Method for diagnosing state of particulate matter filter cotton of vehicle tail gas detection equipment

The invention discloses a method for diagnosing the state of particulate matter filter cotton of vehicle tail gas detection equipment. The method comprises the following steps: classifying the states of a plurality of pieces of filter cotton which are known to be replaced or not; collecting data of...

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Hauptverfasser: YUAN WENPING, LU QIHANG, LYU YINGMING, ZHAO XIANGYANG
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creator YUAN WENPING
LU QIHANG
LYU YINGMING
ZHAO XIANGYANG
description The invention discloses a method for diagnosing the state of particulate matter filter cotton of vehicle tail gas detection equipment. The method comprises the following steps: classifying the states of a plurality of pieces of filter cotton which are known to be replaced or not; collecting data of particulate matter concentrations at the front end and the rear end of the two types of classified filter cotton and flow velocity of to-be-filtered gas, and dividing the collected data into training set samples and test set samples; training the established probabilistic neural network by using a training set sample; testing the trained filter cotton recognition probabilistic neural network by using a test set sample; and inputting the front and rear end particulate matter concentration and to-be-filtered gas flow rate data of the to-be-processed filter cotton collected in real time into the filter cotton recognition probabilistic neural network meeting the accuracy requirement, and judging whether the to-be-proce
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language chi ; eng
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subjects CALCULATING
COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS
COMPUTING
COUNTING
HANDLING RECORD CARRIERS
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TESTING
title Method for diagnosing state of particulate matter filter cotton of vehicle tail gas detection equipment
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