TY - JOUR
T1 - Flexible Power Control for Wireless Power Transmission System with Unfixed Receiver Position
AU - Liu, Han
AU - Huang, Xueliang
AU - Czarkowski, Dariusz
AU - Tan, Linlin
AU - Li, Jiacheng
AU - Zhang, Ming
AU - Zhang, Zhenxing
N1 - Funding Information:
This work was supported in part by the State Grid Corporation Science and Technology Project Funding (Selection of Wireless Charging Frequency for Electric Vehicles and Its Impact on Environment), in part by the National Key R&D Project under Grant 2018YFB0106300, in part by the National Natural Science Foundation of China under Grant 51777028, in part by the Scientific Research Foundation of the Graduate School of Southeast University under Grant YBJJ1728, in part by the Postgraduate Research and Practice Innovation Program of Jiangsu Province under Grant KYCX17-0088, and in part by the China Scholarship Council.
Publisher Copyright:
© 2013 IEEE.
PY - 2019
Y1 - 2019
N2 - To improve the stability of receiving power in the wireless power transmission system with unfixed receiving position, a flexible power control strategy without the measurement in secondary side and the wireless communication between primary and secondary sides is proposed. The circuit model of a multiphase resonant inverter (MPRI) with cascaded intercell transformers (ICTs) is developed. The output voltage control strategy of the MPRI is introduced based on the iterative summation method for trigonometric functions. The circuit model of the system is derived to deduce the expressions for the key parameters. Considering the cascaded ICTs and the inductor-capacitor-capacitor (LCC) compensation circuit in the primary side, the design method of the compensation parameters is proposed based on the circuit model of the MPRI. After synthesizing the online monitoring, parameter pre-calculation, prediction of several conditions, and online learning, the flexible power control strategy is put forward for the wireless power transmission system with unfixed receiver position. Without the auxiliary positioning methods, the measurement in the secondary side, or the wireless communication between primary and secondary sides, the recognition of the load access and exit, as well as the power stabilization control after access, are realized. Finally, the theoretical analyses and the control strategy are validated by experiments.
AB - To improve the stability of receiving power in the wireless power transmission system with unfixed receiving position, a flexible power control strategy without the measurement in secondary side and the wireless communication between primary and secondary sides is proposed. The circuit model of a multiphase resonant inverter (MPRI) with cascaded intercell transformers (ICTs) is developed. The output voltage control strategy of the MPRI is introduced based on the iterative summation method for trigonometric functions. The circuit model of the system is derived to deduce the expressions for the key parameters. Considering the cascaded ICTs and the inductor-capacitor-capacitor (LCC) compensation circuit in the primary side, the design method of the compensation parameters is proposed based on the circuit model of the MPRI. After synthesizing the online monitoring, parameter pre-calculation, prediction of several conditions, and online learning, the flexible power control strategy is put forward for the wireless power transmission system with unfixed receiver position. Without the auxiliary positioning methods, the measurement in the secondary side, or the wireless communication between primary and secondary sides, the recognition of the load access and exit, as well as the power stabilization control after access, are realized. Finally, the theoretical analyses and the control strategy are validated by experiments.
KW - Wireless power transmission
KW - flexible power control
KW - multiphase resonant inverter
KW - power stabilization
KW - unfixed receiver position
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U2 - 10.1109/ACCESS.2019.2902411
DO - 10.1109/ACCESS.2019.2902411
M3 - Article
AN - SCOPUS:85078058882
SN - 2169-3536
VL - 7
SP - 181767
EP - 181777
JO - IEEE Access
JF - IEEE Access
M1 - 8656474
ER -