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84 articles for “Q-switch”
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IOT Based Monitoring and Controlling Substation Equipment
Abstract: The project ”IoT-Based Monitoring and Controlling Substation Equipment” revolves around utilizing the Internet of Things (IoT) technology to make the substation equipment electrical monitoring and control easy. Timely monitoring of these substation equipment is utmost important in ensuring the stable and reliable operation of the power distribution system. This project will design a system whereby sensors collect real-time data on the key parameters such as voltage, current, temperature, humidity, and …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 3, Issue 2, 2025 · pp. 53–58 Read article
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Pattern Reconfigurable Yagi-Uda Antenna
Abstract: This study proposes a prototype of a reconfigurable Yagi-Uda Antenna that is capable of reconfiguration of the radiation pattern. The proposed flexible antenna will work as the director, and reflector can be switched in a Yagi-Uda set up antenna by using a radio frequency PIN diode. The radiating signals can be directed at desired signals away from undesirable signals that are impinging on the antenna in opposite directions. The antenna …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 3, 2025 · pp. 14–20 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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ChatGPT vs. Google Search Engine: Usage and Popularity Among Bangladeshi University Students
Abstract: The cultivation of new educational technologies, particularly artificial intelligence (AI), has transformed the world of education. AI-based systems like ChatGPT are quickly emerging as the go-to platform for students. This study intends to analyze and evaluate the use and reliability of ChatGPT and Google search engine as resources for learning among public and private university students in Bangladesh. The study used Google Forms questionnaires with 31 respondents, mostly students, and …
Published in Journal of Web Engineering & Technology · Vol. 12, Issue 3, 2025 · pp. 01–14 Read article
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Design of Power Line Management System Using Power Line Communication for Home Appliances
Abstract: Home power utilization has a tendency to develop in the extent to the increment in the quantity of expansive measured electric home appliances. An installed system with no new additional wiring has been made for home power the board. By utilizing Power Line Communication (PLC) innovation, electric home appliances can be controlled and monitored through household power lines. We portray a PLC modem that coordinates the different AC power attachments, …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 1–7 Read article
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Reliability-Aware Mathematical Model for Radiation-Hardened Satellite Communication Systems
Abstract: Satellite communication systems operate in radiation environments in which total ionizing dose (TID), displacement damage, and single-event effects (SEE) can progressively degrade electronic, optoelectronic, and communication components and can ultimately reduce link availability and mission reliability. This paper develops a Reliability-Aware Radiation-Hardened Satellite Communication Model (R-RHSCM) that mathematically couples the orbital radiation environment, accumulated radiation dose, component degradation, communication-link performance, single-event failure probability, redundancy, thermal effects, and adaptive mitigation. The …
Published in Research & Reviews : Journal of Space Science & Technology · Vol. 15, Issue 2, 2026 Read article
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Operative Protection Fortitude for Agip 1x15 MVA, 33/11KV Injection Substation
Abstract: The Electrical Power System generally consist of the Generation, transmission and distribution and this system require an adequate protection in it layers of operation to help protect electrical loads and equipment from damaging as to ensure healthy and quality power supply in the power system. The fault associated with this substation are short circuits, overloads, phase unbalance/imbalance, poor usage of protection which in turns causes regular trips/damage on equipment at …
Published in Journal of Electronic Design Technology · Vol. 13, Issue 3, 2022 · pp. 1–8 Read article
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Room Light Controller with Bidirectional Visitor Counter
Abstract: With the speed at which technology is developing today, automation is essential for increasing productivity, preserving energy, and enhancing consumer ease. The concept and implementation of an automatic room light controller with a bidirectional visitor counter are presented in this study. By detecting the presence and quantity of people in a room, the device is designed to automatically adjust the lighting, cutting down on wasteful electricity use. Pairs of Infrared …
Published in Journal of Microcontroller Engineering and Applications · Vol. 12, Issue 3, 2025 · pp. 33–37 Read article
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Modeling of Fuzzy Logic Controller for Photovoltaic Maximum Power Point Tracker
Abstract: In this paper a fuzzy logic controller for maximum power point tracker of photovoltaic (PV) energy system isintroduced. This controller uses a boost converter to control the terminal voltage of PV system to work at themaximum power point. The load side consists of battery and control switches to control the power flow from thePV system to the battery and the load. The system is modeled using Matlab/Simulink program. The output …
Published in Trends in Electrical Engineering · Vol. 1, Issue 1-2-3, 2011 · pp. 23–35 Read article
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Design and Development of Electromagnetic Braking System Based on Electromagnetic Induction and Eddy Current
Abstract: In this paper, electromagnetic braking system has been developed that ensures passenger’s, driver’s and other road user’s safety and comfort. Most of the conventional braking system like mechanical, hydraulic, pneumatic have certain limitations. In mechanical brake, erosion of the mechanical pads is carried out by frictional force and requires periodic replacement of the bearing. Fluid leakage in hydraulic and pneumatic could lead to brake failure and reduces the effectiveness of …
Published in Trends in Machine design · Vol. 9, Issue 3, 2022 · pp. 9–23 Read article
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Electrical Data Monitoring, Controlling and Power Factor Correction Using PIC18F458
