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通过混合S参数建模和高效补偿来改善空气中的超声波功率传输

Liu Liu¹, Waleed H Abdulla¹

¹Department of Electrical, Computer, and Software Engineering, The University of Auckland, Auckland 1010, New Zealand.

Sensors (Basel, Switzerland)

|September 19, 2025

概括

在空气中超声波功率转移 (UPT) 面临效率挑战. 一个新的混合S参数模型和双面CL补偿方案显著提高了UPT效率和输出功率.

科学领域:

电气工程电气工程
声学声学在声学方面
无线电力传输是无线电力传输.

背景情况:

超声波功率传输 (UPT) 与电磁无线功率传输 (WPT) 相比具有优势.
基于空气的UPT面临着低效率的挑战,原因是声能损失和有限的输出功率.
现有的模型,如Butterworth-Van Dyke (BVD),由于合较弱和能耗较高,因此不适合空气UPT.

研究的目的:

为空中UPT系统开发一个准确的数学模型.
设计一个有效的电力补偿方案,以提高UPT的性能.
提高在空中运行的UPT系统的效率和输出功率.

主要方法:

开发了一种新的混合S参数模型,集成S参数理论和双端口网络分析.
根据新模型设计了一个双面CL补偿方案.
利用史密斯图表来简化补偿电路设计.
对拟议方案进行实验验证.

主要成果:

拟议的混合S参数模型提高了空气UPT的准确性并降低了复杂性.
双面CL补偿方案显著提高了UPT系统的性能.
实现了效率提高到2.14%,输出功率增加到13.5mW.
证明了改善空中UPT传输的实用和有效解决方案.

结论:

新的混合S参数模型和双面CL补偿方案有效地解决了空气UPT中的限制.
拟议的方法可显著提高空中无线电力传输的效率和输出功率.
这项工作为在空气环境中推进UPT技术提供了实际解决方案.

关键词:

这是一个S参数.史密斯的图表表格.超声波功率转移 (UPT) 超声波功率转移 (UPT) 超声波功率转移 (UPT) 超声波功率转移 (UPT)混合S参数模型的混合S参数模型.

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