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首页> 外文期刊>Sensors Journal, IEEE >Charge Redistribution-Aware Power Management for Supercapacitor-Operated Wireless Sensor Networks
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Charge Redistribution-Aware Power Management for Supercapacitor-Operated Wireless Sensor Networks

机译:用于超级电容器的无线传感器网络的电荷重新分配感知电源管理

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摘要

Supercapacitors (SCs) have been used in energy harvesting wireless sensor networks (WSNs) to relieve the life cycle limitations that most traditional rechargeable storage devices suffer from. SC-operated WSNs present new challenges for power management due to its high self-discharge and charge redistribution. Power management algorithms have been developed to reduce self-discharge loss, but few studies have focused on charge redistribution loss in SC-operated WSNs. In this paper, we investigate how SC charge redistribution affects power management in long-term WSN applications, and develop a practical power manager to reduce redistribution loss by scheduling the workload in a way that maintains a relatively balanced voltage between the main branch and the delayed branch of an SC. The manager has low computational complexity and yields considerably smaller charge redistribution loss than other power managers.
机译:超级电容器(SC)已用于能量收集无线传感器网络(WSN)中,以减轻大多数传统可充电存储设备遭受的生命周期限制。由SC操作的WSN由于其高度的自放电和电荷重新分配而对电源管理提出了新的挑战。已经开发了电源管理算法来减少自放电损耗,但是很少有研究集中在SC操作的WSN中的电荷再分配损耗。在本文中,我们研究了SC电荷的重新分配如何影响WSN长期应用中的电源管理,并开发了一种实用的电源管理器,以通过在主分支和延迟节点之间保持相对平衡的电压的方式安排工作量来减少重新分配损失。 SC的分支。该管理器的计算复杂度低,并且与其他电源管理器相比,产生的电荷重新分配损失小得多。

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