Article Details

Abstract

The system aims to design a water environment monitoring and control system based on LoRa wireless communication technology to achieve real-time monitoring of water quality and environmental parameters and remote control of water treatment process equipment. The mainboard uses an STM32 microcontroller chip, and takes advantages of the characteristics such as low power consumption, low cost, and strong penetration capability of LoRa wireless communication technology, to solve data communications in complex environments. It introduces Kalman filtering to stabilize monitoring data, and finally uploads data to the cloud through NB-IoT (Narrow Band Internet of Things) gateway to achieve multi-terminal monitoring and control. Experimental results show that the proposed system architecture has broad application potential in water environment monitoring and equipment control in river basins. The point-to-point effective communication distance radius is not less than 1.2 km. The system design scheme is feasible and provides useful experience for the application of LoRa technology in the environment monitoring and control field.

Keywords

LoRa wireless communications; STM32; NB-IoT gateway; Kalman filtering; water environment monitoring and control

References

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About the authors

Zhang Qun (1992.03-), male, Han nationality, from Zhengzhou, Henan, engineer, master's degree, research direction: water conservancy, hydropower, and Internet of Things; Liu Fan (September 1998-), male, Han ethnicity, from Xi'an, Shaanxi Province, engineer, bachelor's degree, research direction: smart water management and Internet of Things; Yang Wendong (1995.10-), male, Han ethnicity, from Wuwei, Gansu, engineer, master's degree, research direction: smart water management; Guo Yuan (July 1987-), male, Han ethnicity, from Xianyang, Shaanxi, is a senior engineer with a master's degree. His research direction is smart water management.