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54 articles for “Electromagnets”
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4-Channel Relay Driver Circuit and PCB Design
Abstract: Relay means “the act of passing something from one thing to another” the same thing can beapplied to devices because the signal received from one side of the device controls theswitching operation on the other side. So relay is a switch which controls (open and close)circuits electromagnetically. Relays plays an important role in protection of power systemand are frequently used in our electronic applications especially when we need to drive …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 6, Issue 1, 2020 · pp. 1–7 Read article
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Microwaves-Impact on our living!
Abstract: Electromagnetic Field (EMF) radiation is the flow of photons through space. Each photon contains a certain amount of energy, and the different types of radiations are defined by the amount of energy found in the photons. The electromagnetic spectrum is the range of all types of EM radiation. X-rays used in hospitals or the radio waves from a radio station are all part of this spectrum. Even when a building …
Published in International Journal of Microwave Engineering and Technology · Vol. 1, Issue 1, 2015 · pp. 20–22 Read article
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A Microstrip Rat-Race Coupler for Narrow-Band Operation in the X-Band
Abstract: This paper proposes, designs, describes, analyses, and simulates a novel microstrip rat-race coupler for narrow-band operations in the X-band (8 GHz to 12 GHz), namely the 9.5 GHz to 10.3 GHz sub-band. This proposed four-port passive microwave device was realized utilizing microstrip technology with pure copper (lossy) being used as a metal in the conducting layers (transmission and ground plates) and Rogers TMM6 (lossy) being used in the dielectric layer. …
Published in International Journal of Microwave Engineering and Technology · Vol. 7, Issue 1, 2021 · pp. 18–22 Read article
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Modelling and Critical Analysis of a Two Stage Tubular Coil Launcher
Abstract: In the modern launching technology, emphasis has been increasingly focused on the fundamental parameters like velocity, precision control, efficiency and flexibility of the launch projectile. Electromagnetic launchers (EMLs) can significantly satisfy most of the above aspects and can be predecessor for the previous launching mechanisms. EMLs become an alternative to the cartridge launching, thereby avoiding the limitations associated with it. This article presents the modelling and analysis of a multistage …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 1, Issue 2, 2015 · pp. 17–24 Read article
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A Review on Outlook on Future Prospects of Nanosensors
Abstract: Nanosensors are gaining increasing attention due to the need to detect and measure chemical and physical properties in difficult to reach biological and industrial systems that are in the nano-scale region. Nanosensors have superior properties over the existing techniques such as high-performance liquid chromatography or gas chromatography, because they can provide rapid, sensitive, simple and low-cost on field detection. Research and development in the nanosensor domain is driven by specific …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 01–07 Read article
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A Review on Hypothetical Evaluation of Nanosensors
Abstract: Nanosensors are chemical or mechanical sensors that can be utilized to distinguish the presence of synthetic species and nanoparticles, or screen physical elements, for example, temperature, on the nanoscale. They likewise discover use in therapeutic analytic applications Nanosensors are increasing expanding consideration because of the need to identify and measure synthetic and physical properties in hard to reach natural and mechanical frameworks that are in the nano-scale area. These hypothetical …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 1, Issue 2, 2015 · pp. 08–11 Read article
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A Review on LIFI- Data Transmitting System
Abstract: Using visible light as a channel for high-speed data transfer, Li-Fi (Light Fidelity) is a quickly developing wireless communication technology that offers a highly effective and cutting-edge substitute for traditional radio frequency (RF)-based systems like Wi-Fi and Bluetooth. With the exponential growth of connected devices and the increasing demand for faster and more reliable communication, the RF spectrum is becoming congested, leading to reduced performance and interference issues. In order …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 2, 2026 Read article
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Front-End Converters for Power Quality Enhancement in EV Chargers: A Review
Abstract: The increasing growth of electric vehicle (EV) adoption has increased the need for charging infrastructure that is efficient, reliable, and works well with the grid. Front-end converters (FECs) are very important for making sure that power quality is good and that international standards are followed. They are located between the utility grid and the power conversion stages of EV chargers. This research paper offers an extensive examination of front-end converter …
Published in International Journal of Power Electronics Controllers and Converters · Vol. 12, Issue 1, 2026 Read article
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An Overview on Harmonic Intelligence: BridgingMicrowave Sensing and AI-Driven IoT for Autonomous Decision-Making
Abstract: As the Internet of Things (IoT) ecosystem expands into complex industrial and urban environments, the demand for high-fidelity data acquisition and near-instantaneous edge processing has reached a critical juncture. Traditional optical and infrared sensors often falter under adverse conditions, such as dense smoke, occlusions, or low-light environments. This paper explores the transformative potential of microwave signals—leveraging their unique ability to penetrate non-metallic materials and operate independently of ambient lighting—as the …
Published in International Journal of Microwave Engineering and Technology · Vol. 12, Issue 1, 2026 · pp. 1–8 Read article
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From Waves to Wires: The Story of AnalogSignals
Abstract: Analog signals form the foundation of how humans originally captured, communicated, and processed information in electronic devices. Characterized by their continuous fluctuation in amplitude, frequency, and phase, these signals readily replicate real-world phenomena such as sound, light, and temperature. This article covers the history of analog signals from their roots in natural waveforms to their implementation in electrical circuits and communication systems. It addresses essential topics such waveform representation, signal …
Published in International Journal of Digital Communication and Analog Signals · Vol. 12, Issue 1, 2026 · pp. 44–49 Read article
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AI-Optimized Reconfigurable Microstrip Bandpass Filters for DynamicSpectrum Access in 6G Networks
