A Cloud Ideal Solution Evaluation Method for Transformer Electromagnetic Design Scheme

A technology of electromagnetic design and cloud ideal solution, which is applied in the fields of electrical digital data processing, instrumentation, calculation, etc., and can solve problems such as insufficient representation of uncertainty.

Inactive Publication Date: 2018-01-30
ZHONGYUAN ENGINEERING COLLEGE
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Problems solved by technology

[0015] The application of Chinese patent application publication number CN 104679988 provides a multi-attribute decision-making method based on cloud TOPSIS, but there is also the same weight of expectation, entropy and hyper-entropy of the same decision attribute when the initial cloud decision matrix is ​​constructed. The problem that the polarity directions of expectation, entropy and hyper-entropy of the same decision attribute are consistent in the construction of negative ideal cloud
[0017] The literature "Evaluation of Customer Collaborative Innovation Work Based on Cloud Theory and Ideal Solution" (Innovative Technology, Issue 8, 2015, p25-28) proposes to use weighted comprehensive certainty to replace the distance in the traditional ideal solution to improve the approximation to the ideal method. Deterministic, a positive and negative ideal cloud construction method is given, but the weight and decision matrix are still in the conventional form, which does not fully reflect the uncertainty of the real world

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  • A Cloud Ideal Solution Evaluation Method for Transformer Electromagnetic Design Scheme
  • A Cloud Ideal Solution Evaluation Method for Transformer Electromagnetic Design Scheme
  • A Cloud Ideal Solution Evaluation Method for Transformer Electromagnetic Design Scheme

Examples

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Embodiment Construction

[0068] The present invention will be further described below in conjunction with embodiment.

[0069] The present invention uses the cloud ideal solution method to evaluate six dry-type distribution transformer electromagnetic design schemes to verify the effectiveness of the method.

[0070] Referring to the flow chart of the steps in Figure 1, the embodiment of the cloud ideal solution evaluation method for the transformer electromagnetic design scheme of the present invention includes the following steps:

[0071] Step 1: Screen evaluation indicators, collect and organize data, and construct a cloud model decision matrix.

[0072] In this example, four indicators of manufacturing cost, operating cost, temperature rise and noise are selected to characterize the performance of the electromagnetic design scheme of the transformer. These four indicators constitute the evaluation system of the electromagnetic design scheme of the transformer.

[0073] Table 1 is the data of six...

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Abstract

The invention relates to the field of transformer electromagnetic design scheme evaluation, in particular to a cloud ideal solution evaluation method for a transformer electromagnetic design scheme. The method comprises the steps of screening evaluation indexes, collecting and arranging data, and constructing a cloud model decision matrix; according to the cloud model decision matrix, generating a deterministic decision matrix; determining a weight of a cloud model; according to the weight of the cloud model, generating a deterministic weight; determining positive ideal cloud and negative ideal cloud; calculating a comprehensive determination degree of each scheme for the positive and negative ideal cloud; calculating a close degree of each scheme; and according to the close degrees, sorting to-be-evaluated schemes. According to the method, a technique for order preference by similarity to ideal solution (TOPSIS) is improved by utilizing the randomness and fuzziness of a cloud theory, the shortcomings of a conventional TOPSIS for calculating the close degree by utilizing a Euclidean distance and determining an evaluation model are overcome, the indeterminacy in realistic evaluation is reflected, and the flexibility, effectiveness and objectivity of transformer electromagnetic design scheme evaluation are improved.

Description

technical field [0001] The invention relates to a method for evaluating an electromagnetic design scheme of a transformer, in particular to a method for evaluating a cloud ideal solution of a transformer electromagnetic design scheme. Background technique [0002] The size and structural parameters of the transformer will affect the performance and cost of the transformer. Optimizing the electromagnetic design scheme of the transformer with the goal of efficiency or cost has been a hot spot that people have paid attention to. In the face of fierce market competition and the individuation and diversification of customer needs, the single-objective determination of the final design of the transformer can no longer meet the needs. Multi-objective optimization design can obtain multiple Pareto frontier solutions, but how to evaluate each solution (scheme ) is a problem that needs to be solved. [0003] At present, there are relatively few studies on the evaluation of the advant...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F19/00
CPCG16Z99/00
Inventor 王永林
Owner ZHONGYUAN ENGINEERING COLLEGE
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