Electromechanical product key quality characteristic determination method considering uncertainty

Abstract

The invention discloses an electromechanical product key quality characteristic determination method considering uncertainty, and the method comprises the steps: firstly determining the quality characteristic of an electromechanical product, then determining an influence factor and a sub-influence factor which influence the quality characteristic, and carrying out the evaluation of the quality characteristic through employing an interval q-run orthopair fuzzy set; performing consistency check and optimization on evaluation information given by experts; thirdly, calculating weights of the influence factors and the sub-influence factors; and finally, an interval q-run orthopar fuzzy accumulation proportion evaluation method is used for sorting the quality characteristics, and the key quality characteristics are determined according to a sorting result. According to the method, uncertainty and hesitation of expert evaluation information are considered, consistency check and optimization are carried out on the expert evaluation information, so that an evaluation result is more practical, the defects of a traditional key quality characteristic sorting method are overcome, and a basis is provided for control of key quality characteristics of mechanical and electrical products.

Description

technical field [0001] The invention relates to a method for extracting and controlling key quality characteristics of electromechanical products, in particular to a method for determining key quality characteristics of electromechanical products considering uncertainty, and belongs to the technical field of quality improvement of electromechanical products. Background technique [0002] With the development of the times and science and technology, the quality of electromechanical products has become a key factor for high-end electromechanical product manufacturers to win in the fierce market competition, because it determines whether the products can meet customer requirements, and the good reputation and sustainable development of enterprises are far from Do not sell high-quality products. In order to evaluate the quality level of electromechanical products, the concept of quality characteristics is proposed, which refers to the technical characteristics expressed in engin...

AI Technical Summary

Problems solved by technology

Most of these methods use real values ​​or simple fuzzy numbers when evaluating quality characteristics, ignoring the uncertainty and hesitation of evaluation information, resulting in inaccurate evaluation processes.

Moreover, most of these methods do not check the consistency of the expert's evaluation information, resulting in inconsistency in the evaluation information of each expert.

The most important point is that most of these methods only consider the impact of influencing factors on key quality characteristics, while ignoring the influence of sub-influencing factors below the influencing factors

It is precisely because of the deficiencies in the above three aspects of the traditional method that the extraction and sorting of key quality characteristics of mechanical and electrical products are not accurate, and the control measures for key quality characteristics cannot be accurately given.

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