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Structural Design and Performance of a Low-Frequency Hybrid Vibration Energy Harvester Based on Piezoelectric–Electromagnetic–Triboelectric Coupling [PDF]
MicromachinesThis study investigates a low-frequency piezoelectric–electromagnetic–triboelectric hybrid vibration energy harvester designed to address the narrow operating bandwidth of conventional vibration energy harvesters.
Xingtong Chen +3 more
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Enhancement of Power Harvesting by Tuning Moment of Inertia [PDF]
Port Said Engineering Research Journal, 2021 This investigation examines the design of an innovative independent mechanism for tuning the resonant frequency and thus generate greater amounts of energy.
Shahenda Mohamed, Ebtisam Abdel-Gwad
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On Maxwell Electrodynamics in Multi-Dimensional Spaces
Universe, 2021 The governing equations of Maxwell electrodynamics in multi-dimensional spaces are derived from the variational principle of least action, which is applied to the action function of the electromagnetic field.
Alexei M. Frolov
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Dynamic Modeling and Investigation of a Tunable Vortex Bladeless Wind Turbine
Energies, 2022 This paper investigates the dynamics of an electromagnetic vortex bladeless wind turbine (VBWT) with a tunable mechanism. The tunable mechanism comprises a progressive-rate spring that is attached to an oscillating magnet inside an electromagnetic coil ...
Issam Bahadur
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Numerical Simulation-Based Investigation of the Limits of Different Quasistatic Models
Applied Sciences, 2021 The modeling of the capacitive phenomena, including the inductive effects becomes critical, especially in the case of a power converter with high switching frequencies, supplying an electrical device.
Houssein Taha +5 more
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VIBRATION ENERGY HARVESTING TECHNIQUE: A COMPREHENSIVE REVIEW [PDF]
Engineering Heritage Journal, 2020 In order to minimize the requirement of external power source and maintenance for electric devices such as wireless sensor networks, the energy harvesting technique based on vibrations has been a dynamic field of studying interest over past years ...
Nik Fakhri Nek Daud, Ruzlaini Ghoni
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Estimation of Electromagnetic Properties for 2D Inhomogeneous Media Using Neural Networks [PDF]
Journal of Electromagnetic Engineering and Science, 2022 Electromagnetic measurements are widely used to gain information about an object through interaction of electromagnetic fields with the physical properties of this object.
Mohamed Elkattan, Aladin H. Kamel
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Micromachines, 2022 The traditional single electromechanical conversion energy harvester can collect energy only in a single vibration direction. Moreover, it requires high environmental vibration frequency, and its output power is low.
Yongqiang Zhu +3 more
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Micromachines, 2021 To meet the needs of low-power microelectronic devices for on-site self-supply energy, a galloping piezoelectric–electromagnetic energy harvester (GPEEH) is proposed. It consists of a galloping piezoelectric energy harvester (GPEH) and an electromagnetic
Xia Li +5 more
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Characterization of Induced Polarization Parameters from Electromagnetic Data using Evolutionary Approach [PDF]
Journal of Electromagnetic Engineering and Science, 2023 Electromagnetic methods are one of the most important tools for exploring the physical properties of scatterers. When the scattering object is polarizable, more information can be gained from electromagnetic measurements to determine the scatterer’s ...
Mohamed Elkattan, Aladin Kamel
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