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GA-BP neural network algorithm-based city ecological construction evaluation method

A neural network algorithm, GA-BP technology, is applied in the field of urban ecological construction evaluation based on GA-BP neural network algorithm, which can solve the problem of weak scientific, persuasive and intelligent, insufficient data mining depth, and difficult to find hidden related indicators and other issues to avoid local optimization, improve reliability, and improve training accuracy and speed.

Inactive Publication Date: 2018-05-08
CHONGQING UNIV OF POSTS & TELECOMM +4
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AI Technical Summary

Problems solved by technology

Generally speaking, these methods are statistically simple and easy, but the disadvantage is that they have strong subjectivity, and in the face of a large amount of index data, they are only simple statistics and calculations, and the depth of data mining is not enough, especially not easy. Uncovering Implicit Correlation Indicators
This can lead to less scientific, persuasive and less intelligent evaluation results

Method used

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  • GA-BP neural network algorithm-based city ecological construction evaluation method
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  • GA-BP neural network algorithm-based city ecological construction evaluation method

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Embodiment Construction

[0021] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0022] In order to solve the problems existing in the prior art, the present invention proposes a new urban ecological evaluation method based on the GA-BP neural network, by first determining the structure and related parameters of the BP neural network, and then utilizing the genetic algorithm to optimize the initial weight and threshold, and then input the sample data to train the BP neural network model, and finally construct the urban urban ecological evaluation model.

[0023] Such as figure 1 As shown, a flow chart of an evaluation method for urban ecological construction based on the GA-BP neural network algorithm is implemented, which includes the following steps:

[0024] Step 1: Build an evaluation index system for urban ecological evaluation;

[0025] Step 2 generates data samples for training and testing the urban urban ecolo...

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Abstract

The invention relates to a GA-BP neural network algorithm-based city ecological construction evaluation method and belongs to the field of smart city ecological construction. The method comprises thefollowing steps of constructing a city ecological evaluation index system; generating neural network training and test samples; determining a topological structure of a neural network; setting relatedparameters of neural network training; optimizing initial weight and threshold of the neural network by utilizing a genetic algorithm; and inputting the training and test samples for training and checking the GA-BP neural network to finally build a GA-BP neural network algorithm-based city ecological evaluation model. The method can realize a city ecological construction evaluation function and has relatively high scientificity, validity and practicality.

Description

technical field [0001] The invention belongs to the field of smart city ecological construction, and relates to an evaluation method for urban ecological construction based on a GA-BP neural network algorithm. Background technique [0002] With the improvement of people's living standards, the strengthening of ecological awareness, and the formation of a consensus on sustainable development and other factors, urban ecological construction has increasingly become the focus of the world. The concept of urban ecology emphasizes that people and nature are the equal center, taking into account factors such as society, nature, and the environment, which well embodies the concept of sustainable and harmonious development. In recent years, the urban economic situation has been continuously improved, accompanied by the decline of the overall environmental quality and the increasing threats to the natural system. The sustainable development of the city is facing enormous pressure. On...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06N3/08G06F19/00G06Q50/26
CPCG06F2219/10G06N3/084G06N3/086G06Q50/26G16Z99/00
Inventor 雒江涛向中伟蔡功公慧宋航成刘建伟邱建华岳希峰邹涛孙小明
Owner CHONGQING UNIV OF POSTS & TELECOMM
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