H 2 SO 4 -Rice Husk-Moss Adsorbent for the Removal of Zn (II) Ion from the Effluent of Science Equipment Development Institute (SEDI)
Abstract: This research was carried out to investigate the potential of green algae (moss) with the support of H 2 SO 4 treated rice husk activated carbon using batch adsorption process for the removal of Zn (II) ions from SEDI industrial effluent. The rice husk- moss algae was activated using H 2 SO 4 . The effluent was characterized using atomic absorption spectrophotometer with initial concentration values of 12.3 mg/l for …
Published in Journal of Catalyst & Catalysis · Vol. 9, Issue 1, 2022 · pp. 6–15 Read article
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Windows Registry in Forensic Analysis: A Literature Review
Abstract: AbstractDigital forensics is the buzzword in the present era of “the Information Age.” It deals with the acquisition, preservation, and analysis of digital evidences. The digital forensic field is very vast. It includes operating system forensics, network forensics, web forensics, client side forensics and server side forensics, etc. A pool of operating systems is available but the Windows environment is ubiquitous in many organizations. Windows operating systems store vast data …
Published in Journal of Computer Technology & Applications · Vol. 4, Issue 2, 2013 · pp. 30–34 Read article
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Hidden Buck Chopper Circuits Topology in a Switch Controlled Singe Phase Rectifier, Size and Cost Analysis
Abstract: This paper shows hidden buck chopper circuits topology in a single phase switch controlled full wave rectifier. Justification of this realization yields the opportunity to use the single circuit structure for both AC to DC and DC to DC conversion processes. Generally, two diodes out of four diodes are replaced by two switches to offer voltage gain and input power factor regulation in a single phase full wave rectifier. Such …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 17–28 Read article
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Parametric optimization of end milling operation on EN24 – A Mapping Review
Abstract: The milling of EN24 hardened steels has been applied in many cases in production. The purpose of this review is to study the effect of influence of milling operation parameters such as cutting speed, feed and depth of cut on the material removal rate and surface roughness in milling of EN24 steel. The effect of milling operation parameters are evaluated for minimum surface roughness and maximizing material removal rate. Maximum …
Published in Journal of Production Research & Management · Vol. 8, Issue 3, 2018 · pp. 42–48 Read article
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A Monte Carlo Simulation Approach to Decision Analytics in Manufacturing and Industrial Automation Project Management
Abstract: Manufacturing and industrial automation projects face high uncertainty and risk arising from factors such as complex supply chains, equipment variability, and fluctuating production demands. If not properly managed, these uncertainties can lead to costly delays, unplanned downtime, and budget overruns that jeopardize project success. Given the shortcomings of deterministic planning in such volatile environments. If not properly managed, it can lead to costly delays and failures if not properly managed. …
Published in Journal of Production Research & Management · Vol. 15, Issue 2, 2025 · pp. 1–12 Read article
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Conflict Resolution and Long-term Planning: A Case Study of Bangladesh’s Marine Areas
Abstract: Bangladesh has a significant maritime area (118,813 km2 ), about equal to its land area. As a result, this vast marine area has prompted Bangladesh to exploit its maritime resources in a sustainable manner, which has been dubbed the “Blue Economy.” Bangladesh's maritime region is used for a number of activities, including fishing, shipbuilding, shipping, oil and gas exploration, tourism, energy, and military exercises. User-user conflict and user-environment conflict are …
Published in Journal of Offshore Structure and Technology · Vol. 11, Issue 2, 2024 · pp. 15–33 Read article
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Improving Node Efficiency in Wireless Sensor Networks Using Advanced Clustering and Routing Techniques
Abstract: Many Internet of Things (IoT) applications, such as disaster relief, smart buildings, smart farming, and healthcare monitoring, have made use of wireless sensor networks (WSN). It is one of the alternatives to address different IoT difficulties in different contexts. One of the main problems with sensor networks is power efficiency. WSN operated on the Client-Server (CS) architecture in the past, however researchers suggested Mobile Agent (MA) based WSN to increase …
Published in Recent Trends in Sensor Research & Technology · Vol. 11, Issue 2, 2024 · pp. 35–64 Read article
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Dielectric Elastomers in Actuation and Energy Applications: Material Behavior and Design Strategies
Abstract: Dielectric elastomers (DEs), a class of electroactive polymers, have attracted significant attention for their ability to undergo large, reversible deformations under electric stimulation. This unique capability makes them highly suitable for a range of actuation and energy harvesting applications, especially in the emerging fields of soft robotics, flexible electronics, artificial muscles, and sustainable power generation systems. DEs offer compelling advantages such as low weight, mechanical flexibility, high energy density, and …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 3, Issue 1, 2025 · pp. 13–18 Read article
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Physical Modeling of Mass Transport Processes in Extraterrestrial Landscapes
Abstract: Currently the progress in physical models based on mass transport in both the Earth's surface and extraterresterial landscape has been growing. It is a frame work involving different natural and made made processes including aeline process, fluid flow process, magmal movement, Geomagnetic stroms, and clould flow modesl etc. These process encorporates Physical models and appraches which help to simulate, compute and experiment in order to reduce complexity. However, their operating …
Published in International Journal of Universe · Vol. 1, Issue 2, 2025 · pp. 47–54 Read article
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Parallel Greedy Approach for Phylogenetic Tree Construction in the Context of Marine Species
