Simultaneous mid-range power transfer to multiple devices
By A. Kurs, R. Moffatt, Marin Soljačić. 2010
397 citations recorded by the source corpus.
Electromagnetic resonators strongly coupled through their near-fields [A. Karalis, J. D. Joannopoulos, and M. Soljacic, Ann. Phys. 323, 34 (2008); A. Kurs, A. Karalis, R. Moffatt, J. D. Joannopoulos, P. Fisher, and M. Soljacic, Science 317, 83 (2007)] are able to achieve efficient wireless power transfer from a source to a device separated by distances multiple times larger than the characteristic sizes of the resonators. This midrange approach is therefore suitable for remotely powering several devices from a single source. We explore the effect of adding multiple devices on the tuning and overall efficiency of the power transfer, and demonstrate this scheme experimentally for the case of coupling objects of different sizes: a large source (1 m2 in area) powering two smaller devices (each ≃0.07 m2 in area).
Subfields: Electrical and Electronic Engineering, Mechanical Engineering
View Paper: https://www.semanticscholar.org/paper/935afb6d96d179eaf37ea0f8235fe944a83a0b33
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Citations in the corpus
- A Critical Review of Recent Progress in Mid-Range Wireless Power Transfer (2014, background): “Recent research has covered new areas such as multiple transmitters [44,45] and multiple receivers [46-48].”
- A Critical Review of Wireless Power Transfer via Strongly Coupled Magnetic Resonances (2014, methodology): “The transfer characteristics of system architectures with multi-receiver coils are analyzed based on both CMT [14,17] and CT [24].”
- Relay Effect of Wireless Power Transfer Using Strongly Coupled Magnetic Resonances (2011, background): “The currently available wireless power transfer techniques can be roughly classified into the radiative and nonradiative modes.”
- Effect of Coupling Between Multiple Transmitters or Multiple Receivers on Wireless Power Transfer (2013, background): “Previous papers [17] and [20] have suggested that using multiple RXs would”
- Efficiency Analysis of Magnetic Resonance Wireless Power Transfer With Intermediate Resonant Coil (2011, neutral): “The measured data are compared to theoretical calculations.”
- Wireless Charging Technologies: Fundamentals, Standards, and Network Applications (2015, background): “Magnetic resonance coupling can charge multiple devices concurrently, by tuning coupled resonators of multiple receiving coils [58].”
- Wireless power transfer and applications to sensor networks (2013, background): “Interestingly, Kurs et al. also identified this problem and developed an enhanced magnetic resonant coupling technology that allows multiple devices to be charged at the same time [9].”