Suzhou Electric Appliance Research Institute
期刊號: CN32-1800/TM| ISSN1007-3175

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基于遺傳算法改進BP神經(jīng)網(wǎng)絡(luò)的風(fēng)電功率預(yù)測研究

來源:電工電氣發(fā)布時間:2019-12-19 09:19 瀏覽次數(shù):465
基于遺傳算法改進BP神經(jīng)網(wǎng)絡(luò)的風(fēng)電功率預(yù)測研究
 
王冰冰,趙天樂
(南京理工大學(xué) 自動化學(xué)院,江蘇 南京 210094)
 
    摘 要:風(fēng)電功率預(yù)測對于風(fēng)電場和電網(wǎng)的安全可靠運行具有重要意義。以某風(fēng)力發(fā)電機為研究對象,根據(jù)該風(fēng)機歷史天氣信息和風(fēng)電功率數(shù)據(jù),使用遺傳算法改進BP神經(jīng)網(wǎng)絡(luò),構(gòu)建復(fù)合型神經(jīng)網(wǎng)絡(luò)的風(fēng)電功率預(yù)測系統(tǒng)。運用MATLAB軟件對算法進行編程與仿真,仿真結(jié)果表明,單一的BP神經(jīng)網(wǎng)絡(luò)預(yù)測系統(tǒng)波動性較高,精度不足,而復(fù)合型的神經(jīng)網(wǎng)絡(luò)算法有效地解決了這一問題,改進后的預(yù)測系統(tǒng)精度較高、穩(wěn)定性較強,滿足工業(yè)生產(chǎn)需求。
    關(guān)鍵詞:風(fēng)電;功率預(yù)測;BP 神經(jīng)網(wǎng)絡(luò);遺傳算法
    中圖分類號:TM614     文獻標(biāo)識碼:A     文章編號:1007-3175(2019)12-0016-06
 
Research on Wind Power Prediction Based on Improved BP Neural Network of Genetic Algorithm
 
WANG Bing-bing, ZHAO Tian-le
(School of Automation, Nanjing University of Science and Technology, Nanjing 210094, China)
 
    Abstract: Wind power prediction is of great significance for the safe and reliable operation of wind farms and power system. Taking a wind turbine as the research object, according to the historical weather information and power generation data of the turbine, the BP neural network was improved by genetic algorithm, and a composite neural network wind power prediction system was constructed. The arithmetic was programmed and simulated by MATLAB. The simulation results show that the single BP neural network prediction system has high fluctuation and insufficient precision, however, the compound neural network algorithm effectively solves this problem. The improved prediction system has high accuracy and stability, and meets the requirements of industrial production.
    Key words: wind power; power prediction; BP neural network; genetic algorithm
 
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