Events as Power Source: Wireless Sustainable Corrosion Monitoring

Article, Other literature type English OPEN
Sun, Guodong ; Qiao, Guofu ; Zhao, Lin ; Chen, Zhibo (2013)
  • Publisher: Multidisciplinary Digital Publishing Institute
  • Journal: Sensors, volume 13, issue 12, pages 17,414-17,433 (issn: 1424-8220, eissn: 1424-8220)
  • Related identifiers: doi: 10.3390/s131217414, pmc: PMC3892808
  • Subject: TP1-1185 | energy harvesting | corrosion monitoring | Chemical technology | wireless sensor | Article

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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