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基于Savitzky-Golay算法的发动机动态工况燃烧稳定性评价方法

卢维伟,丛日振,李承运, 赵福成, 邹明恩

Small Internal Combustion Engine and Motorcycle（2021）

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Abstract
重点介绍了一种基于Savitzky-Golay算法的发动机瞬态工况IMEP(平均指示有效压力)的拟合方法,并在此基础上提出一种新的燃烧稳定性的评价方法-DIOC,即Dynamic Index of Combustion,发动机动态工况燃烧评价指标.相比传统的评价方法,新方法能够同时对稳态工况和动态工况的燃烧稳定性进行客观评价.通过试验验证,Savitzky-Golay算法拟合的动态工况缸压IMEP曲线能够准确表征瞬态工况下发动机的燃烧变化,具备较强的实用性.
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