Distribution network device status indicator weight analysis method based on conjoint analysis

A joint analysis method and equipment status technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of large number of questionnaires, logical contradictions, difficult investigations, etc., to improve efficiency and ensure algorithm accuracy , the effect of reducing the number of

Active Publication Date: 2014-12-03
STATE GRID CORP OF CHINA +2
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Problems solved by technology

[0004] ①: The status of distribution network equipment mostly adopts a multi-layer structure index system. When applying the joint analysis method to analyze its weight, the number of questionnaires based on the orthogonal test design is large, which makes the investigation difficult
[0005] ②: Due to the large number of questionnaires, there are sometimes logical contradictions when experts score
How to check and adjust the consistency of the questionnaire data, there is currently no good solution

Method used

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  • Distribution network device status indicator weight analysis method based on conjoint analysis
  • Distribution network device status indicator weight analysis method based on conjoint analysis
  • Distribution network device status indicator weight analysis method based on conjoint analysis

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Embodiment Construction

[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0040] The present invention proposes a method of applying the joint analysis method to analyze the weight of distribution network equipment status indicators, which effectively reduces the number of investigation cards in the joint analysis method, and effectively solves the problem of data consistency verification in the joint analysis method; figure 1 As shown, the weight analysis method of the distribution network equipment status index in this embodiment includes:

[0041] 1. Use the orthogonal test to determine the survey c...

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Abstract

The invention provides a distribution network device status indicator weight analysis method based on conjoint analysis. The method includes the steps: 1, survey cards for a distribution network device status indicator are determined by an orthogonal test; 2, the survey cards are scored; 3, uniformity of scoring data is checked; 4, the scoring data with uniformity is fitted by a least square method, validity of the scoring data is checked so as to obtain distribution network device status indicator weight. Compared with the prior art, the method has the advantages that fewer survey cards are used without affecting implementation effect of the conjoint analysis, and the data of the survey cards are subjected to uniformity checking and adjustment.

Description

technical field [0001] The invention relates to a weight analysis method of a distribution network equipment state index, in particular to a distribution network equipment state index weight analysis method based on a joint analysis method. Background technique [0002] Conjoint analysis, also known as conjoint analysis, is a method of evaluating the needs and intentions of respondents and making decisions accordingly. When the traditional weight determination method is used to examine the importance of each attribute of a thing one by one, it is often impossible to give a very objective and precise answer; the joint analysis method, which is different from this synthetic analysis model, is decomposed, and can be investigated through the full profile preference survey. Statistical analysis of results that more closely reflects people's underlying measures. The basic idea is to simulate the choice of the respondents in the real situation after weighing the different states o...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06Q50/06
Inventor 范闻博盛万兴黄弦超杨雨
Owner STATE GRID CORP OF CHINA
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