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1433 articles for “Development and Operations”
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The Evolution of Ransomware: In-Depth Analysis of Threat Development and Modern Defense Mechanisms
Abstract: Ransomware is the most severe of all cybersecurity threats the contemporary digital world is confronted with. It is a form of malware that encrypts a victim's information and requests ransom, usually in cryptocurrency, for its decryption. From its first appearance in the late 1980s, ransomware grew from simple malware into very advanced and targeted attacks that can be used to bring down entire organizations, businesses and critical infrastructure. This study …
Published in Journal Of Network security · Vol. 13, Issue 3, 2025 · pp. 35–43 Read article
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AI-Powered Chatbot with Sentiment Analysis, Summarization, and Q&A for Business Automation
Abstract: Artificial Intelligence (AI) chatbots have become increasingly significant in recent years due to their ability to automate a wide range of business operations, improve user interaction, and create more efficient customer support experiences. The development of such systems goes beyond simple rule-based responses and now integrates advanced natural language processing (NLP) techniques to deliver contextually relevant and human-like interactions. This study introduces a chatbot framework that incorporates three major components: …
Published in Journal of Open Source Developments · Vol. 12, Issue 3, 2025 · pp. 01–05 Read article
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Electro Magnetic Force based Train
Abstract: The swift advancement in transportation technology encouraged scientists to seek out faster and eco-friendly propulsion techniques. The majority of transportation systems depend on mechanical engines and wheel-axle setups that generate friction, noise and energy dissipation. Because of these drawbacks there is potential for propulsion approaches. A contemporary technique is propulsion, which utilizes electromagnetic forces rather, than traditional mechanical movement. This research paper addresses the design and operation of a train …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 37–45 Read article
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Modeling and Analysis of the Impact of Natural Gas Composition Variations on Combustion in a Dual Fuel Compression Ignition Engine
Abstract: The desire to meet rising energy demands while simultaneously adhering to stringent climate policies has propelled advanced combustion technologies and alternative fuels. Natural gas (NG) is an attractive, domestically-available alternative that has been shown to achieve high efficiencies when used on dual fuel engines. However, the composition of NG can vary significantly depending on the source and these variations may detrimentally impact engine operation. To study these effects, a dual …
Published in Journal of Automobile Engineering and Applications · Vol. 5, Issue 2, 2018 · pp. 1–14 Read article
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Design and Fabrication of IoT Based Robot for Assistance in Rescue Operations in Flood
Abstract: Floods are one of the most common natural disasters that can sometime become extremely difficult to control. Rising sea levels, climate change and dependency on river basins or coastlines will increase frequency and probability of flooding in many regions of economic activity worldwide in coming decades. Existing rescue operations risks life’s of rescuers and doesn’t provide quick response. In the face of increasing frequency and intensity of flood-related disasters, the …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 3, 2023 · pp. 8–20 Read article
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Evolution of Protection Coordination Methods in Power Distribution Systems: A review
Abstract: This comprehensive paper presents a broad-ranging exploration of the multifaceted challenges inherent in coordinating over-current relays within distributed generation (DG) systems in the context of power grids. Within these systems, the pivotal roles of both protective devices and the overarching protection system are highlighted, emphasizing their joint responsibility in detecting short-circuit currents and swiftly isolating faulty components. The primary objective of this protection coordination is to ensure the meticulous selection …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 3, 2023 · pp. 9–16 Read article
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Gesture Connect Gesture Recognition for Sign Language
Abstract: A natural method of human-computer interaction, hand gesture recognition is a hot topic in computer vision and machine learning research. This field offers a wide range of potential applications, allowing users to interact with robots and system interfaces in a more straightforward and natural way without requiring additional hardware. One of the primary goals of gesture recognition research is to create systems that can identify gestures and use them to …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 32–41 Read article
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Developing a Model in Matlab/Simulink Environment for Induction Motor Considering Core Loss and Stray Load Loss
Abstract: This paper focuses on a Matlab/Simulink model of a squirrel-cage induction motor with consideration of core loss and stray load loss. This model is based on some mathematical expressions and also described through an equivalent circuit including core loss and stray load loss. The model of induction motor has been developed based on the state space equations in a synchronously rotating reference frame, where core loss and stray load losses …
Published in Trends in Electrical Engineering · Vol. 4, Issue 2, 2014 · pp. 1–12 Read article
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Analysis of Flow in Calandria Type Evaporator Using CFD
Abstract: Evaporation is the vital process involved in the sugar industry as this determines the quality and their efficiency at the earlier stage of production. Factors affecting the evaporation process are mass flow rate, temperature, pressure and velocity. Since flow of the sugar solution within the evaporator has a major impact on its overall performance a detailed study on it will be much useful to improve the efficiency. The flow of …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 2, Issue 1, 2015 · pp. 55–65 Read article
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Static Analysis of 4-Blade Marine Propeller
Abstract: Ships and underwater vehicles like submarine and torpedoes use propeller for propulsion. In general, propellers are used as propulsions and they are also used to progress significant plunge to propel the vehicle at its operational speed and RPM. Much has been said and published on the development of the marine propeller from the time of antiquity to the present age, but there is more to be done. This paper describes …
