摘要
无线电能传输(Wireless Power Transfer,WPT)技术因其无需物理导线连接带来的灵活性,在植入式医疗、消费电子等领域应用广泛。随着应用的逐渐深入,闭环控制、数据交互等功能对WPT系统中的信息传输提出要求。文章针对传统频移键控信息传输方案造成输出电压较大波动的问题,提出了一种基于最小频移键控的信息传输方案。首先介绍了电路的结构与工作原理,然后分析了最小频移键控的工作原理以及信息调制与解调方案,最后搭建了Simulink仿真实验,验证了所提出信息传输方案对输出波动的改善,并实现了5kbit/s的信息传输速率。
Wireless power transfer(WPT)technology has found widespread applications in implantable med-ical devices,consumer electronics,and other fields due to its flexibility from non-physical wire con-nections.As the application deepens,functional requirements such as closed-loop control,load identification,and data interaction impose demands for information transmission in WPT systems.To address the need for large fluctuations in the output voltage caused by the traditional frequency shift keying information transmission scheme,this paper proposes an information transmission scheme based on minimum shift keying.First,the structure and working principle of the circuit are introduced,and then the working principle of minimum shiftkeying as well as the information mod-ulation and demodulation schemes,are analyzed.Finally,a Simulink simulation experiment is built to verify the improvement of the proposed information transmission scheme on output fluctuations and achieve an information transmission rate of 5 kbit/s.
作者
沈傲栋
Aodong Shen(School of Mechanical Engineering,University of Shanghai for Science and Technology,Shanghai)
出处
《建模与仿真》
2025年第5期56-66,共11页
Modeling and Simulation
关键词
无线电能传输
信息传输
最小频移键控
全桥逆变器
Wireless Power Transfer
Information Transmission
Minimum Shift Keying
Full-Bridge Inverter
