Fourier Analysis Method for Wireless Power Transfer Coil Design

Andrew Foote; Daniel Costinett; Ruediger Kusch; Jason Pries; Mostak Mohammad; Burak Ozpineci

doi:10.1109/COMPEL49091.2020.9265672

Fourier Analysis Method for Wireless Power Transfer Coil Design

Andrew Foote, Daniel Costinett, Ruediger Kusch, Jason Pries, Mostak Mohammad, Burak Ozpineci

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

1 Scopus citations

Abstract

Wireless power transfer (WPT) systems for Electric Vehicles (EVs) are designed to meet specifications such as stray field, power transfer, efficiency, and ground clearance. Typical design approaches include iterative analysis of predetermined coil geometries to identify candidates that meet these constraints. This work instead directly generates WPT coil shapes and magnetic fields to meetspecifications and constraints through the optimization of Fourier basis function coefficients. Theproposed Fourier Analysis Method (FAM) applies to arbitrary planar coil geometries and does not rely on iterative finite-element analysis (FEA) simulations. This flexibility allows for rapid design evaluation across a larger range of coil geometries and design specifications. A prototype coil is built to compare FAM outputs to experimental measurements and FEA simulations. The FAM is then usedto illustrate the tradeoff of coil current and stray field for a given power level showing that the method is capable of generating optimized coil shapes to meet arbitrary field constraints.

Original language	English
Title of host publication	2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	9781728171609
DOIs	https://doi.org/10.1109/COMPEL49091.2020.9265672
State	Published - Nov 9 2020
Event	21st IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020 - Aalborg, Denmark Duration: Nov 9 2020 → Nov 12 2020

Publication series

Name	2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020

Conference

Conference	21st IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020
Country/Territory	Denmark
City	Aalborg
Period	11/9/20 → 11/12/20

Funding

ACKNOWLEDGMENT This work was funded by Volkswagen Group Innovation in collaboration with the CURENT Engineering Research Center at the University of Tennessee, Knoxville and the Power Electronics and Electric Machinery Research Center at Oak Ridge National Laboratory, Oak Ridge, Tennessee. The authors would also like to acknowledge and thank Chuhee Lee and Hendrik Mainka from Volkswagen Group Innovation for their mentorship in the project. *This work made use of the Engineering Research Center Shared Facilities supported by the Engineering Research Center Program of the National Science Foundation and DOE under NSF Award Number EEC-1041877 and the CURENT Industry Partnership Program. Any Opinions, findings and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect those of the National Science Foundation.

Keywords

Fourier analysis
coil design
electric vehicles
inductive power transmission
wireless power transfer

Access to Document

10.1109/COMPEL49091.2020.9265672

Cite this

Foote, A., Costinett, D., Kusch, R., Pries, J., Mohammad, M., & Ozpineci, B. (2020). Fourier Analysis Method for Wireless Power Transfer Coil Design. In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020 Article 9265672 (2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/COMPEL49091.2020.9265672

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title = "Fourier Analysis Method for Wireless Power Transfer Coil Design",

abstract = "Wireless power transfer (WPT) systems for Electric Vehicles (EVs) are designed to meet specifications such as stray field, power transfer, efficiency, and ground clearance. Typical design approaches include iterative analysis of predetermined coil geometries to identify candidates that meet these constraints. This work instead directly generates WPT coil shapes and magnetic fields to meetspecifications and constraints through the optimization of Fourier basis function coefficients. Theproposed Fourier Analysis Method (FAM) applies to arbitrary planar coil geometries and does not rely on iterative finite-element analysis (FEA) simulations. This flexibility allows for rapid design evaluation across a larger range of coil geometries and design specifications. A prototype coil is built to compare FAM outputs to experimental measurements and FEA simulations. The FAM is then usedto illustrate the tradeoff of coil current and stray field for a given power level showing that the method is capable of generating optimized coil shapes to meet arbitrary field constraints.",

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Foote, A, Costinett, D, Kusch, R, Pries, J, Mohammad, M & Ozpineci, B 2020, Fourier Analysis Method for Wireless Power Transfer Coil Design. in 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020., 9265672, 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020, Institute of Electrical and Electronics Engineers Inc., 21st IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020, Aalborg, Denmark, 11/9/20. https://doi.org/10.1109/COMPEL49091.2020.9265672

Fourier Analysis Method for Wireless Power Transfer Coil Design. / Foote, Andrew; Costinett, Daniel; Kusch, Ruediger et al.
2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020. Institute of Electrical and Electronics Engineers Inc., 2020. 9265672 (2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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N2 - Wireless power transfer (WPT) systems for Electric Vehicles (EVs) are designed to meet specifications such as stray field, power transfer, efficiency, and ground clearance. Typical design approaches include iterative analysis of predetermined coil geometries to identify candidates that meet these constraints. This work instead directly generates WPT coil shapes and magnetic fields to meetspecifications and constraints through the optimization of Fourier basis function coefficients. Theproposed Fourier Analysis Method (FAM) applies to arbitrary planar coil geometries and does not rely on iterative finite-element analysis (FEA) simulations. This flexibility allows for rapid design evaluation across a larger range of coil geometries and design specifications. A prototype coil is built to compare FAM outputs to experimental measurements and FEA simulations. The FAM is then usedto illustrate the tradeoff of coil current and stray field for a given power level showing that the method is capable of generating optimized coil shapes to meet arbitrary field constraints.

AB - Wireless power transfer (WPT) systems for Electric Vehicles (EVs) are designed to meet specifications such as stray field, power transfer, efficiency, and ground clearance. Typical design approaches include iterative analysis of predetermined coil geometries to identify candidates that meet these constraints. This work instead directly generates WPT coil shapes and magnetic fields to meetspecifications and constraints through the optimization of Fourier basis function coefficients. Theproposed Fourier Analysis Method (FAM) applies to arbitrary planar coil geometries and does not rely on iterative finite-element analysis (FEA) simulations. This flexibility allows for rapid design evaluation across a larger range of coil geometries and design specifications. A prototype coil is built to compare FAM outputs to experimental measurements and FEA simulations. The FAM is then usedto illustrate the tradeoff of coil current and stray field for a given power level showing that the method is capable of generating optimized coil shapes to meet arbitrary field constraints.

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Foote A, Costinett D, Kusch R, Pries J, Mohammad M , Ozpineci B. Fourier Analysis Method for Wireless Power Transfer Coil Design. In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020. Institute of Electrical and Electronics Engineers Inc. 2020. 9265672. (2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020). doi: 10.1109/COMPEL49091.2020.9265672

Fourier Analysis Method for Wireless Power Transfer Coil Design

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