Autonomous Coil Alignment System Using Fuzzy Steering Control for Electric Vehicles with Dynamic Wireless Charging

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An autonomous coil alignment system (ACAS) using fuzzy steering control is proposed for vehicles with dynamic wireless charging. The misalignment between the power receiver coil and power transmitter coil is determined based on the voltage difference between two coils installed on the front-left/front-right of the power receiver coil and is corrected through autonomous steering using fuzzy control. The fuzzy control is chosen over other control methods for implementation in ACAS due to the nonlinear characteristic between voltage difference and lateral misalignment distance, as well as the imprecise and constantly varying voltage readings from sensors. The operational validity and feasibility of the ACAS are verified through simulation, where the vehicle equipped with ACAS is able to align with the power transmitter in the road majority of the time during operation, which also implies achieving better wireless power delivery.
Publisher
HINDAWI PUBLISHING CORP
Issue Date
2015
Language
English
Article Type
Article
Keywords

POWER TRANSFER SYSTEMS; DESIGN; PICKUP

Citation

MATHEMATICAL PROBLEMS IN ENGINEERING

ISSN
1024-123X
DOI
10.1155/2015/205285
URI
http://hdl.handle.net/10203/205662
Appears in Collection
GT-Journal Papers(저널논문)
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