Events as power source: wireless sustainable corrosion monitoring.

Events as power source: wireless sustainable corrosion monitoring.
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作为动力源的事件:无线可持续腐蚀监测

DOI:
10.3390/s131217414
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发表时间:
2013-12-17
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
通讯作者:
Chen Z
Chen Z
中科院分区:
其他
文献类型:
--
作者:
Sun G;Qiao G;Zhao L;Chen Z

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本研究提出并实现了一个腐蚀监测无线传感器平台,EPS(事件作为电源),它监测钢筋混凝土(RC)结构中的腐蚀事件,同时由腐蚀过程中释放的微能量供电。在EPS中,所提出的腐蚀传感装置既作为识别腐蚀的信号源,又作为驱动传感器微粒的电源,因为腐蚀过程(事件)释放电能;这是本研究提出的一个新想法。为了积累微腐蚀能量,我们将EPS与COTS(商用现成)能量收集芯片集成,为超级电容器充电。特别是,本研究设计了自动能量管理和自适应发射功率控制策略,以有效地使用受限的累积能量。最后,基于混凝土孔隙溶液进行了一系列初步试验,以评估EPS的可行性和功效。
This study presents and implements a corrosion-monitoring wireless sensor platform, EPS (Events as Power Source), which monitors the corrosion events in reinforced concrete (RC) structures, while being powered by the micro-energy released from the corrosion process. In EPS, the proposed corrosion-sensing device serves both as the signal source for identifying corrosion and as the power source for driving the sensor mote, because the corrosion process (event) releases electric energy; this is a novel idea proposed by this study. For accumulating the micro-corrosion energy, we integrate EPS with a COTS (Commercial Off-The-Shelf) energy-harvesting chip that recharges a supercapacitor. In particular, this study designs automatic energy management and adaptive transmitted power control polices to efficiently use the constrained accumulated energy. Finally, a set of preliminary experiments based on concrete pore solution are conducted to evaluate the feasibility and the efficacy of EPS.
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