Automotive interior trim part smell evaluation method based on electronic nose

Abstract

The invention relates to an automotive interior trim part smell evaluation method based on an electronic nose. The automotive interior trim part smell evaluation method comprises the steps: S01, preparing part smell samples with different smell grades; S02, collecting smell sample data of parts by using the electronic nose; S03, performing subjective odor rating on the part samples by odor evaluation personnel in a blind evaluation mode; S04, preprocessing the electronic nose data; S05, establishing an electronic nose smell evaluation model; S06, evaluating the smell of to-be-tested parts by using the electronic nose smell evaluation model; and S07, optimizing the electronic nose smell evaluation model. According to the method, the electronic nose is used for evaluating the smell of the automotive interior trim part, an objective and accurate evaluation result is given, the problem that the smell evaluation result is influenced by subjective factors of olfactory discrimination personnel can be solved, and the efficiency and accuracy of evaluating the smell of the automotive parts are improved.

Description

technical field [0001] The invention relates to odor evaluation technology, in particular to an objective evaluation method for odor of automotive interior parts. Background technique [0002] With the development of the economy and society, cars have begun to enter thousands of households. With the improvement of consumers' awareness of environmental protection and health, the air quality in cars has attracted more and more attention. According to the survey of car after-sales data conducted by professional organizations, consumer complaints about odor problems in cars remain high. The smell in the car comes from the odor substances emitted by the parts in the car and external odors, such as smoking, car perfume, additional floor mats, seat cushions, and the diffusion of odors from the outside environment into the car. [0003] Chinese patent CN 104297434 B discloses a method for evaluating the smell of automotive interior parts. After putting the car interior parts into a...

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Problems solved by technology

[0005] In view of the above existing problems, the present invention proposes a method for evaluating the odor of automotive interior parts based on an electronic nose. The electronic nose is used to evaluate the odor of automotive interior parts, and an objective and accurate evaluation result can be given, which can solve the problem of odor evaluation results. Improve the efficiency and accuracy of the odor evaluation of auto parts by solving the problems affected by the subjective factors of the olfactory personnel

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