Quasi-self-powered Infrastructural Internet of Things: The Mackinac Bridge Case Study
Quasi-self-powered Infrastructural Internet of Things: The Mackinac Bridge Case Study
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准自供电基础设施物联网：麦基诺大桥案例研究
DOI：
10.1145/3194554.3194622
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发表时间：
2018
期刊：
影响因子：
--
通讯作者：
Chakrabartty, Shantanu
中科院分区：
文献类型：
--
作者：
Aono, Kenji;Hasni, Hassene;Pochettino, Owen;Lajnef, Nizar;Chakrabartty, Shantanu
需要自主、连续和长期的监测系统来准确地检测由于材料疲劳或地震等极端事件造成的民用基础设施故障。虽然目前的电池供电的无线传感器可以在给定的时刻评估结构的状况，但由于需要连续或频繁的采样，它们需要频繁更换电池。另一方面，自供电传感器可以连续监测结构状况，而无需任何维护;然而，收集功率的稀缺性限制了传感器可以无线询问的范围。在本文中，我们提出了一个准自供电传感器，结合了自供电传感的好处，并与电池供电的无线传输的好处。通过优化这两种功能，可以设计一个完整的传感器系统，该系统可以在结构的维护生命周期之间连续运行，并且可以在一定距离处进行无线询问，从而避免了使结构停止使用的需要。作为一个案例研究，在本文中，我们提出的设计考虑因素，在原型准自供电传感器部署在密歇根州北方的麦基诺桥，目标操作寿命大于20年。
Autonomous, continuous and long-term monitoring systems are required to prognosticate failures in civil infrastructures due to material fatigue or extreme events like earthquakes. While current battery-powered wireless sensors can evaluate the condition of the structure at a given instant of time, they require frequent replacement of batteries due to the need for continuous or frequent sampling. On the other hand, self-powered sensors can continuously monitor the structural condition without the need for any maintenance; however, the scarcity of harvested power limits the range at which the sensors could be wirelessly interrogated. In this paper, we propose a quasi-self-powered sensor that combines the benefits of self-powered sensing and with the benefits of battery-powered wireless transmission. By optimizing both of the functionalities, a complete sensor system can be designed that can continuously operate between the structure's maintenance life-cycles and can be wirelessly interrogated at distances that obviates the need for taking the structure out-of-service. As a case study, in this paper we present the design considerations involved in prototyping quasi-self-powered sensors for deployment on the Mackinac Bridge in northern Michigan, with a target operational life span greater than 20 years.
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DOI：
10.1109/iscas.2009.5117709
发表时间：
2009
期刊：
2009 IEEE International Symposium on Circuits and Systems
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