Bi-LSTM electric load prediction method based on deep learning

A forecasting method and deep learning technology, applied in neural learning methods, forecasting, instruments, etc., can solve the problems of low electric load forecasting efficiency, overfitting phenomenon, etc., to reduce overfitting phenomenon, improve adjustment freedom, improve The effect of efficiency

Inactive Publication Date: 2019-09-10
HOHAI UNIV CHANGZHOU
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Problems solved by technology

[0004] The purpose of the present invention is to provide a Bi-LSTM-based electric load forecasting method based on deep lear

Method used

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  • Bi-LSTM electric load prediction method based on deep learning
  • Bi-LSTM electric load prediction method based on deep learning
  • Bi-LSTM electric load prediction method based on deep learning

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[0031] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and cannot be used to limit the protection scope of the present invention.

[0032] Table 1 shows the daily electricity load and parameters of an office building in November:

[0033] Table 1

[0034]

[0035]

[0036]

[0037] In a specific case, the first M period parameters of the historical data are obtained, as shown in Table 1, the historical period parameters should not be less than 1, and the parameters include but are not limited to time, temperature, weather conditions (sunny 1, cloudy 0..5, Rainfall (0) area, population, etc. In the embodiment of the present invention, the period parameters are illustrated by taking time, high temperature, low temperature, weather conditions, and load as examples.

[0038] Based on Table 1, if you want t...

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Abstract

The invention discloses a Bi-LSTM electrical load prediction method based on deep learning, belongs to the technical field of electrical load prediction, and aims to solve the technical problems of low electrical load prediction efficiency and an overfitting phenomenon in the prior art and perform normalization preprocessing on an electrical load data sample. The method comprises: designing a multilayer Bi-LSTM deep neural network; inputting the preprocessed electrical load data into a neural network model for training; and performing reverse normalization processing on the prediction result.The multi-layer Bi-LSTM effectively increases the depth of the model, improves the adjustment freedom degree of electrical load parameters, carries out the extraction of a part of features of the inputted data, and improves the efficiency of a neural network model. In order to prevent overfitting of the training model caused by excessive layers of the network model, dropout is added into the model, and the overfitting phenomenon is reduced.

Description

technical field [0001] The invention belongs to the technical field of electric load forecasting, and in particular relates to a Bi-LSTM electric load forecasting method based on deep learning. Background technique [0002] The development of the power industry restricts the development of the national economy and society, and the power system also provides irreplaceable services for various users. While predicting the future electricity or power demand usage, power forecasting can reduce energy loss and avoid the situation of large horses and carts. Scientific power forecasting plays a major role in power system planning, operation and scheduling. When deciding on a new engine installation, unnecessary installed energy storage capacity can be avoided, which determines the capacity increase and reconstruction plan of the power grid, and determines the construction and development of the power grid. Power load forecasting can save energy, reduce costs, and reduce energy consu...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06G06N3/04G06N3/08
CPCG06Q10/04G06Q50/06G06N3/08G06N3/044G06N3/045
Inventor 蔡昌春陶媛邓志祥刘昊林
Owner HOHAI UNIV CHANGZHOU
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