Search
212 articles for “electromagnetics.”
-
Performance Evaluation of Hybrid Polymer Composite Materials for Electromagnetic Interference Shielding in Flexible and Wearable Electronic Devices
Abstract: Wearable electronic devices require novel hybrid polymer composites that offer flexible, lightweight and highly effective EMI shielding characteristics. The development and characterization of flexible polymer composites combining hard magnetic nanoparticles and electrically conductive fillers are explored. The suitability of thermoplastic polyurethane (TPU), polydimethylsiloxane (PDMS) and epoxy resins for use as EMI shielding composite matrices was evaluated in terms of their flexibility, stability and biocompatibility. Hybrid filler systems were developed to …
Published in Journal of Polymer & Composites · Vol. 13, Issue 6, 2025 · pp. 630–648 Read article
-
On The Time-Domain Analysis of the Electromagnetic Transients in High-Voltage Line Towers
Abstract: This paper presents an efficient and direct method for the time-domain transient analysis of high voltage power line towers. A Mathematica-based numerical solution of the governing set of simultaneous partial differential and algebraic equations is proposed. The results of a corresponding computer code are presented and discussed. A comparison with other more sophisticated analytical time-and Laplace-domain approaches is presented. In addition to the possible use of the EMTP transients’ program, …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 12–20 Read article
-
Computation of Electromagnetic Energy Flux Due to various Distributions of Oscillating Electric Dipoles
Abstract: AbstractThe authors have discussed about the effects of cell phone radiations, its applications along with its adverse effects. In this work we have computed the energy flux received at some specified point (say the human head) due to some simple distributions of dipoles by computing the relevant electric, magnetic fields and finally the Poynting vector. We have shown that although for a symmetric distribution of emitters the energy flux vanishes …
Published in Journal of Communication Engineering & Systems · Vol. 3, Issue 3, 2013 · pp. 17–25 Read article
-
Development of Electro-Magnetic Anti-Lock Brake System: An Idea
Abstract: Since the invention of automobiles, many brake mechanisms have been developed and tested, but the foot-operated friction brakes, actuated by hydraulic pressure have been prominently used. This paper explores and proposes an alternative to conventional braking system, in which, in place of a hydraulic unit, an electro-magnetic setup is proposed to make the complete braking system compact, light and efficient. The proposed system is a hybrid brake setup, which uses …
Published in Journal of Automobile Engineering and Applications · Vol. 4, Issue 3, 2017 · pp. 18–23 Read article
-
Study on EBG Structures and Application in UWB Band Pass Filter
Abstract: EBG automation has turn into important development in the field of microwave and RF because of its exclusive band gap attribute at convinced frequency areas. The survey of this paper shows various EBG structure and its operations in tract with microstrip antenna and filters along with EBG structure is planned to procure solid UWB band pass filter. The counterfeit is performed by Agilent ADS software.
