NDLI: Integrated receiver with high misalignment tolerance used in dynamic wireless charging

Content Provider	IET Digital Library
Author	Xia, Nenghong Yuan, Zhipeng Zhu, Yimin Wang, Yueyue
Abstract	Misalignments between the transmitter and receiver coils would in some cases lead to a significant decline in transmission power and efficiency in the wireless power transfer system. This study presents an integrated two-layer receiver to improve the tolerance of horizontal misalignment. On the lower layer of the integrated receiver, two coplanar spiral coils, which are decoupled and work as the auxiliary repeater, are designed to help keep a stable power transmission between transmitter coils on the track and the main receiver coil on the upper layer. Then, the optimisation model based on the Bayesian algorithm is established for the proposed receiver structure and some key parameters are optimised. A sensor-coil-based positioning approach is also proposed to achieve on–off control of the transmitter coils. The simulation results show that the system based on the optimised integrated receiver has a stable output power with a variation lower than 13.17%. Two 300 W dynamic charging prototypes based on the integrated receiver and conventional spiral receiver, respectively, have been developed to verify the effectiveness of the proposed design and the optimisation method. The experimental results match well with the simulation results.
Starting Page	1918
Ending Page	1924
Page Count	7
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 10, Oct (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0163
Journal	IET Electric Power Applications
Publisher Date	2020-06-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	300 W Dynamic Charging Prototypes Battery Powered Vehicle Bayes Method Coils Conventional Spiral Receiver Coplanar Spiral Coils Dynamic Wireless Charging High Misalignment Tolerance Horizontal Misalignment Inductive Power Transmission Main Receiver Coil Misalignments Optimisation Optimisation Technique Optimised Integrated Receiver Radio Link And Equipment Receiver Coils Receiver Structure Sensor-coil-based Stable Output Power Stable Power Transmission Transmission Power Transmitter Coils Two-layer Receiver Upper Layer Wireless Power Transfer System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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