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基于T-S模糊模型的航空发动机模型辨识 被引量:13
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作者 蔡开龙 谢寿生 吴勇 《推进技术》 EI CAS CSCD 北大核心 2007年第2期194-198,共5页
提出了一种航空发动机的Takagi-Sugeno(T-S)模糊模型辨识方法,该方法通过最小二乘法辨识模糊模型的后件参数,通过反向传播法辨识模糊模型的前件参数,并实现了模糊模型结构的自适应优化。以航空发动机机载记录数据为依据,通过对输入输出... 提出了一种航空发动机的Takagi-Sugeno(T-S)模糊模型辨识方法,该方法通过最小二乘法辨识模糊模型的后件参数,通过反向传播法辨识模糊模型的前件参数,并实现了模糊模型结构的自适应优化。以航空发动机机载记录数据为依据,通过对输入输出数据的学习建立了航空发动机的T-S模糊辨识模型,通过该模型对机载记录数据的辨识,结果表明该模糊辨识模型具有辨识精度高、鲁棒性强、容错性好等特点。 展开更多
关键词 航空发动机 ^T-S模糊辨识模型^+ ^反向传播^+ 最小二乘
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Developing energy forecasting model using hybrid artificial intelligence method
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作者 Shahram Mollaiy-Berneti 《Journal of Central South University》 SCIE EI CAS CSCD 2015年第8期3026-3032,共7页
An important problem in demand planning for energy consumption is developing an accurate energy forecasting model. In fact, it is not possible to allocate the energy resources in an optimal manner without having accur... An important problem in demand planning for energy consumption is developing an accurate energy forecasting model. In fact, it is not possible to allocate the energy resources in an optimal manner without having accurate demand value. A new energy forecasting model was proposed based on the back-propagation(BP) type neural network and imperialist competitive algorithm. The proposed method offers the advantage of local search ability of BP technique and global search ability of imperialist competitive algorithm. Two types of empirical data regarding the energy demand(gross domestic product(GDP), population, import, export and energy demand) in Turkey from 1979 to 2005 and electricity demand(population, GDP, total revenue from exporting industrial products and electricity consumption) in Thailand from 1986 to 2010 were investigated to demonstrate the applicability and merits of the present method. The performance of the proposed model is found to be better than that of conventional back-propagation neural network with low mean absolute error. 展开更多
关键词 energy demand artificial neural network back-propagation algorithm imperialist competitive algorithm
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