Real-time air quality data calibration method of utilizing error transfer

A technology of error transmission and air quality, applied in the field of real-time calibration of air quality data, it can solve problems such as the inability to meet the needs of use, and achieve the effect of good practicability and improved precision and accuracy.

Active Publication Date: 2018-02-02
JIANGSU ZHUOYI INFORMATION TECH CO LTD +2
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  • Real-time air quality data calibration method of utilizing error transfer
  • Real-time air quality data calibration method of utilizing error transfer
  • Real-time air quality data calibration method of utilizing error transfer

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Embodiment 1

[0035] The sample area in this example is Yixing City, Jiangsu Province. Yixing City is located at 31°07′-31°37′ north latitude and 119°31′-120°03′ east longitude. It is located at the junction of Jiangsu, Anhui and Zhejiang provinces, and is connected to the water surface of Taihu Lake in the east. Yixing City has two national monitoring stations, Yiyuan and Yixing Environmental Protection Bureau. In this example, the data of Yiyuan monitoring station from June 1, 2017 to July 31, 2017 were used as standard data, and the PM2.5, PM10, SO 2 , CO, NO, O 3 A total of 6 air parameters were used for data calibration. Joyee equipment uses 3SP series sensors produced by SPEC Corporation of the United States to measure SO by electrochemical methods 2 , CO, NO, O 3There are 4 parameters in total, and the SDS018 sensor produced by Jinan Nuofang Electronic Technology Co., Ltd. is used to measure 2 parameters of PM2.5 and PM10 by light scattering method. The sensors used in Zhuoyi eq...

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Abstract

The invention discloses a real-time air quality data calibration method of utilizing error transfer. The method is characterized by: firstly, initializing a model, then collecting national-standard data and eazytec equipment data of a recent time period, and carrying out Kriging interpolation on the collected national-standard data to obtain national-standard interpolation data of which sampling frequency is equal to that of eazytec equipment; carrying out Bagging model-based modeling on the national-standard interpolation data and the eazytec equipment data; then carrying out data calibrationon a result, which is currently output by a Bagging model, on the basis of an error of the last model to obtain a calibration value; and finally, waiting for collection of latest national-standard data, updating the calibration error according to the newly collected national-standard data, and transferring the error to a next model. Through carrying out model verification on actually measured Yixing data, it is proved that the method is capable of effectively improving precision and accuracy of low-precision equipment, carrying out region deployment, and being applied to an actual productionenvironment.

Description

technical field [0001] The invention belongs to the technical field of real-time calibration methods for air quality data, in particular to a real-time calibration method for air quality data using error transmission. Background technique [0002] With the development of industrialization in our country, the problem of environmental pollution is becoming more and more serious. In recent years, my country has gradually attached importance to environmental issues, and the degree of environmental pollution in my country has gradually decreased, but there is still a big gap compared with developed countries. At present, monitoring air environment quality is an effective means to control air pollution. Real-time monitoring of the air quality in industrial areas can effectively monitor the pollution discharge level of enterprises and strictly control the air quality environment. However, the current high-precision and high-accuracy air quality monitoring stations use sensors tha...

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Application Information

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IPC IPC(8): G06F17/18
CPCG06F17/18
Inventor 戴晶谢乾蒋圣龚俊谢智
Owner JIANGSU ZHUOYI INFORMATION TECH CO LTD
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