...量机；发动机模型；辨识精度；参数选择[gap=1132]Key words: support vector machine; engine model; identification precision; parameters selection...
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The experimental results show that the system can effectively e-liminate the cause of identification error by skin effect and dead zone effect,and the algorithm is simple,easy to re-alize and high identification accuracy.
实验结果表明,该系统能有效消除集肤效应和死区效应所产生的辨识误差,且算法简单,易于实现,辨识精度高。
参考来源 - 一种新型的电机参数离线辨识系统BP neural network has higher precision of identification but it is a model without concrete parameters. It can be used to emulation computation of theoretic mixture ratio control system in the engine.
基于多项式最小二乘法和基于函数连接型神经网络的建模方法都可以得到参数模型,模型参数基本相同,辨识精度可以满足使用要求;而基于BP神经网络的模型具有更高的辨识精度,但得到的是非参数模型,适用于发动机空燃比控制系统的仿真计算。
参考来源 - 车用热膜式空气质量流量传感器的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
文中对比分析了几种模型的辨识精度。
文章还对如何减小测量误差，提高辨识精度进行了研究。
How to minish measure error and enhance identification precision was also studied in the paper.
实验结果表明，这种方法具有一定的辨识精度和工程应用价值。
It has been made clear from the experiment result that the method has a certain discernment precision and engineering application value.
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