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

Author

Listed:
  • Karam Hwang
  • Jaehyoung Park
  • Dongwook Kim
  • Hyun Ho Park
  • Jong Hwa Kwon
  • Sang Il Kwak
  • Seungyoung Ahn

Abstract

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.

Suggested Citation

  • Karam Hwang & Jaehyoung Park & Dongwook Kim & Hyun Ho Park & Jong Hwa Kwon & Sang Il Kwak & Seungyoung Ahn, 2015. "Autonomous Coil Alignment System Using Fuzzy Steering Control for Electric Vehicles with Dynamic Wireless Charging," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-14, December.
    • Handle: RePEc:hin:jnlmpe:205285
    DOI: 10.1155/2015/205285
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    Cited by:

    1. Seokhyeon Son & Seongho Woo & Haerim Kim & Jangyong Ahn & Sungryul Huh & Sanguk Lee & Seungyoung Ahn, 2022. "Shielding Sensor Coil to Reduce the Leakage Magnetic Field and Detect the Receiver Position in Wireless Power Transfer System for Electric Vehicle," Energies, MDPI, vol. 15(7), pages 1-15, March.
    2. Alicia Triviño & José M. González-González & José A. Aguado, 2021. "Wireless Power Transfer Technologies Applied to Electric Vehicles: A Review," Energies, MDPI, vol. 14(6), pages 1-21, March.

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