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首页> 外文会议>Proceedings of 2013 26th International Conference on Architecture of Computing Systems. >Combination of hybrid energy harvesters with MEMS piezoelectric and nano-Watt radio wake up to extend lifetime of system for wireless sensor nodes
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Combination of hybrid energy harvesters with MEMS piezoelectric and nano-Watt radio wake up to extend lifetime of system for wireless sensor nodes

机译：混合能量采集器与MEMS压电和纳瓦无线电技术结合使用，可延长无线传感器节点的系统寿命

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摘要

Power consumption is a critical issue in Wireless Sensor Networks(WSN) applications and typically the energy consumed by the wireless communication dominates. Reducing the WSN node activity and the communication energy can extend the lifetime of the node considerably. This work presents a direct application approach to extend the lifetime of a wireless senor node using a MEMS piezoelectric energy harvesting device in combination with a nano-Watt wake-up radio receiver, in order to build an efficient power device. The design of the power device will be connected to each node as a normal battery bringing the wake-up radio capabilities. Two scenarios were implemented to use the power unit as a wireless switch with harvesters, or to use the power management wake up polices while the MEMS piezoelectric harvester was designed as a power supply directly to the wake up radio receiver. The experimental results and characterization of the muW-MEMS harvester are presented. Finally, measurements on a generic node present the benefits of this approach bringing the power consumption in low power mode down to nano-Watt level (zero power) when the node is not needed in the application.
机译：功耗是无线传感器网络（WSN）应用程序中的一个关键问题，通常无线通信消耗的能量占主导。减少WSN节点活动和通信能量可以大大延长节点的寿命。这项工作提出了一种直接应用方法，可结合使用MEMS压电能量收集设备和纳瓦唤醒无线电接收器来延长无线传感器节点的寿命，以构建高效的功率设备。功率设备的设计将作为普通电池连接到每个节点，从而带来唤醒无线电功能。实施了两种方案，将电源单元用作收割机的无线开关，或者使用电源管理唤醒策略，而将MEMS压电收割机设计为直接提供给唤醒无线电接收器的电源。介绍了muW-MEMS收割机的实验结果和特性。最后，在通用节点上的测量结果显示了这种方法的优势，当应用中不需要该节点时，可将低功耗模式下的功耗降低至纳瓦级（零功耗）。

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