TY - JOUR
T1 - Novel transmitting power control method without signal communication for wireless power transfer via magnetic resonance coupling
AU - Gunji, Daisuke
AU - Imura, Takehiro
AU - Fujimoto, Hiroshi
N1 - Publisher Copyright:
© 2016 The Institute of Electrical Engineers of Japan.
PY - 2016
Y1 - 2016
N2 - Wireless power transfer (WPT) via magnetic resonance coupling has been widely studied for vehicle applications, particularly the stationary and dynamic charging of electric vehicles. Our research group previously proposed a wireless in-wheel motor to improve the reliability and safety of in-wheel motors. Transmit power control is necessary to achieve stable wireless power transfer. We proposed a control method that uses a feedforward controller on the primary side and a feedback controller on the secondary side. However, the control method may cause shortfalls in the transmission power owing to modeling error, coupling coefficient variation, and signal communication delay. In this paper, we propose a novel feedback control method for the primary side based on conversion ratio estimation. The effectiveness of the proposed method was verified by simulations and experiments on the load current control of a constant voltage load and load voltage control of a constant power load.
AB - Wireless power transfer (WPT) via magnetic resonance coupling has been widely studied for vehicle applications, particularly the stationary and dynamic charging of electric vehicles. Our research group previously proposed a wireless in-wheel motor to improve the reliability and safety of in-wheel motors. Transmit power control is necessary to achieve stable wireless power transfer. We proposed a control method that uses a feedforward controller on the primary side and a feedback controller on the secondary side. However, the control method may cause shortfalls in the transmission power owing to modeling error, coupling coefficient variation, and signal communication delay. In this paper, we propose a novel feedback control method for the primary side based on conversion ratio estimation. The effectiveness of the proposed method was verified by simulations and experiments on the load current control of a constant voltage load and load voltage control of a constant power load.
KW - AC-DC converter
KW - Conversion ratio estimation
KW - Transmitting power control
KW - Wireless power transfer
UR - http://www.scopus.com/inward/record.url?scp=84960438963&partnerID=8YFLogxK
U2 - 10.1541/ieejias.136.222
DO - 10.1541/ieejias.136.222
M3 - Article
AN - SCOPUS:84960438963
SN - 0913-6339
VL - 136
SP - 222
EP - 231
JO - IEEJ Transactions on Industry Applications
JF - IEEJ Transactions on Industry Applications
IS - 3
ER -