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自适应神经模糊推理系统在电力故障重现中的应用 被引量:9
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作者 杜新伟 刘涤尘 +2 位作者 李媛 熊元新 王晓君 《电网技术》 EI CSCD 北大核心 2006年第6期82-87,共6页
将电力故障录波数据重现为实际波形对于继电保护测试和保护动作行为分析等具有重要意义。文章将自适应神经模糊推理系统和数字闭环修正技术应用于电力系统故障重现装置中,实现了整体数字域内的闭环控制,利用输出端回采数据与原始数据进... 将电力故障录波数据重现为实际波形对于继电保护测试和保护动作行为分析等具有重要意义。文章将自适应神经模糊推理系统和数字闭环修正技术应用于电力系统故障重现装置中,实现了整体数字域内的闭环控制,利用输出端回采数据与原始数据进行比较并修正信号源的方法极大地减小了故障重现的非线性误差。Matlab仿真和基于该算法的故障重现装置的实际应用证明了自适应神经模糊推理在故障重现中应用的可行性和有效性。 展开更多
关键词 自适应神经模糊推理系统 故障重现 数字闭环修正 电力系统
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Seasonal electric vehicle forecasting model based on machine learning and deep learning techniques
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作者 Heba-Allah I.El-Azab R.A.Swief +1 位作者 Noha H.El-Amary H.K.Temraz 《Energy and AI》 2023年第4期398-414,共17页
In this paper,multiple featured machine learning algorithms and deep learning algorithms are applied in fore-casting the electric vehicles charging load profile from real datasets of Spain’s electrical grid.The study... In this paper,multiple featured machine learning algorithms and deep learning algorithms are applied in fore-casting the electric vehicles charging load profile from real datasets of Spain’s electrical grid.The study aims to provide realistic datasets of electric vehicle load profiles to cope with the potential increase in electric vehicle penetration taking into consideration the seasonality effects.Technical issues are caused by the distribution network of the electricity grid;such as the huge charging power and stochastic charging behaviors of the drivers of electric vehicles due to the mass rollout of electric vehicles.Forecasting electric vehicles’load profile is necessary to face challenges to solve the problem of the potential mass rollout of electric vehicles penetration.However,Electric vehicle is considered one of the most promising solutions that develops faster than other stochastic renewable solution to reduce greenhouse emissions.The seasonality effect is one of the huge chal-lenges on electrical loads,so it is investigated by creating four separate forecasting networks to increase system accuracy and studying the effect of seasonal factors such as temperature fluctuation in the four seasons affecting the electric vehicles’battery in charging and draining modes.These factors are affecting the accuracy of the forecasting model.Four featured algorithms are investigated.Artificial Neural Networks and Adaptive Neuro-Fuzzy Inference Systems are applied as machine learning algorithms,and Long Short-Term Memory and the Gated Recurrent Units are also utilized as deep learning algorithms.The Gated Recurrent Units model performs slightly better than the long short-term memory employed on the hourly average daily historical data of charging electric vehicles.While the Adaptive Neuro-Fuzzy Inference System gathers both Artificial Neural Network and Fuzzy Inference System advantages. 展开更多
关键词 adaptive neuro-fuzzy inference system Deep learning Electric vehicles Gated recurrent units Long short-term memory Neural network Short-term load forecasting
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