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 2, 2015 · pp. 5–8 Read article
-
Design Optimization of Microstrip Antenna with EBG and DGS Using the Genetic Algorithm to Reduce the Mutual Coupling
Abstract: The purpose of this paper is to construct, create, and reproduction of different antenna structures using electromagnetic band gap (EBG) materials and defected ground structures (DGS). Microstrip antennas are processed in order to improve performance by changing the shape of the geometry of the antenna, in particular to reduce the mutual coupling between the elements. The propagation of electromagnetic waves in a specified frequency range have the unique ability to …
Published in Journal of Microwave Engineering and Technologies · Vol. 3, Issue 1, 2016 · pp. 11–30 Read article
-
Survey on Analysis and Simulation of Permanent Magnet Synchronous Motor (PMSM) under Vibration Effect using Analytical Magnetic Field Calculations
Abstract: In several application domains, induction motor drives have been steadily being replaced in recent years by permanent magnet synchronous motor (PMSM) drives. Due to the compactness, efficiency, resilience, reliability, and shape adaption to the working environment of PM motors, this is starting to become a trend. In high performance applications demanding quieter operation, permanent magnet synchronous motors are widely used. Instead of torque ripples and cogging torque, electromagnetic forces are …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 2, 2022 · pp. 26–33 Read article
-
Low-frequency Vibration-assisted Welding: A Review of Recent Developments
Abstract: Low-frequency vibration-assisted welding is a promising technique for improving the quality of welds. This article provides a comprehensive review of recent developments in this field. The basic principles of low-frequency vibration-assisted welding is introduced, and the advantages and limitations of thistechnique are discussed. Various types of low-frequency vibration-assisted welding methods are presented, including ultrasonic vibration-assisted welding, mechanical vibration-assisted welding, and electromagnetic vibration-assisted welding. The effects of low-frequency vibration on the …
Published in Journal of Experimental & Applied Mechanics · Vol. 13, Issue 3, 2022 · pp. 1–17 Read article
-
Performance Analysis of Proximity Coupled Microstrip Patch Antenna with DGS and EBG
Abstract: The objective of this paper is to analyze the effect of Defected Ground Structure (DGS) in a Proximity Coupled Microstrip Patch Antenna (PCMA) and the effectiveness of using this structure in a PCMA with an Electromagnetic Bandgap Structure (EBG). The EBG structure used is a metallo-dielectric structure having a printed metallization with connected via ground plane. This manoeuvering of EBG enabled PCMA with a dumbbell shaped DGS results in a …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 3, 2015 · pp. 1–8 Read article
-
Effect of 2D-EBG Structure on Monopole Antenna Radiation and Analysis of Its Characteristics
Abstract: In this paper, we present a two dimensional electromagnetic (2D-EBG) square shaped mushroom structure placed between two monopole antennas. Two artificial properties of this 2D-EBG structure such as PMC and Band Reject Region are investigated here. The radiation characteristics of a monopole antenna over this, 2D-EBG structure is tested by considering two cases. In the first case monopole antenna is made to operate within band rejection region where as in …
Published in Journal of Microwave Engineering and Technologies · Vol. 2, Issue 2, 2015 · pp. 1–4 Read article
-
Cylindrical Dielectric Resonator Antenna With Rectangular Patch
Abstract: DRAs are used for 5G communications of huge bandwidth from millimeter to Terahertz. high facts charge is performed through the channel ability i.e. C=Blog2(1+SNR) where C is the channel capacity and B is the bandwidth of the channel. The cylindrical resonator antenna operating in hybrid HEM11 mode. in this paper a cylindrical dielectric resonator antenna (CDRA) with frequency range (26GHz).The cylindrical dielectric resonator with radius r=1.45mm and height h=1.4mm. the …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 1, 2022 · pp. 9–15 Read article
-
Spectral Signatures to Achieve Accuracy
Abstract: AbstractSignature of spectrum is data convert appearances those to make for least accuracy variation by generalization and extension in place of expansion. Pixel form has subjected to change from multi-spectra issued to hyperspectral formation after issue of spectroscopic forms. Spectral signatures perform have scaled to measure from agronomy to metallurgical element detecting prosecution. Optimism appeared in species differentiation between coconut and palm oil plantation. Updating forms from spectroscopic hyper-spectra have …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 3, 2019 · pp. 26–31 Read article
-
