Optimal design of wireless power transmission system suitable for multi-degree-of-freedom motion devices

被引：1
作者：
Gao, Shihao [1 ,2 ,3 ]
Wang, Qunjing [2 ,3 ,4 ]
Li, Guoli [2 ,3 ,4 ]
Li, Zheng [5 ]
机构：
[1] Anhui Univ, Sch Elect & Informat Engn, Hefei, Peoples R China
[2] Anhui Univ, Sch Elect Engn & Automat, Hefei 230601, Peoples R China
[3] Anhui Univ, Natl Engn Lab Energy Saving Motor & Control Techn, Hefei 230601, Peoples R China
[4] Anhui Univ, Anhui Prov Lab Elect Economize & Safety, Hefei 230601, Peoples R China
[5] Hebei Univ Sci & Technol, Sch Elect Engn, Shijiazhuang 050018, Hebei, Peoples R China
来源：
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS | 2022年 / 36卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Wireless power transmission; mutual inductance; coupling coefficient; three-coil structure; multi-degree-of-freedom motor;
D O I：
10.1080/09205071.2021.1972842
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Traditional flat wireless power transmission is charging in a "one-to-one" manner. When the rotation angle of the receiving and transmitting coils is offset, their mutual inductance M and coupling coefficient will decrease. Multi-freedom motor is used in bionics, it is necessary to supply power to the visual acquisition device inside the rotor when rotating, and it is more convenient to use wireless charging instead of wired charging. A receiving structure suitable for moving devices is proposed, which can effectively improve the power transmission efficiency (PTE) when the angle is shifted. In the wireless power transmission, the mutual inductance M and coupling coefficient of the transmitting coil and the single-coil structure, the three-coil structure and its single coil in the rotation are calculated. The advantages and disadvantages of each structure are analyzed. Finally, experiments verify the accuracy and validity of the theory.
引用
收藏
页码：457 / 478
页数：22
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