Results 11 to 20 of about 1,453,812 (287)
Maximum Power Transfer versus Efficiency in Mid-Range Wireless Power Transfer Systems [PDF]
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2015 The condition for maximum power transfer of 2-coils wireless power transfer (WPT) system is derived from circuit analysis and discussed together with the respective WPT system efficiency (η).
Paulo J. Abatti +2 more
doaj +3 more sources
Organic laser power converter for efficient wireless micro power transfer
Nature Communications, 2023 Wireless power transfer with collimated power transmission and efficient conversion provides an alternative charging mode for off-grid and portable micro-power electronics. However, charging micro-power electronics with low photon flux can be challenging
Yafei Wang +8 more
doaj +3 more sources
Capacitive Wireless Power Transfer with Multiple Transmitters: Efficiency Optimization [PDF]
Energies, 2020 Wireless power transfer with multiple transmitters can have several advantages, including more robustness against misalignment and extending the mobility and range of the receiver(s).
Ben Minnaert +3 more
doaj +4 more sources
Nonradiating sources for efficient wireless power transfer [PDF]
Nanophotonics, 2021 Abstract Nonradiating sources of energy realized under a wave scattering on high-index dielectric nanoparticles have attracted a lot of attention in nano-optics and nanophotonics. They do not emit energy to the far-field, but simultaneously provides strong near-field energy confinement.
Esmaeel Zanganeh +7 more
openaire +2 more sources
Enhancing Ultrasound Power Transfer: Efficiency, Acoustics, and Future Directions. [PDF]
Adv MaterAbstractImplantable medical devices (IMDs), like pacemakers regulating heart rhythm or deep brain stimulators treating neurological disorders, revolutionize healthcare. However, limited battery life necessitates frequent surgeries for replacements. Ultrasound power transfer (UPT) emerges as a promising solution for sustainable IMD operation.
Zheng Y +6 more
europepmc +4 more sources
IEEE Access, 2021 Time reversal wireless power transfer (TR-WPT) provides an efficient radiated method for wirelessly transferring power to multiple users at a middle distance in complicated multipath environments.
Zhouming Yang +6 more
doaj +1 more source
High Efficiency Wireless Power Transfer System for Medium Power [PDF]
Proceedings of the 2016 International Conference on Electrical, Mechanical and Industrial Engineering, 2016 As the technology matures and increased demand for wireless charging, the development of wireless power transfer technology is getting more and more concern. This paper analyzed the wireless power transfer system through mutual inductance equivalent model and obtained the mathematical relationship between various parameters. It also analyzed the system'
Zuosheng Xie +3 more
openaire +1 more source
Energies, 2018 In order to implement the omnidirectional wireless power transfer (WPT), a novel three-phase-shifted drive omnidirectional WPT system is proposed.
Zhaohong Ye +5 more
doaj +1 more source
Efficient modeling of the wireless power transfer efficiency for varying positions and orientations between transmitter and receiver [PDF]
, 2015 A method that efficiently calculates the Power Transfer Efficiency (PTE) of a Wireless Power Transfer (WPT) system is described in this paper. It allows for arbitrary relative positions and orientations between devices in the system, both in far-field ...
Rogier, Hendrik +2 more
core +1 more source
Boosting the Efficiency: Unconventional Waveform Design for Efficient Wireless Power Transfer [PDF]
IEEE Microwave Magazine, 2015 Traditionally, wireless power is delivered through single-carrier, continuous-wave (CW) signals. Most research efforts to enhance the efficiency of wireless power transfer systems have been confined to the circuit-level design. However, in recent years, attention has been paid to the waveform design for wireless power transmission.
Boaventura, Alírio +5 more
openaire +1 more source