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Directional Radiation Technique for Maximum Receiving Power in Microwave Power Transmission System
IEEE Transactions on Industrial Electronics ( IF 7.5 ) Pub Date : 9-18-2019 , DOI: 10.1109/tie.2019.2941150
Qi Hui , Ke Jin , Xirui Zhu

Directional radiation (DR), a distinguishing feature of a microwave power transmission (MPT) system, suitably shapes and properly steers an intensified beam toward a specific target area. Coupling more radiated energy to the receiving aperture, DR technique benefits system efficiency and brings great flexibility, which entails further investigation. This article addresses DR realization from a system perspective. A novel architecture of MPT transmitter is proposed, which equips the system with multiple independently controlled RF power outputs and serves as a solid hardware basis for DR realization. Three DR algorithms are also introduced, providing convenient methods to obtain maximum receiving power for the receiver via software control. A 915 MHz/100 W MPT transmitter is fabricated in the lab, and an MPT verification platform is also constructed. Proposed architecture and algorithms are fully verified with experiments, which show a good performance in DR realization.

中文翻译:


微波输电系统中最大接收功率的定向辐射技术



定向辐射 (DR) 是微波功率传输 (MPT) 系统的一个显着特征,它可以适当地塑造增强光束并将其正确引导至特定目标区域。 DR技术将更多的辐射能量耦合到接收孔径,有利于系统效率并带来很大的灵活性,这需要进一步的研究。本文从系统角度阐述容灾实现。提出了一种新颖的MPT发射机架构,为系统配备了多个独立控制的射频功率输出,为DR实现提供了坚实的硬件基础。还引入了三种DR算法,为接收机通过软件控制获得最大接收功率提供了便捷的方法。在实验室制作了915 MHz/100 W MPT发射机,并搭建了MPT验证平台。所提出的架构和算法经过充分的实验验证,在灾难恢复方面表现出了良好的性能。
更新日期:2024-08-22
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