Investigation of Single-Input Multiple-Output Wireless Power Transfer Systems Based on Optimization of Receiver Loads for Maximum Efficiencies

被引：10
|
作者：
Kim, Sejin [1 ]
Hwang, Sungyoun [1 ]
Kim, Sanghoek [1 ]
Lee, Bomson [1 ]
机构：
[1] Kyung Hee Univ, Dept Elect & Radio Engn, Yongin, South Korea
来源：
JOURNAL OF ELECTROMAGNETIC ENGINEERING AND SCIENCE | 2018年 / 18卷 / 03期
关键词：
Efficiency; Multiple-Input Multiple-Output System; Multiple Receivers; Optimum Loads; Wireless Power Transfer;
D O I：
10.26866/jees.2018.18.3.145
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：
In this paper, the efficiency of single-input multiple-output (SIMO) wireless power transfer systems is examined. Closed-form solutions for the receiver loads that maximize either the total efficiency or the efficiency for a specific receiver are derived. They are validated with the solutions obtained using genetic algorithm (GA) optimization. The optimum load values required to maximize the total efficiency are found to be identical for all the receivers. Alternatively, the loads of receivers can be adjusted to deliver power selectively to a receiver of interest. The total efficiency is not significantly affected by this selective power distribution. A SIMO system is fabricated and tested; the measured efficiency matches closely with the efficiency obtained from the theory.
引用
收藏
页码：145 / 153
页数：9
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