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Highway Innovations Deserving Exploratory Analysis Programs (IDEA) Program: Self-Powered Sensors and Actuators for Bridges; Final rept

机译:高速公路创新值得探索性分析计划(IDEa)计划:自供电传感器和桥梁执行器;最终的评论

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摘要

The principle deliverable of this project is a prototype self-powered platform for monitoring of bridges and overpasses. The self-powered platform consists of the following essential components: (1) Linear electromagnetic generator for harvesting vibration energy of the bridge; (2) Energy conversion circuitry for conditioning and storage of harvested electrical energy; (3) Energy-aware wireless sensors that can operate with a time-varying energy supply. The linear electromagnetic generator converts vibration of the bridge components excited by the passing traffic into usable electrical energy. The electromechanical design is durable and maintenance-free if hermetically sealed, provides for easy installation and generates power, comparable to a battery power available for sensors and actuators.

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