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煤层气发动机混合气充量系数模型的辨识

, PP. 47-51

Keywords: 煤层气发动机,充量系数,辨识建模,神经网络

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Abstract:

将充量系数作为预混合点燃式煤层气发动机转速和进气歧管压力的函数,根据实验数据,应用系统辨识方法,建立了基于多项式、BP神经网络和自适应神经网络模糊推理系统(ANFIS)的混合气充量系数模型,比较了各种模型的建模效果。为了验证模型的有效性,将所建充量系数模型分别嵌入煤层气发动机平均值模型,对平均值模型的估计值和实验数据进行了比较。检验结果表明,充量系数的非参数模型比多项式模型具有更高的预测精度,适合作为系统仿真的子模型。

References

[1]  孙济美,张纪鹏,方祖华,等.压缩天然气和液化石油气发动机电控喷气技术研究[J].天然气工业,1998,18(2):68~72.
[2]  Hendricks E,Sorenson S C.Mean value modeling of spark ignition engines[C].SAE Paper 900616,1990.
[3]  Siviero C,Scattolini R,Gelmetti A,et al.Analysis & validation of mean value models for SI IC-engines[C]//Proceedings of First IFAC-Workshop on Advances in Automotive Control,Ascona,Chile,1995:1~6.
[4]  Gangopadhyay A,Meckl P.Modeling,validation and identification of a natural gas engine[C]//Proceedings of the American Control Conference,Albuquerque,New Mexico,1997:294~ 298.
[5]  左承基,钱叶剑,顾红兰.煤层气发动机HC和NO排放模型及试验[J].农业机械学报,2005,36(9):1~4.
[6]  周龙保.内燃机学[M].北京:机械工业出版社,1999.
[7]  Nicolao G De,Scattolini R,Siviero C.Modeling the volumetric efficiency of IC engines:parametric,non-parametric and neural techniques[J].Control Engineering Practice,1996,4(10):1 405~1 415.
[8]  Tseng Tung-Ching,Cheng W K.An adaptive air/fuel ratio controller for SI engine throttle transients[C].SAE Paper 1999-01-0552,1999.
[9]  Kotwicki A,Russell J,Pursifull R,et al.An air meter based cylinder air charge estimator[C].SAE Paper 1999 -01-0856,1999.
[10]  王桂增,王诗宓,徐博文,等.高等过程控制[M].北京:清华大学出版社,2002.
[11]  Yoon P,Park S,Yoon M,et al.A study on the development of a nonlinear engine model[C]//Proceedings of the Eleventh International Pacific Conference on Automotive Engineering,IPC2001D070,Shanghai,China,2001.
[12]  Carmichael C G.A study of the accuracy,completeness and efficiency of artificial neural networks and related inductive learning techniques[D].Ames,Iowa:Iowa State University,2001.
[13]  刘萍,王丛祥,姚喜贵.用进气压力计算充气效率的实验研究[J].农机化研究,2001(2):107~108.
[14]  邓康耀.发动机循环模拟中有关参数对充气效率的影响度[J].上海交通大学学报,1998,32(7):121~124.

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