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91 articles for “Valves”
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Optimization of Control Parameters Based on Genetic Algorithm Technique for Integrated Electrohydraulic Servo Actuator System
Abstract: Electrohydraulic servo systems have been used in industry in a wide number of applications. Its dynamics are complex and highly nonlinear, these features significantly add uncertainty to the controller design procedure. Therefore, it is a demanding task to obtain a precise mathematical model of controlled servo systems. The present paper presents the development of a detailed non-linear mathematical model of the ISA and a computer simulation program using MATLAB/SIMULINK package. …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 3, 2019 · pp. 24–41 Read article
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Precision Agriculture Revolution: A Low-cost Smart Irrigation System Empowered by IoT for Small-scale Farmers
Abstract: Precision agriculture powered by Internet of Things (IoT) is transforming traditional farming practices for improved crop yield and sustainability. This paper presents the architecture, implementation and testing of a low-cost smart irrigation system aimed at optimal utilization of water resources for small-scale farmers. The automated system monitors a suite of sensors that provide field data such as soil moisture, temperature, humidity. An intelligent controller processes this information to operate water …
Published in Journal of Mechatronics and Automation · Vol. 10, Issue 3, 2023 · pp. 21–29 Read article
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The Energization Transients of 6-Pulse Rectifier Circuits
Abstract: This paper addresses the energization transients of 6-pulse rectifier circuits. It applies anefficient representation of the diodes in order to describe their performance in both theforward and reverse directions. Without any loss of generality, the suggested method isapplied to the classical un-controlled six-valve full-wave rectifier bridge configuration. Theeffect of the load resistance, the eventual presence of smoothing shunt-capacitors and seriesinductors as well as the waveform of the supply voltage is …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 1, 2020 · pp. 18–30 Read article
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Comparative Study between Smart Controls and Conventional Bottom Hole Completions
Abstract: This research project made use of Schlumberger’s “ECLIPSE 100” reservoir simulator to predict the performance of a reservoir with an overlying gas cap and an underlying aquifer (i.e., a three- phase Water-Oil-Gas reservoir) under conventional BHC techniques. Additional work was done to ascertain the suitability of incorporating an Intelligent Well (IW) to deal with water production problem by placing Inflow Control Valves (ICV) at particular segments in the well to …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 77–89 Read article
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A Study on Economic Dispatch Solution with Environmental Issue Using Genetic Algorithm
Abstract: This paper attempts to solve the problem of economic load dispatch (ELD) keeping in view the environmental issue of ever increasing pollution which leads to the various health issues. It is important to check and control the emission as well. Besides the classical ELD constraints, valve point loading effect and emission constraints are also considered and generators are scheduled for the most optimum solution. The researcher attempts to study the …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 10–16 Read article
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The Analysis of Bridge Rectifier Circuits using Mathematica
Abstract: This paper addresses the steady-state and transient analysis of bridge rectifiers. It starts withsuggesting an efficient representation of the diodes. A single equation that describes thediode’s performance in both the forward and reverse directions is presented. It implicitlytakes the voltage polarity into account. Without any loss of generality, the suggested method isapplied to the classical uncontrolled four-valve full-wave rectifier bridge configureuration.The effect of the load resistance and the eventual presence …
Published in Trends in Electrical Engineering · Vol. 10, Issue 1, 2020 · pp. 30–42 Read article
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Diaper Dissolving Machine
Abstract: In landfills, there are approximately 3.5 million tonnes of disposable diapers, according to the Environmental Protection Agency (EPA). Currently, used diapers are disposed of through burning, burying in the ground, or improper disposal on the ground, including illegal dumping by caregivers. These careless disposal practices pose the risk of spreading infectious diseases and contribute to environmental degradation. To address this significant problem, we propose a suitable nappy waste management system. …
Published in Trends in Machine design · Vol. 10, Issue 2, 2023 · pp. 22–41 Read article
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Design and Performance Evaluation of a Solar-Assisted Electric Bicycle for Sustainable Urban Transportation
Abstract: The increasing demand for sustainable transportation and the depletion of fossil fuel resources have accelerated the development of environmentally friendly mobility solutions. Electric bicycles have emerged as an effective alternative for short-distance transportation due to their low energy consumption and reduced environmental impact. However, their dependence on grid-based charging limits their sustainability, particularly in regions with inadequate charging infrastructure. This study presents the design, development, and performance evaluation of a …
Published in Journal of Automobile Engineering and Applications · Vol. 13, Issue 2, 2026 · pp. 31–46 Read article
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Infective Endocarditis, Result of Chronic Periodontal Disease: A Real and Present Danger
Abstract: Introduction: Endocarditis is an inflammation of the endocardium, the inner lining of the heart and heart valves. It is usually caused by bacteria and is associated with high mortality and morbidity. It can result from transient bacteremia from the oral cavity. Streptococci are the primary colonizers of tooth surface and are instrumental in development of the complex oral biofilm, dental plaque. Streptococcus sanguinis is one of the abundant oral commensals …
Published in Research and Reviews: A Journal of Dentistry Read article
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Intelligent Plant Watering System with Arduino Uno
Abstract: The working version of this intelligent irrigation system reduces water use by dynamically watering plants based on their requirements. The system calculates water needs by recording soil temperature and moisture using Arduino electronics and soil moisture sensors. Water is released quickly and is saved up to 80% by triggering a solenoid valve. The affordable approach works well for farming, maintaining lawns, and maintaining parks, lowering hazards and streamlining work while …
Published in International Journal of Manufacturing and Production Engineering · Vol. 1, Issue 1, 2023 · pp. 26–32 Read article
