A Study of the Assessment on Air Quality on Fuzzy Comprehensive Index

Yong Jian Sun

doi:10.4028/www.scientific.net/AMM.602-605.3522

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 602-605A Study of the Assessment on Air Quality on Fuzzy...

A Study of the Assessment on Air Quality on Fuzzy Comprehensive Index

Abstract:

This paper discusses the assessment problem on air quality. It will firstly make analysis on part irrationality of existing AQI and then introduces into concept of fuzzy mathematics on this basis. It makes index assessment on regional air quality according to 6 index values of selected air quality. Firstly, it will use fuzzy mathematics as basis to establish model of fuzzy comprehensive index and adopt weighting method of excess multiple considering each index to determine the weight, secondly it uses membership function of half-step trapezoidal method to determine its membership grade and makes compound operation to obtain fuzzy comprehensive assessment matrix, finally it makes fuzzy vector uniformization to get the new air quality index as well as uses national standard as reference limits to divide it into 6 grades and comprehensively makes index assessment on air quality.

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Periodical:

Applied Mechanics and Materials (Volumes 602-605)

Pages:

3522-3525

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.602-605.3522

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Online since:

August 2014

Authors:

Yong Jian Sun*

Keywords:

Air Quality Index (AQI), Excess Multiple Considering each Index, Fuzzy Comprehensive Index

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* - Corresponding Author

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