Published in Journal of Aerospace Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 8–21 Read article
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Static and Dynamic Analysis on 5-Blade Marine Propeller
Abstract: Ships and underwater vehicles like submarine and torpedoes use propeller for propulsion. In general, propellers are used as propulsions and they are also used to progress significant plunge to propel the vehicle at its operational speed and RPM. Much has been said and published on the development of the marine propeller from the time of antiquity to the present age, but there is more to be done. This paper describes …
Published in Journal of Aerospace Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 14–25 Read article
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Investigate the origin of the Hall Effect
Abstract: The Hall Effect was first recorded by a scientist named E. H. Hall. Detailed information on how the Hall effect is produced and what needs to be done to understand it is also provided here. After a brief introduction of the Hall operating rule and the basic characteristics of Hall devices, the most recent developments in the field are reviewed. It outlines: better information about the influence of device geometry …
Published in Journal of Nanoscience, NanoEngineering & Applications · Vol. 11, Issue 2, 2021 · pp. 8–13 Read article
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A New Field for Bioinformatics Laboratory
Abstract: The rapid technological change is transforming the world in which we live. Because laboratory services are defined by available products and tools of technology, this technological revolution is having a significant and profound effect on how clinical laboratories are organized, staffed, equipped, and operated. In this review, I discuss individually and collectively the advances and developments being made in the general areas of measurement, digital, and transportation technology and demonstrate …
Published in Research & Reviews: A Journal of Bioinformatics · Vol. 3, Issue 1, 2016 · pp. 14–17 Read article
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Significance and Applications of Plant Growth Promoting Rhizobacteria (PGPR) In Agriculture: A Review
Abstract: ABSTRACTBacteria that colonize the rhizosphere and plant roots, and enhance plant growth by any mechanism are referred to as Plant Growth-Promoting Rhizobacteria (PGPR). Pathogenic microorganisms affecting crop production is the major and chronic threat to food production and ecosystem stability in global level. As agricultural production intensified over the past few decades, producers became more and more dependent on agrochemicals as a relatively reliable method of crop protection helping with …
Published in Research & Reviews : Journal of Agricultural Science and Technology · Vol. 1, Issue 3, 2012 · pp. 9–22 Read article
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Design and Fabrication of Rice Seedling Plantation Machine
Abstract: India is agrarian country. Indian economy based on the agricultural field. It is the most important source of employment for the majority of the workforce in the country. About 70% of Indian workforce is engaged with the agricultural field for their livelihood. Among that India is a world highest percent to produce rice, accounting for 20% of all world Rice production. Rice is a more stable food in country. Develop …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 2, 2020 · pp. 23–29 Read article
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Controlling Movement of Vehicle Using Ultrasonic Sensor
Abstract: At the present years, the collisions are majorly caused by interruption of the driver to hit the brake or by the negligence by the driver. The present work aims to develop a model system that recommend an automatic braking in vehicle, which is system can operate spontaneouslywith the help of high profile sensors based on relay circuit and some changes in traditional braking system and apply the brake automatically in …
Published in Trends in Opto-electro & Optical Communication · Vol. 10, Issue 3, 2020 · pp. 22–27 Read article
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Low-Weight, High-Durability Crankshaft Development Using Glass Fiber Composites: Numerical and Experimental Investigations
Abstract: The present paper aims towards the weight reduction of crankshaft by replacing conventional medium carbon steel for a two-wheeler with composite material. The replacement is such that it significantly reduces load on other components without compromising structural integrity. It will also serves in terms of operating reliability or durability over its life span. A geometric specifications and dimensions were obtained using a 3D CAD model developed in CATIA V5. The …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 310–325 Read article
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A Review on Design and Flow Analysis of Quadcopter Propellers
Abstract: The quadcopter is a complex system in which propeller blades, aerodynamics, and structural behavior are tightly interlinked. Changing a small detail, such as blade angle or material, can significantly affect performance parameters like thrust and efficiency, as well as the drone's vibrations and stability in flight. Because quadcopters typically operate at Reynolds numbers between roughly 20,000 and 150,000, propeller theories developed for full-scale aircraft often fail to translate directly, making …
Published in Trends in Mechanical Engineering & Technology · Vol. 16, Issue 3, 2026 Read article
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Optimization of Transmission System by adopting 765/800KV Ultra High Voltage Network and its Technical Configurations
Abstract: In the era of persistent capacity shortages, ever increasing demand scenario, increased market operation and formation of National grid, new challenges have arisen in operation and control of large integrated and interconnected power system in India. The paper chronologies development of interconnected system in India from the state of independent utilities of 1950s to the well developed present interconnected National Grid. High voltage has been attractive proposition for large power …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 9, Issue 1, 2022 · pp. 31–42 Read article
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High Efficiency Linear Motion Using Sequential Coil Electromagnetic Propulsion Train
Abstract: The Electromagnetic Propulsion Train project efforts on developing a model that proves linear motion using exactly controlled electromagnetic forces. Dissimilar conventional railway systems that depend on mechanical drives, traction motors, and wheel–rail friction, this model uses a coordinated arrangement of electromagnets positioned along the track to generate attractive and repulsive forces, which together produce the essential propulsion. This method reduces dependence on mechanical movement and highlights the possible of magnetic …
Published in Trends in Mechanical Engineering & Technology · Vol. 15, Issue 3, 2025 · pp. 32–39 Read article