吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 538-547.doi: 10.13229/j.cnki.jdxbgxb201402041
石屹然1, 田彦涛1, 史红伟2, 张立3
SHI Yi-ran1, TIAN Yan-tao1, SHI Hong-wei2, ZHANG Li3
摘要：
针对SI发动机空燃比（Air-fuel ratio，AFR）控制的问题，首先对标准Volterra模型进行了改进，提出了一种变采样间隔的多输入多输出Modified Volterra模型。并应用该模型实现了发动机AFR系统的在线自适应辨识。并在此基础上，提出了一种基于Modified Volterra模型的非线性模型预测控制方法。利用Matlab对一种业内普遍认可的基准发动机模型进行了仿真实验，并与当前汽车广泛使用的PI控制器算法进行了对比。仿真实验结果证明了本文方法的有效性。
中图分类号:
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