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Alloy grade identification method based on membership function

A technology of membership function and identification method, which is applied in the direction of material analysis using the measurement of secondary emissions, can solve the problems of strong randomness of the algorithm, difficulty in debugging and maintenance, and no matching details presentation, etc., to achieve large optimization space and strong fault tolerance Effect

Active Publication Date: 2018-05-01
台州高视通智能科技有限公司
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Problems solved by technology

[0004] In view of the above deficiencies, the present invention provides an alloy brand identification method based on the membership function, which introduces the concept of the membership function, and solves the problem that the traditional algorithm is highly contingency, the recognition result is easily affected by detection errors, difficult to debug and maintain, and has no Problems such as matching details presentation

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  • Alloy grade identification method based on membership function
  • Alloy grade identification method based on membership function
  • Alloy grade identification method based on membership function

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Embodiment Construction

[0039] The concept of membership function first appeared in the paper "Fuzzy Sets" published by Professor L.A. Zadeh of the University of California in 1965. The degree of membership belongs to the concept of fuzzy evaluation, which refers to making a comprehensive evaluation of things affected by multiple factors, that is, a multi-factor decision-making method. The detection object of the present invention is often composed of multiple elements, and whether the detection object is a certain grade is jointly determined by the matching degree of various elements. It cannot be judged that the test object is the brand just because the content of a certain element is just within the content range specified by the brand; similarly, it cannot be judged that the test object is not the brand because the content of an element exceeds the content range specified by the brand. From this point of view, the membership function realizes fuzzy evaluation and multi-factor decision-making, and...

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Abstract

The invention discloses an alloy grade recognition method based on a membership degree function. The method comprises the following steps: reading element content information; determining a matching element set; calculating a membership degree; sorting according to a comprehensive membership degree and displaying the result; comparing the actually-measured element content information of a detection object with element content range information of a plurality of grades in a grade library; and inferring relative information including the grade of the detection object and the like. The invention provides a concept of the matching element set; the membership degree function is introduced and is used for comprehensively analyzing a plurality of factors; and matching details of the plurality of grades are shown in a direct manner.

Description

technical field [0001] The invention relates to the field of alloy detection, in particular to an alloy grade identification method based on a membership degree function. Background technique [0002] As an advanced detection instrument, X-ray spectrometer can detect the element content information of the tested sample. With the wide application of X-ray spectrometers in the alloy detection industry, a new function has gradually been derived - grade identification. Brand identification refers to comparing the measured element content information of the detected object with the element content range information of several brands in the brand library, and inferring the related information such as the brand of the detected object. The grade recognition is equivalent to the identity recognition of the detection object. This function presents the visual and specific grade recognition results to the relevant staff instead of a large number of abstract test data, so it can conveni...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N23/22
CPCG01N23/22
Inventor 李福生李宁
Owner 台州高视通智能科技有限公司
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