Bus load combined prediction method and system based on distribution factors and information entropy
The invention discloses a bus load combined prediction method and system based on a distribution factor and information entropy, and relates to the technical field of power grids. The method comprisesthe steps of determining a prediction day, and determining a similar day of the prediction day accor...
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| creator | YIN CHENGQUAN JIANG YAN GAO DAOCHUN CHEN KAI ZHAO ZHENYU LUAN YI HE JINDING ZHOU BINBIN WANG YOUXIANG ZHOU HAN LI XIUFENG DUAN RUIQIN WU YANG ZHANG CONGTONG WU DONGPING |
| description | The invention discloses a bus load combined prediction method and system based on a distribution factor and information entropy, and relates to the technical field of power grids. The method comprisesthe steps of determining a prediction day, and determining a similar day of the prediction day according to a load in a power grid; determining a distribution factor according to the historical dataof each type of load of the similar day; determining at least two prediction models, taking the prediction precision as a target attribute, determining a weight vector of each prediction model throughinformation entropy, and weighting each prediction model according to the weight vector to obtain a combined prediction model; and processing the historical data according to the distribution factor,and inputting the processed historical data into the combined prediction model to obtain a bus load prediction result of the prediction day. The invention is suitable for bus load prediction, improves the type load prediction p |
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The method comprisesthe steps of determining a prediction day, and determining a similar day of the prediction day according to a load in a power grid; determining a distribution factor according to the historical dataof each type of load of the similar day; determining at least two prediction models, taking the prediction precision as a target attribute, determining a weight vector of each prediction model throughinformation entropy, and weighting each prediction model according to the weight vector to obtain a combined prediction model; and processing the historical data according to the distribution factor,and inputting the processed historical data into the combined prediction model to obtain a bus load prediction result of the prediction day. 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The method comprisesthe steps of determining a prediction day, and determining a similar day of the prediction day according to a load in a power grid; determining a distribution factor according to the historical dataof each type of load of the similar day; determining at least two prediction models, taking the prediction precision as a target attribute, determining a weight vector of each prediction model throughinformation entropy, and weighting each prediction model according to the weight vector to obtain a combined prediction model; and processing the historical data according to the distribution factor,and inputting the processed historical data into the combined prediction model to obtain a bus load prediction result of the prediction day. The invention is suitable for bus load prediction, improves the type load prediction p</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC DIGITAL DATA PROCESSING HANDLING RECORD CARRIERS PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR |
| title | Bus load combined prediction method and system based on distribution factors and information entropy |
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