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The application of Composite Smart Structure in aerospace has earn more attention, especially in the monitoring of the structure. In order to monitor the impact of the structure, a method for low-speed hammering identification is proposed which is based on EMD (Empirical Mode Decomposition) and distributed FBG (Fiber Bragg Grating sensor) network. Firstly, the shape and clamped bearer form of composite...
LoRa, an emerging wireless technology, is examined for long range communication performance in a large area. Although LoRa shows good performance for long-distance transmission in the countryside, its radio signals can be attenuated and interfered with by buildings, trees and other signal sources. In urban areas, our observation shows that LoRa requires a dense deployment of LoRa gateways to ensure...
In order to solve the problems of the new energy vehicles, an APP for energy optimization and safety monitoring of new energy vehicles is designed and implemented based on Android platform and the mobile Internet technology. The system demand is analyzed through extensive investigation and study. Specifically, the client composes four functional modules, e.g., registered, MAP calibration, vehicle...
It's necessary to measure each monomer cell voltage of the fuelcell stack in order to ensure fuelcell stack to operate normally. Therefore, a host computer monitoring management software for fuelcell voltage polling measurement based on virtual instrument programming software LabVIEW8.5 was developed. The host computer monitoring management software could show fuelcell's operation voltage to user...
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