TY - JOUR
T1 - Omnidirectional Wireless Power Transfer System With Hybrid Ladder-Shaped Magnetic Coupler for Planar Type AUVs
AU - Wen, Haibing
AU - Wang, Yu
AU - Wang, Peng
AU - Guo, Min
AU - Zhang, Kehan
AU - Yan, Zhengchao
AU - Yang, Lei
AU - Zhao, Yaopeng
AU - Tong, Xiangqian
AU - Song, Baowei
N1 - Publisher Copyright:
© 2025 IEEE.
PY - 2026/6/1
Y1 - 2026/6/1
N2 - A wireless charging system for a planar-type autonomous underwater vehicle (AUV) requires strong misalignment tolerance to possible simultaneous lateral, vertical offsets and inclination deviation in the underwater environment. However, the majority of previous research focused on cylindrical-type AUVs under lateral misalignment. To address this issue, a hybrid magnetic structure composed of a ladder-shaped coil and antiparallel windings for the AUV wireless charging system is proposed in this article. Specifically, employing Biot-Savart's law, the hybrid transmitting coil is confirmed to generate a uniform magnetic field in the charging region by theoretical and finite-element analysis (FEA). The detailed optimization procedure of the dimensional parameters is presented. A 400-W experimental prototype is implemented, achieving a maximum power transmission efficiency of 91.37%. The experimental results show that within the 30-mm vertical offset, 30% diagonal offset range of the receiving coil size, and the tilt angle of 15°, the power transmission efficiency fluctuation is restricted by only 4.33%. It verifies that the proposed hybrid ladder-shaped magnetic structure is able to supply stable power to a planar-type AUV under intricate position misalignments.
AB - A wireless charging system for a planar-type autonomous underwater vehicle (AUV) requires strong misalignment tolerance to possible simultaneous lateral, vertical offsets and inclination deviation in the underwater environment. However, the majority of previous research focused on cylindrical-type AUVs under lateral misalignment. To address this issue, a hybrid magnetic structure composed of a ladder-shaped coil and antiparallel windings for the AUV wireless charging system is proposed in this article. Specifically, employing Biot-Savart's law, the hybrid transmitting coil is confirmed to generate a uniform magnetic field in the charging region by theoretical and finite-element analysis (FEA). The detailed optimization procedure of the dimensional parameters is presented. A 400-W experimental prototype is implemented, achieving a maximum power transmission efficiency of 91.37%. The experimental results show that within the 30-mm vertical offset, 30% diagonal offset range of the receiving coil size, and the tilt angle of 15°, the power transmission efficiency fluctuation is restricted by only 4.33%. It verifies that the proposed hybrid ladder-shaped magnetic structure is able to supply stable power to a planar-type AUV under intricate position misalignments.
KW - Anti-misalignment performance
KW - hybrid ladder-shaped magnetic structure
KW - planar-type autonomous underwater vehicle (AUV)
KW - underwater wireless charging system
UR - https://www.scopus.com/pages/publications/105021366004
U2 - 10.1109/JESTPE.2025.3629993
DO - 10.1109/JESTPE.2025.3629993
M3 - 文章
AN - SCOPUS:105021366004
SN - 2168-6777
VL - 14
SP - 4026
EP - 4041
JO - IEEE Journal of Emerging and Selected Topics in Power Electronics
JF - IEEE Journal of Emerging and Selected Topics in Power Electronics
IS - 3
ER -