Abstract: The evolution toward sixth generation (6G) wireless networks introduces unprecedented demands on spectral efficiency, ultra-low latency, and real-time adaptability to dynamic radio environments. Central to this transformation is the requirement for intelligent, spectrum-agile radio front ends that can seamlessly operate across heterogeneous frequency bands. Dynamic Spectrum Access (DSA) addresses this challenge by enabling transceivers to autonomously detect, evaluate, and utilize the most suitable spectrum opportunities. The realization of DSA in …
Published in International Journal of Microwave Engineering and Technology · Vol. 11, Issue 2, 2025 · pp. 30–38 Read article
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4 X 4 Multi-band MIMO Antenna: A Study
Abstract: The insatiable demand for higher data rates and improved connectivity in modern wireless communication systems critically relies on Multiple Input Multiple Output (MIMO) technology. However, the effective realization of MIMO's benefits, particularly in compact devices, is fundamentally constrained by the physical limitations of antenna design, primarily mutual coupling between radiating elements and high spatial correlation. This paper presents the design, analysis, and optimization of a novel 4x4 multi-band MIMO antenna …
Published in International Journal of Microwave Engineering and Technology · Vol. 11, Issue 2, 2025 · pp. 19–29 Read article
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The Future of Radar Antenna Design: A Study
Abstract: Radar antennas are the critical interface between the electronic heart of a radar system and theelectromagnetic waves that probe the environment, acting as the system's "eyes and ears." Theirdesign is a multi-faceted engineering challenge, inherently balancing often-conflictingrequirements to optimize performance across incredibly diverse applications – from long-rangesurveillance and air traffic control to autonomous vehicle sensing and precise weatherforecasting. This abstract introduces the fundamental principles and intricate considerationsgoverning radar antenna design, …
Published in International Journal of Digital Communication and Analog Signals · Vol. 11, Issue 2, 2025 · pp. 43–51 Read article
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Transient Circuit Breaker Stresses in Networks Including Long Overhead Lines with Multiple Tower Spans
Abstract: Abstract: This paper proposes a new technique for analyzing the recovery voltages in circuit breakers of high voltage networks comprising strongly non-uniform lines. As a representative example, the model considers transmission lines comprising multiple cascade-connected tower spans the resulting information is crucial for assessing the proper operation and protection of those networks. The mathematical model is based on a system composed of simultaneous partial differential and algebraic equations. They formulate …
Published in International Journal of Microelectronics and Digital integrated circuits · Vol. 11, Issue 1, 2025 Read article
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A Wireless Power Transfer System Calibrated for Multiple Loads
Abstract: This research presents a novel wireless power transmission (WPT) model utilizing Lenz coils to effectively power multiple loads simultaneously. The increasing demand for efficient energy transfer in various applications, such as consumer electronics and medical devices, necessitates innovative solutions to enhance the performance of WPT systems. Through a series of experimental setups and simulations, we demonstrate that integrating Lenz coils significantly enhances coupling efficiency and reduces electromagnetic interference, leading to …
Published in International Journal of Electrical Power System and Technology · Vol. 11, Issue 1, 2025 Read article
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Evaluation of the Potential of Fused Silica Material: The Relationship of Temperature, Frequency, and Polarization
Abstract: Fused silica, a high-purity form of silicon dioxide, is widely recognized for its exceptional thermal stability, optical transparency, and low dielectric loss. This study evaluates the potential of fused silica as a material in advanced optical, electronic, and photonic applications by exploring its properties in relation to temperature, frequency, and polarization. Through a comprehensive analysis, we examine the temperature-dependent changes in its thermal and optical properties, including thermal expansion, refractive …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article
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Hazardous Effect of Radioactive Pollution on Environment and Their Possible Preventive Measures
Abstract: Radioactive pollution is the release of radioactive substances or high-energy particles into the air, water, or earth as a result of human activity, either by accident or by design. Radioactive contamination, also called radiological contamination, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids or gases (including the human body), where their presence is unintended or undesirable (from the International Atomic Energy Agency - …
Published in International Journal of Environmental Chemistry · Vol. 3, Issue 2, 2017 · pp. 19–25 Read article
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AN OVERVIEW OF OPERATION SYSTEM ORDER FOR DC- DC CONVERTER USING PULSE- WIDTH MODULATION
Abstract: To achieve the continuous power transmission, the behavior of dc-dc converter using pulse width modulation technique need to be analyzed in different operation modes. In this paper, review of operation system order for dc-dc converter using PWM that controls the power flow path between the source, load and the battery was done. The generator voltage, input frequency and loads demand with several operating states and control strategies are reviewed. The …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 38–44 Read article
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STRUCTURE HEALTH MONITORING AND ENERGY HARVESTING IN BRIDGE, VUPs BY SMART MATERIALS
Abstract: This artical examine the energy harvesting by the use of Smart material in the bridges or VUPs( vehicle underpass ) . For harvesting energy from bridges vibrations , there are mainly three different kinds of mechanism: electromagnetic , piezoelectric, electrostatic. among the three , the piezoelectric-based energy harvesting is a very mature one , which has been widely used . At the same time structure health monitoring can be done …
Published in International Journal of Structural Engineering and Analysis · Vol. 5, Issue 1, 2019 · pp. 24–27 Read article
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Transient Response of Power Networks to Pulse Inputs of Non-Standard Wave forms: Analysis and Case Studies
Abstract: This study reveals and discusses intriguing situations that can cause electromagnetic transient stressors with unexpected magnitudes and time wave patterns in power networks. They may be caused, for instance, by atmospheric discharges that affect overhead power lines and/or underground cables, provided that the stimulating surges also feature a number of rather evenly spaced pulses of a repetitive nature. An s-domain mathematical model based on the distributed parameter analysis is presented. …
Published in International Journal of Analog Integrated Circuits · Vol. 8, Issue 1, 2022 · pp. 25–32 Read article