The DOI matches its Crossref record; 42 of the 43 references it cites were found in a registry or an index.
A Figure-of-Merit for Designing High-Performance Inductive Power Transmission Links
Open accessAbstract
Power transfer efficiency (PTE) and power delivered to the load (PDL) are two key inductive link design parameters that relate to the power source and driver specs, power loss, transmission range, robustness against misalignment, variations in loading, and interference with other devices. Designers need to strike a delicate balance between these two because designing the link to achieve high PTE will degrade the PDL and vice versa. We are proposing a new figure-of-merit (FoM), which can help designers to find out whether a two-, three-, or four-coil link is appropriate for their particular application and guide them through an iterative design procedure to reach optimal coil geometries based on how they weigh the PTE versus PDL for that application. Three design examples at three different power levels have been presented based on the proposed FoM for implantable microelectronic devices, handheld mobile devices, and electric vehicles. The new FoM suggests that the two-coil links are suitable when the coils are strongly coupled, and a large PDL is needed. Three-coil links are the best when the coils are loosely coupled, the coupling distance varies considerably, and large PDL is necessary. Finally, four-coil links are optimal when the PTE is paramount, the coils are loosely coupled, and their relative distance and alignment are stable. Measurement results support the accuracy of the theoretical design procedure and conclusions.
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“Power efficiency of an inductive link depends on two primary factors: (1) the quality factor of the transmitting and receiving antennas, and (2) the coupling coefficient.”
From Inductively powered wireless pacing via a miniature pacemaker and remote stimulation control system (2017) · cites this paper as [25]
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“Together, the quality factor and coupling coefficient determine power transfer efficiency as shown in Eq. (3)25:”
From Inductively powered wireless pacing via a miniature pacemaker and remote stimulation control system (2017) · cites this paper as [25]
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Cites
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Wireless Power Transfer via Strongly Coupled Magnetic Resonances
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Cited by
Sorted by citations
Wireless Power Transfer for Electric Vehicle Applications
Li, S., & Mi, C. C. (2014) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2014.2319453 · Cited by 2,206
Wireless power transfer techniques for implantable medical devices: a review
Khan, S. R., Pavuluri, S. K., Cummins, G., & Desmulliez, M. P. Y. (2020) · Sensors · doi:10.3390/s20123487 · Cited by 355
“The PTE of four-coil-based NRMRC WPT system using LCT is given as [137,142,144]: Sensors 2020, 20, 3487 22 of 58 η4−coil = ( k212Q1Q2 )( k223Q2Q3 )( k234Q3Q4 ) ( 1 + k212Q1Q2 )( 1 + k234Q3Q4 ) + k223Q2Q3 ( 1 + k223Q2Q3+k234Q3Q4 ) (32) The PTE of four-coil-based NRMRC WPT system using RLT can be written as [67,75,82,14…”
MethodInfluentialOptimal Design of Wireless Power Transmission Links for Millimeter-Sized Biomedical Implants
Ahn, D., & Ghovanloo, M. (2015) · IEEE Transactions on Biomedical Circuits and Systems · doi:10.1109/tbcas.2014.2370794 · Cited by 245
Self-citationA Critical Review of Wireless Power Transfer via Strongly Coupled Magnetic Resonances
Wei, X., Wang, Z., & Dai, H. (2014) · Energies · doi:10.3390/en7074316 · Cited by 229
Design, Challenges, and Trends of Inductive Power Transfer Couplers for Electric Vehicles: A Review
Jayalath, S., & Khan, A. (2020) · IEEE Journal of Emerging and Selected Topics in Power Electronics · doi:10.1109/jestpe.2020.3042625 · Cited by 176
Metadata
- Authors
- Kiani, M., & Ghovanloo, M.
- Affiliations
- Georgia Institute of Technology (US)
- Venue
- IEEE Transactions on Industrial Electronics
- Published
- 2013-11
- Volume
- 60
- Issue
- 11
- Pages
- 5292-5305
- ISSN
- 0278-0046 (ISSN-L)
- 1557-9948
- PMC
- PMC4223690
- OpenAlex
- W1990884581
- Cited by
- 146
- References
- 43
- Citations by year
- 2026: 1 · 2025: 8 · 2024: 9 · 2023: 7 · 2022: 9 · 2021: 10 · 2020: 16 · 2019: 15 · 2018: 12 · 2017: 18 · 2016: 18 · 2015: 8 · 2014: 12 · 2013: 3
- FWCI
- 4.70
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- IEEE Transactions on Industrial Electronics (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institute of Neurological Disorders and Stroke (R01NS062031)
- National Institute of Biomedical Imaging and Bioengineering (R21EB009437)
- Topics
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Wireless Power Transfer Systems
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Induction Heating and Inverter Technology
- Physical Sciences › Engineering › Electrical and Electronic Engineering › Advanced DC-DC Converters
- Keywords
- inductive power transfer, figure of merit, power transfer efficiency, coil geometry optimization, coupling distance, misalignment robustness, implantable microelectronics, electric vehicle charging, handheld devices
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