Abstract: Nowadays, the power quality of the AC system has become of great importance due to the rapidly increased in electronic equipment, power electronics devices and high voltage power system equipment. Commercial and domestic industries in the country have large electrical loads which are generally inductive in nature causing lagging power factor which gives high penalties to the consumer by electricity board. Power factor correction is the absorbing capacity of the …
Published in Trends in Electrical Engineering · Vol. 8, Issue 2, 2018 · pp. 33–38 Read article
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A Survey on Ultra Low Power Design Techniques for IOT Application
Abstract: AbstractInternet of Things (IOT) is evolving as technology’s megatrend, unlocking new opportunities and questions for the semiconductor industry. IOT sensing and actuation devices essentially should be low cost and also should deliver a complete System on Chip (SOC) solution capable of computation, security and wireless communication at very low power levels. The sub-threshold operation, Radio Frequency (RF) redesign, and extreme optimization techniques can minimize power consumption of IOT devices. This …
Published in Current Trends in Information Technology · Vol. 7, Issue 3, 2017 · pp. 9–16 Read article
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Network Selection with Load Balancing in Wireless Heterogeneous Environment
Abstract: Coexistence of various wireless radio access networks (RAN) and ability of mobile terminals to switch between them efficiently makes an optimal selection of serving mobile networks for groups of mobile-clients a major challenge with efficient load balancing. To overcome this problem, more flexible heterogeneous wireless networks (HWN) are required with the advantage of mobility, consistency, ubiquitous provision and improved spectral efficiency. In this paper, network selection with load balancing criteria …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 3, Issue 3, 2016 · pp. 7–15 Read article
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Drilling machine operations and characteristics, including benefits and drawbacks
Abstract: The drill press's capabilities vary depending on the machine's electronic motor, pillar diameter, spindle nose, travel, speed, and spindle speed. These are widely utilised in the automotive, printing, and engineering industries to improve the machine's consistency and tensile strength while quickly transitioning to resistive materials with high-quality results. Industries that require the mixing and grinding of solid and liquid material frequently use milling cum drilling machines.Drilling equipment is classified based …
Published in Trends in Mechanical Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 12–16 Read article
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Microgrid Stability and Control Issues: A Review
Abstract: Microgrid are the key solution to implement Smart Grid for integration of renewable and distributed energy resources. This paper presents a discussion on the stability and control issues of microgrid with their solution and it Investigates some aspects of stability in microgrids and A hierarchical coordination strategy with primary, secondary, and tertiary coordination are reviewed for economic operation of community microgrid. Due to these problems with the existing power system, …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 2, 2023 · pp. 37–47 Read article
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Performance Evaluation of Adaptive MIMO-OFDM System Model for Wireless Networks
Abstract: Enormous growth of wireless technologies and research trends in networking has developed many useful applications. Wireless networks with various protocols and standards are huge in demand because of the expansion of internet of things (IoT). All wireless networks demand for high data rate, low energy consumption, higher throughput, more reliability, better quality of services (QoS) and quality of information (QoI). This paper presents multiple in multiple out (MIMO) orthogonal frequency …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 4, Issue 1, 2017 · pp. 17–23 Read article
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THE EFFECTS OF ENERGY CONSUMPTION ON THE TURNING PROCESS FOR VARIOUS WORK-PIECE MATERIALS
Abstract: The study modified its goal to energy-intensive titanium alloys, contrasting traditional and high-speed machining processes. According to the study, a solution is needed to reduce or optimize energy use. So, a machined component energy footprint model was created. Several cutting speeds were used to calculate (k). Material removal rates were compared to cutting speeds for a range of materials and levels of detail. A strategy for selecting optimal cutting conditions …
Published in Journal of Polymer & Composites · Vol. 12, Issue 4, 2024 · pp. 54–65 Read article
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Harmonic Compensation in Grid Interconnected DG Units by Closed Loop Control
Abstract: This paper deals with improvement of power quality problem namely harmonic problem using distributed generation as their source of electricity. The harmonics occur in such a system because of the nature of loads connected. There are many power quality problems; out of which harmonics normally caused by nonlinear loads like variable frequency drives, fluorescent lightning, office computers etc. have adverse effects on the power quality. Also, harmonic detection and prediction …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 9–17 Read article
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Algorithmic Trading Using Artificial Intelligence and Machine Learning Algorithms
Abstract: Algorithmic trading conducts trades quickly and effectively using algorithms that follow a trend and predetermined set of instructions. In addition, algorithmic trading reduces the influence of human emotions on trading, leading to increased market liquidity and more precise and accurate trading. Automated trading for day-to-day trading, depending on varied market situations, the bot will automatically trade user strategies in addition to its own algorithms, providing the best trade turnover, reducing …
Published in Current Trends in Information Technology · Vol. 13, Issue 2, 2023 · pp. 23–28 Read article
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IoT-enabled Assistive Gloves for Individuals with Disabilities
Abstract: Every year, new technologies emerge, leaving varying degrees of impact on our daily lives, where some make a significant mark while others quickly fade into obscurity. Among the myriad of cutting-edge technologies, the Internet of Things (IoT) is particularly notable. In the present world, there are individuals who lack the ability to hear and speak, as well as those who face disabilities that hinder their social interactions. These individuals encounter …
Published in International Journal of Algorithms Design and Analysis Review · Vol. 1, Issue 2, 2023 · pp. 23–30 Read article