本文针对实际控制需要,对传统的发动机数学模型中气缸空气流量的估算方法以及油膜蒸发模型的传递函数的简单取反方法加以改进,并在此基础上提出了基于改进数学模型的模糊动态空燃比控制算法,该算法具有鲁棒性强,实现简洁的特点。关键词:动态空燃比;发动机模型;模糊推理Abstract: Aimed at the actual demand, this paper improves the calculated methods about cylinder charge and the inverted transfer function of fuel film evaporation model in traditional engine models. The fuzzy control algorithm about transient air/fuel ration based on the ameliorative mathematical model mentioned above is putted forward. This algorithm has good characteristics of strong robust and realization easily.Key Words—— Transient air/fuel ratio, Engine model, Fuzzy illation
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