Analysis and Modeling of Acoustic Noise in the Switched Reluctance Motors with Finite Element Method
Abstract: Due to high importance of noise in switched reluctance motor (SRM), a coupled electromagnetic-structure simulation model is created for this motor using ANSYS finite element (FE) package. Since the main reason for producing noise and vibration in the SRM is the radial force applied to the stator pole, the radial force waveform is predicted using the 2D FE transient analysis in the developed electromagnetic model. Determination of the frequency modes …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 17–22 Read article
-
Review on Elaeocarpus Ganitrus (Rudraksha)
Abstract: The seed of Elaeocarpus Ganitrus, also known as Rudraksha, is renowned for its electromagnetic characteristics. Recent scientific research has demonstrated that this seed possesses natural electromagnetic properties which can effectively treat various chronic diseases. This study focuses on the phytochemical screening and thin layer chromatographic analysis of the extract obtained from Elaeocarpus Ganitrus seeds, which belong to the Elaeocarpaceae family. Bombay, and is commonly grown as an ornamental tree in …
Published in Research & Reviews: A Journal of Pharmacognosy · Vol. 11, Issue 2, 2024 · pp. 8–15 Read article
-
Ionospheric Disturbances and Communication Signal anomalies due to eruption of Solar flare Activity
Abstract: Solar flares tend to disrupt the radio communication systems and modulate active radio wave frequencies, particularly the ones that have utility in High Frequency (HF) radio signals and transceiver signals because they are the ones who find utility in radio communications systems. Solar flares generate electromagnetic waves which interact with the earth’s atmospheric medium and travel through the ionospheric region. These electromagnetic waves modulate radio frequency communication signals. This modulation …
Published in Current Trends in Signal Processing · Vol. 15, Issue 1, 2025 · pp. 7–14 Read article
-
Behavior of Surface Polaritons on Cylindrical Semiconducting Materials at Nanoscale with Radius Dependence Frequency
Abstract: Surface plasmon resonance (SPR) is a physical property of the surface to investigate the important properties of optical behaviors for nanomaterial and biomaterial. It involves the excitation of electrons within a thin metal sheet by incident light at a specific angle, prompting them to propagate parallel to the surface. This sensitivity to external factors, such as changes in the refractive index of the surrounding medium due to molecular adsorption, underscores …
Published in Research & Reviews : Journal of Physics · Vol. 13, Issue 2, 2024 · pp. 1–7 Read article
-
Intelligent Design Approaches in Microwave Engineering Using Machine Learning Techniques
Abstract: In microwave engineering, machine learning (ML) has become a potent technology allowing quicker design cycles, improved modelling accuracy, and automatic optimisation of complicated systems. Recent developments in the use of ML methods to microwave components and systems, including antennas, filters, and high-frequency circuits, are summarised in this study. In the framework of electromagnetic simulation, surrogate modelling, and parameter extraction, supervised and unsupervised learning algorithms are addressed. Moreover, the study looked …
Published in Journal of Microwave Engineering and Technologies · Vol. 12, Issue 2, 2025 · pp. 31–38 Read article
-
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
-
Micro-Doppler Signatures for Human with Orbbec Sensor
Abstract: Micro-movements, such as oscillations, rotations or revolution of an object or structures persuade additional frequency modulations on reinstate radar signal, which generates sidebands about the object’s Doppler frequency, called micro-Doppler effect. Human body mechanics consist of various moving body parts, which generate unique micro-Doppler signatures. Using TFT (time frequency transforms and pattern recognition techniques; we can classify individuals based on their movements using micro-Doppler signatures. Preliminary results from a laboratory …
Published in Journal of Electronic Design Technology · Vol. 12, Issue 1, 2021 · pp. 1–9 Read article
-
Introduction to Multiphysics Simulation for Integrated PCB Design and Operation AI Environment Analysis on Behalf of EMI/EMC
Abstract: Modern trend of PCB (Print Circuit Boards) designing are highly complex and unpredictable. User requirements make the PCB compact and faster nowadays. To make the PCB compact and faster in nature, multidimensional PCBs are trending nowadays. Although multidimensional PCBs are better in size and speed but also have some irrelevant issues like resonance, crosstalk, power/ground bounce and simultaneous switching noise (SSN). All irrelevant issues are responsible for EMI (Electromagnetic Interference). …
Published in Journal of Mechatronics and Automation · Vol. 6, Issue 1, 2019 · pp. 31–36 Read article