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Types and Applications of Chemochromic Sensors
Abstract: Smart materials, also known as responsive or intelligent materials such as chemochromic materials changes colour upon exposure to a different environment or when react with different chemicals. Chemo chromic sensors are specially designed for robustness and can be used for leak detection in the vicinity of connections, valves, or Hydrogen line outlets. They can be altered, nevertheless, for a variety of uses. These are the materials whose colors and reflective …
Published in Recent Trends in Sensor Research & Technology · Vol. 10, Issue 2, 2023 · pp. 17–22 Read article
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Gypsum Addition in Moulding Sand to Manufacture Defect Free Tin Castings
Abstract: Sand molding is a versatile casting process that provides freedom of design with respect to size, shape, and product quality. Plaster casting is similar to sand molding process except that a plaster is substituted instead of sand. Plaster compound is composed of gypsum, which strengthens the mould. Parts made by this process are gears, valves, fittings, tooling, and ornaments. The finished product of plaster casting has a very high surface …
Published in International Journal of Fracture Mechanics and Damage Science · Vol. 1, Issue 2, 2023 · pp. 7–15 Read article
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Navigating the Principles and Practice of Oral Anticoagulant Therapy: A Comprehensive Healthcare Guide
Abstract: Oral anticoagulant therapy plays a critical role in the prevention and treatment of thromboembolic disorders, including atrial fibrillation (AF), venous thromboembolism (VTE), and mechanical heart valve replacement. This research article aims to provide a comprehensive overview of the principles and practice of oral anticoagulant therapy, focusing on the mechanisms of action, pharmacokinetics, clinical indications, monitoring, and management of associated complications. The cornerstone of oral anticoagulant therapy includes vitamin K antagonists …
Published in Research and Reviews: A Journal of Pharmacology · Vol. 15, Issue 1, 2025 · pp. 76–82 Read article
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Designing and Modeling of Giant Magnetoresistance (GMR) Materials based Devices in Electrical Power and Biomedical Systems
Abstract: This paper presents Designing and Modeling of Giant Magnetoresistance (GMR) Devices in Electrical Power and Biomedical Systems and the related materials. The GMR, inverse GMR, and Spin valve using exchange bias have been analytically derived and discussed from the designing point of view for optimizing the performance of the GMR based Devices in Electrical systems. More recently, GMR has been used in sensors, magnetic memory chips, and hard-disk read-heads. The …
Published in Research & Reviews : Journal of Physics · Vol. 14, Issue 1, 2025 · pp. 22–32 Read article
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Prevention of Water Overflows and Leakages at MPCOE Campus
Abstract: Water is one of the fundamental necessities of human life, essential for a wide range of daily activities. People rely on water for drinking, cleaning, cooking, irrigation, and industrial processes. To meet these needs, water is often pumped from ground storage to overhead tanks. However, the use of non-automated switches to operate pumping machines can lead to significant issues, such as water overflow and unnecessary electricity consumption. The proposed system …
Published in Journal of Water Resource Engineering and Management · Vol. 12, Issue 1, 2025 · pp. 43–51 Read article
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Dynamic Simulation of Load-Responsive Vapor Compression Refrigeration Systems
Abstract: Because of their dependable operation and effectiveness, vapor compression refrigeration systems, or vapor compression refrigeration (VCRS), have become popular in commercial, industrial, and residential settings. However, under different thermal loads, classic vapor compression refrigeration (VCR) systems may perform less well in that they are usually built for steady-state conditions and run at consistent speeds. In order to improve a load-responsive VCR system’s flexibility, energy efficiency, and response to changing cooling …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 12, Issue 2, 2025 · pp. 32–37 Read article
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Safety braking system to avoid the failure in air brake Hoses
Abstract: The braking system represents one of its most important components of any vehicle, as a failure can result in devastating accidents. This study describes the design and development of an Air Brake Hose Failure Detection and Safety Braking System to address the problem of brake failure in big vehicles. The system monitors the condition of air brake hoses in real-time and provides audio-visual alerts to the driver in case of …
Published in Recent Trends in Fluid Mechanics · Vol. 12, Issue 3, 2025 · pp. 51–55 Read article
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Intelligent Water Distribution Management using IoT
Abstract: Water plays a vital role in agriculture, making its efficient management essential for sustainable crop production. However, undetected leaks in irrigation systems can result in significant water loss, irregular watering of fields, soil degradation, and reduced crop yield. Conventional methods like manual inspection are not only labor-intensive but also ineffective in identifying leaks promptly – emphasizing the need for a smarter and automated approach to water monitoring. To address this …
Published in Research and Reviews : Journal of Crop science and Technology · Vol. 15, Issue 1, 2026 · pp. 18–27 Read article
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Pneumatic Operated Engine
Abstract: The increasing awareness of fossil fuel depletion & environmental pollution has accelerated the need for the development of sustainable & eco-friendly alternatives to traditional internal combustion engines. Pneumatically operated engines have been identified as a potential alternative for small-scale mechanical power generation owing to their advantages of zero exhaust emissions, noise reduction & operational safety. This paper describes the design, development & performance analysis of a pneumatically operated engine, which …
Published in International Journal of Mechanical Dynamics and Systems Analysis · Vol. 4, Issue 1, 2026 · pp. 1–7 Read article
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Guanidine as a Starting Material for Preparing a Scale Inhibitor
Abstract: Oilfield scale inhibition, which can obstruct fluid flow in pipelines, valves, and pumps during oil production and processing, is critical for preventing scale formation. Effective scale inhibitors (SIs) minimize downtime and enhance productivity by preventing the build-up of insoluble crystals in water systems. In oil processing, scale formation results from the precipitation of salts due to incompatible aqueous phases, leading to equipment blockage. Phosphonates are highly effective chelating agents for …
Published in Journal of Petroleum Engineering & Technology · Vol. 16, Issue 1, 2026 · pp. 15–28 Read article