Extended Wireless Monitoring Through Intelligent Hybrid Energy Supply
Extended Wireless Monitoring Through Intelligent Hybrid Energy Supply
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DOI：
10.1109/tie.2013.2267694
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发表时间：
2014-04-01
影响因子：
7.7
通讯作者：
Benini, Luca
中科院分区：
文献类型：
--
作者：
Magno, Michele;Boyle, David;Benini, Luca
本文介绍了一种适用于无线结构健康监测（WSHM）的硬件平台的设计，实现和表征。主要的设计目标是设计一个能够在目标结构的生命周期内持续运行的系统。该系统应可在施工阶段部署，之后可重新配置，适合于持续的长期监测。除了选择最节能的有用组件以确保尽可能低的功耗外，还必须考虑电池以外的能源或补充能源。因此，该平台通过与主控制器的实时能量信息交换，结合了多路能量收集、电化学燃料电池（FC）、能量存储、再充电能力和智能操作。它示出，适当的集成，该设备将有足够的能量在分布式WSHM应用程序中永久运行。这一结论通过实验结果、模拟和实验测量得到了证明，这些结果证明了收割机的高效率能量转换（高达86%）和平台的低功耗特性（睡眠模式下小于1 mW）。它示出，能源自主性是舒适地实现占空比高达0.75%，满足应用程序的需求，高达1.5%，调用FC。
This paper presents the design, implementation, and characterization of a hardware platform applicable to wireless structural health monitoring (WSHM). The primary design goal is to devise a system capable of persistent operation for the duration of the life cycle of a target structure. It should be deployable during the construction phase and reconfigurable thereafter, suitable for continuous long-term monitoring. In addition to selecting the most energy efficient useful components to ensure the lowest possible power consumption, it is necessary to consider sources of energy other than, or complementary to, batteries. Thus, the platform incorporates multisource energy harvesting, electrochemical fuel cell (FC), energy storage, recharging capability, and intelligent operation through real-time energy information exchange with the primary controller. It is shown that, with appropriate integration, the device will have sufficient energy to operate perpetually in a distributed WSHM application. This conclusion is demonstrated through experimental results, simulations, and empirical-measurements that demonstrate the high-efficiency energy conversion of the harvesters (up to 86%) and low-power characteristics of the platform (less than 1 mW in sleep mode). It is shown that energy autonomy is comfortably achievable for duty cycles up to 0.75%, meeting the demands of the application, and up to 1.5%, invoking the FC.