Abstract: The rebuilding of phylogenetic trees for marine species shows major computing problems because of the massive genomic data and the huge biodiversity inherent in ocean ecosystems. Traditional phylogenetic methods are accurate but become more expensive when they are processing with thousands of marine taxa parallelly. This article shows a critical analysis of parallel greedy algorithms as an adaptable solution for large-scale marine phylogenetics. It examines the main principles of greedy …
Published in International Journal of Algorithms Design and Analysis Review · Vol. 4, Issue 1, 2026 · pp. 33–45 Read article
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Evaluating EC and TDS Concentration over Temperature Effect for Different Packed Bed Unit Treatment
Abstract: In this research, we evaluated the concentration of Electrical conductivity, Total Dissolved Solid and the effect of Temperature for the different packed bed units set up for treatment. The bio-adsorbents used were plantain stem fiber, banana stem fiber and palm fruit fiber and the investigation was aimed to examine the effect of EC, TDS and temperature on the performance of the bio-adsorbents in a packed bed unit The investigation was …
Published in Emerging Trends in Chemical Engineering · Vol. 10, Issue 3, 2023 · pp. 37–48 Read article
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A quasi experimental study on effect of sponge bath on reducing discomfort among post operative general surgery patients in a selected Hospital at Chandigarh 2011
Abstract: Background: Bathing is considered a necessary and therapeutic nursing intervention since it provides hygienic care for clients. Bathing removes sweat, oil, dirt and micro-organisms from the skin, assists in decreasing body odour and the potential for infection, stimulates circulation and provides clients with a refreshed and comforted feeling. Objective: To study the effect of sponge bath on reducing discomfort among post operative general surgery patients. Methods: Study was conducted on …
Published in Research and Reviews : Journal of Surgery · Vol. 6, Issue 2, 2017 · pp. 1–5 Read article
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Anterior Cruciate Ligament Reconstruction with a Synthetic Material Graft: Surgical Techniques and Effectiveness
Abstract: The aim of our study is to analyses the clinical results of reconstruction using the synthetic material in patients who had presented with a symptomatic torn anterior cruciate ligament. Method: Between January 2014 and January 2018, we have researched 42 patients with isolated, symptomatic anterior cruciate ligament injury. Before the operation, all the patients should be taken physical examination and analysed; physical findings and functional scores were recorded and knee …
Published in Research and Reviews : Journal of Surgery · Vol. 10, Issue 3, 2021 · pp. 8–13 Read article
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Green Finance and India’s Climate Commitments: Aligning Financial Systems with Sustainable Development Goals
Abstract: India’s commitment to addressing climate change, as reflected in its Nationally Determined Contributions (NDCs), net-zero ambitions, and alignment with the United Nations Sustainable Development Goals (SDGs), has placed green finance at the center of the country’s sustainable development agenda. Green finance involves directing capital and investment flows toward projects and initiatives that are environmentally sustainable. It supports efforts to reduce climate-related risks, enhance resilience to environmental changes, and promote economic …
Published in International Journal of Sustainability · Vol. 3, Issue 1, 2026 · pp. 49–54 Read article
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Recent Trends and Techniques in the Advanced Microcontroller Bus Architecture (AMBA) Protocol: A Comprehensive Review
Abstract: ARM has created the Advanced Microcontroller Bus Architecture (AMBA) that is used as the main method for communication on chips in today’s embedded systems. Since AMBA is built to scale and combine with other components, it allows data transfer to high-performance and low-power components easily. The paper discusses how AMBA protocols have evolved and presents new trends of producing higher data rates, conserving energy, and lowering latency. This study offers …
Published in Recent Trends in Electronics Communication Systems · Vol. 12, Issue 3, 2025 · pp. 9–15 Read article
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Study on Brain Tumor Detection Using Morphological Operations in MATLAB with Graphical User Interface (GUI)
Abstract: Brain tumor detection plays a crucial role in early diagnosis and effective treatment planning. This research presents a MATLAB-based Graphical User Interface (GUI) for Brain Tumor Detection, incorporating a comprehensive pipeline of image processing techniques. The GUI provides a user-friendly platform, empowering medical professionals to accurately and efficiently analyze MRI brain scans. The GUI begins with text removal to eliminate any textual artifacts that may be present in the MRI …
Published in International Journal of Radio Frequency Innovations · Vol. 1, Issue 1, 2023 · pp. 24–31 Read article
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Designing Ventilation Systems That Can Handle Extreme Weather
Abstract: Climate change is making extreme weather events like heat waves, cold spells, hurricanes, and wildfire smoke episodes more common and stronger. This is a big problem for traditional ventilation systems. This paper analyses the concepts and efficacy of resilient ventilation design in structures subjected to fluctuating and extreme environmental conditions. The research assesses the capacity of ventilation systems to uphold indoor air quality, thermal comfort, and operational continuity during extreme …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 13, Issue 1, 2026 · pp. 1–14 Read article
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Brain Machine Interface: A Review of Current Technologies and Future Directions
Abstract: Brain Machine Interface (BMI) is a rapidly growing field that aims to establish direct communication between the brain and an external device. This technology has the potential to restore lost motor and sensory functions in people with neurological disorders or injuries. A brain-computer interface (BCI) is a technology that converts signals from the brain into instructions for computers or other gadgets. This innovation allows individuals to engage with their surroundings …
Published in International Journal of Biomedical Innovations and Engineering · Vol. 1, Issue 1, 2023 · pp. 14–24 Read article