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加氣站流量計(jì)校準(zhǔn)方法與精度提升研究

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【摘要】本文利用MEMS傳感器獲取加氣站流量計(jì)中大量的數(shù)據(jù),建立流量計(jì)校準(zhǔn)模型,結(jié)合多元線性回歸、神經(jīng)網(wǎng)絡(luò)等方法擬合海量數(shù)據(jù),以提高校準(zhǔn)的準(zhǔn)確性,另外明確了傳感器的安裝位置和安裝條件。結(jié)果表明,采用MEMS傳感器獲取流量計(jì)數(shù)據(jù)并結(jié)合高效的建模方法,是一種可行的流量計(jì)校準(zhǔn)方案。

【關(guān)鍵詞】流量計(jì);體積法;質(zhì)量法;MEMS傳感器;校準(zhǔn)

【DOI編碼】10.3969/j.issn.1674-4977.2024.03.067

Research on Calibration Methods and Accuracy Improvement of Gas Station Flowmeters

CHEN Jinhu

(Jinzhong Comprehensive Inspection and Testing Center, Jinzhong 030600, China)

Abstract: This article utilizes MEMS sensors to obtain a large amount of data from flowmeters in gas stations, establishes a flowmeter calibration model, and combines multiple linear regression, neural networks, and other methods to fit the massive data to improve the accuracy of calibration. In addition, the installation location and installation conditions of the sensors are clarified. The results show that using MEMS sensors to obtain flowmeter data and combining with efficient modeling methods is a feasible flowmeter calibration scheme.

Key words: flow meter; volume method; quality law; MEMS sensors; calibration

1加氣站流量計(jì)現(xiàn)有校準(zhǔn)方法

1.1體積法校準(zhǔn)

體積法校準(zhǔn)是通過測(cè)量流體通過流量計(jì)的時(shí)間和流速?gòu)亩?jì)算體積的方法[1]。(剩余4095字)

目錄
monitor