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Water quality monitoring data calibration method based on edge calculation

A technology for water quality monitoring and edge computing, applied in the field of Internet of Things, can solve the problems of high computing pressure on cloud servers, inconvenient terminal equipment promotion, large network traffic consumption, etc., to reduce computing pressure, improve accuracy and accuracy, and save network traffic. Effect

Active Publication Date: 2020-08-07
JIANGSU ZHUOYI INFORMATION TECH CO LTD +2
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, traditional machine learning calibration models are all implemented based on cloud servers. Cloud servers are under heavy computing pressure and consume a lot of network traffic. Cloud servers are not easy to access more terminal devices for large-scale promotion.

Method used

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  • Water quality monitoring data calibration method based on edge calculation
  • Water quality monitoring data calibration method based on edge calculation
  • Water quality monitoring data calibration method based on edge calculation

Examples

Experimental program
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Effect test

Embodiment 1

[0038] The sample area of ​​this embodiment is Wuxi Port, Yixing City, Jiangsu Province. The river network in Yixing is densely covered with criss-crossing rivers. Most of the hilly areas are streams and rivers. Wuxi Port is located in Dingshu Town, Yixing City. The water system within the catchment range of the Wuxi Port Bridge section takes Wuxi Port as the main channel and includes Xidu River, Changzheng River, Changmin River, Farm River, Hengdang River and Dingkuo Port 6 branch rivers.

[0039] In this example, the miniature water quality monitoring station of Jiangsu Zhuoyi Information Technology Co., Ltd. is used, and the sensor of Zhejiang Weilan Environmental Technology Co., Ltd. is integrated. The monitoring indicators and technical parameters of the monitoring indicators of the miniature water quality monitoring station are shown in Table 1.

[0040] Table 1 Monitoring indicators and technical parameters of miniature water quality monitoring stations

[0041]

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Embodiment 2

[0046] The Huangdu Port Water Quality Monitoring Station is an automatic monitoring station for environmental surface water quality in Jiangsu Province. The water quality monitoring data has high precision. A corresponding water quality monitoring station was established near the Huangdu Port Station. Learn samples and perform XGBoost-based water quality data calibration. The overall flow chart of the method is shown in Figure 4 As shown, first obtain the water quality historical data of the micro-water quality monitoring station and the water quality historical data of the Jiangsu Environmental Surface Water Quality Automatic Monitoring Station (Huangdu Port Station), and carry out water quality data calibration based on XGBoost, and establish a water quality data calibration model. Then, the water quality data calibration model is remotely updated to the edge gateway through the 4G network and based on the TCP / IP protocol. The edge gateway obtains the current terminal envir...

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Abstract

The invention discloses a water quality monitoring data calibration method based on edge calculation, which relates to the technical field of Internet of Things. The water quality monitoring data calibration method comprises the following steps of: acquiring water quality historical data of a micro water quality monitoring station and an environmental surface water quality automatic monitoring station; performing water quality data calibration based on an XGBoost algorithm, and establishing a water quality data calibration model; remotely updating the obtained water quality data calibration model to an edge gateway based on a TCP / IP protocol; and using the water quality data calibration model at the edge gateway and periodically adjusting and updating the water quality data calibration model to the edge gateway according to different external environments. According to the water quality monitoring data calibration method, real-time data calibration is carried out on terminal hardware,the network traffic is saved, and the computing pressure of a cloud server is reduced; the precision and accuracy rate of the miniature water quality monitoring station are improved, the water qualitydata calibration model is optimized and updated regularly to adapt to the external environment, and the miniature water quality monitoring station can be practically applied to development of embedded equipment and an environment-friendly big data platform.

Description

technical field [0001] The invention relates to the technical field of the Internet of Things, in particular to a method for calibrating water quality monitoring data based on edge computing. Background technique [0002] With the rapid development of economy, environmental problems, especially water environment and water ecological problems have become increasingly prominent. The deterioration of water environment has a serious impact and restriction on economic development. Water quality monitoring in key areas is usually carried out through the construction of water quality monitoring stations, but high-precision water quality monitoring stations have high construction costs and low measurement frequency, making it difficult to install them on a large scale. Jiangsu Zhuoyi Information Technology Co., Ltd. has independently developed a low-cost, general-precision miniature water quality monitoring station to monitor water quality data. It can perform high-frequency measur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/66H04L29/06G01N33/18G06Q50/26
CPCH04L67/12H04L12/66H04L69/16G01N33/18G06Q50/26Y02A20/152
Inventor 戴晶蒋圣谢乾王吉杨洋张彬沈愉悦徐润之沈赟芳汪涛
Owner JIANGSU ZHUOYI INFORMATION TECH CO LTD
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