基于混合算法的短期负荷预测模糊建模(英文)

被引:5
作者
叶彬
朱承治
郭创新
曹一家
机构
[1] 浙江大学电气工程学院
基金
国家杰出青年科学基金;
关键词
模糊基函数网络; 短期负荷预测; 进化模糊系统;
D O I
暂无
中图分类号
TM715 [电力系统规划];
学科分类号
摘要
结合最小二乘(LS)辨识以及一种基于进化规划(EP)和粒子群优化(PSO)的混合进化算法EPPSO, 针对对温度比较敏感的夏季负荷,提出一种3阶段短期负荷预测(STLF)算法。在第1阶段,应用LS设计模糊基函数网络(FBFN)完成STLF模糊空间划分;第2阶段,首先拓展FBFN成一阶Sugeno模糊模型,然后应用EPPSO调节其前件参数同时训练后件参数,最后将前述模型用于STLF得出的预测误差看做一个新的时间序列,并仅用气象因素对其进行辨识,可以用回归模型表示该辨识模型,进而应用LS进行辨识。文中提出的STLF模糊建模策略主要贡献于受气象因素影响较大的夏季负荷。仿真部分对浙江省电力公司的实际负荷进行了预测,与其他方法的比较结果证明该方法具有良好的预测性能。
引用
收藏
页码:32 / 40+95 +95
页数:10
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