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基于双通道模式的WPT系统能量信号并行传输技术研究
作者:
作者单位:

1.中海油田服务股份有限公司;2.重庆大学自动化学院

中图分类号:

TM724

基金项目:

中国科学院战略性先导科技专项（A类）（XDA14030000）、中国海洋石油集团有限公司重点项目（CNOOC-KJ ZDHXJSGG YF 2019-01）


Research on Power and Data Parallel Transmission Technology Via a Dual-channel for WPT System
Author:
Affiliation:

1.China Oilfield Service Limited,Hebei Sanhe, China;2.School of Automation,Chongqing University

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    摘要:

    围绕旋转机构无线供电系统能量与信号同时传输问题,提出了基于双通道模式的能量信号并行传输方法。在分析双通道模式下能量与信号传输机理基础上,设计了相互解耦的能量信号传输线圈,能量传输基于SN拓扑的感应耦合技术,信号传输基于幅度调制方式,结合包络解调技术,实现了信号的双向传输。实验结果验证了所提方法的有效性,能量信号传输通道互不干扰,信号传输误码率为零。

    Abstract:

    To solve the problem of power and data parallel transmission simultaneously in wireless power transfer system for rotating mechanism, a parallel transmission method of power and signal based on dual-channel mode was proposed. On the basis of analyzing the power and signal transmission mechanism in dual-channel mode, a mutually decoupled power and signal transmission coil is designed. The power transmission is based on the induction coupling technology of SN topology, and the signal transmission is based on the amplitude modulation mode, combined with the envelope demodulation technology, realizing the two-way signal transmission. Experimental results verify the effectiveness of the proposed method, the power signal transmission channels do not interfere with each other, and the signal transmission error rate is zero.

    参考文献
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    [4] L. Ji, L. Wang, C. Liao and S. Li. Simultaneous Wireless Power and Bidirectional Information Transmission with a Single-Coil, Dual-Resonant Structure[J]. IEEE Transactions on Industrial Electronics, vol. 66, no. 5, pp. 4013-4022, May 2019.
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    [11] Su Y G, Zhou W, Hu A P, et al. A Shared Channel Design for the Power and Signal Transfers of Electric-field Coupled Power Transfer Systems[J]. Journal of Power Electronics, 2016, 16(2):805-814.
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  • 收稿日期:2022-06-28
  • 最后修改日期:2023-01-11
  • 录用日期:2023-02-14
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