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Charging scheduling strategy for linear wireless power transfer network with external power injection
International Journal of Circuit Theory and Applications ( IF 1.581 ) Pub Date : 2021-06-09 , DOI: 10.1002/cta.3069
Jingjing Yang, Yanwei Jiang, Zhezhuang Xu, Wei Chen

Wireless power transfer network (WPTN) can provide efficient, timely, and dynamic charging service for multiple devices wirelessly by adopting mobile chargers. However, there are still urgent requirements to reduce the cost and improve the charging performance of WPTN. Therefore, this paper proposes the charging scheduling strategy for linear WPTN in which devices are distributed linearly or approximately linearly. An improved energy consumption model of the WPTN node is discussed firstly. Then, considering the charging capability of the wireless power transfer module, a charging threshold is selected to improve energy use efficiency. Moreover, the regional charging of mobile chargers is realized, so the distribution of carried energy on mobile chargers could be balanced and the maximum required energy that a single mobile charger carried could be reduced. Meanwhile, the processes of charging scheduling and energy delivery are analyzed in detail. Finally, simulation analysis and experimental data verify the effectiveness of the proposed charging scheduling strategies.

中文翻译:

具有外部功率注入的线性无线输电网络充电调度策略

无线电源传输网络(WPTN)通过采用移动充电器,可以为多台设备无线提供高效、及时、动态的充电服务。然而,在降低成本和提高WPTN的充电性能方面仍然存在迫切的需求。因此,本文提出了设备线性或近似线性分布的线性WPTN的计费调度策略。首先讨论改进的WPTN节点能耗模型。然后,考虑无线电力传输模块的充电能力,选择充电阈值以提高能量使用效率。而且实现了手机充电器的区域充电,从而平衡移动充电器携带的能量分布,降低单个移动充电器携带的最大能量需求。同时,详细分析了充电调度和能量输送的过程。最后,仿真分析和实验数据验证了所提出的充电调度策略的有效性。
更新日期:2021-06-10
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