An IoT node with organic pressure sensor for structural health monitoring system

In this paper, we develop an IoT node with an organic pressure sensor for structural health monitoring (SHM) system. A 100um-thick polyurethane film was sandwiched by top/bottom electrodes to complete the flexible pressure sensor fabrication. IoT sensor nodes using available low-cost components in the market were designed for the SHM system. Sensors collect data about the state of structural infrastructures and send information to a virtual private server through a network gateway. We also built a website on the hosting server for the purpose of SHM including monitoring signals, storing data and other administration tools. Experiment results show that the IoT node with organic pressure sensors has high potential in SHM application. The organic pressure sensor manufacturing steps and the SHM system will be described in detail in this paper. © 2020 IEEE.