一种基于预测的电控汽油机怠速稳定性控制方法

One Predication-Based Idling Stability Control Method for the Electronically Controlled Gasoline Engines

根据发动机怠速工作过程的非线性、时变性和不确定性,分析了传统怠速稳定性控制的控制机理及存在的不足,提出了一种基于预测的发动机怠速稳定性控制方法——动态矩阵预测控制(DMC)算法,并建立了预测控制模型。试验表明,该预测控制方法能够较好地克服各种不确定性因素和复杂变化对怠速稳定性的影响。

Based on the non-linearity,time-varying and uncertainty of an engine idling working process,the control mechanism of the traditional idling stability control and its shortness are analyzed,one predication-based idling stability control method,the dynamic matrix predication control algorithm,is presented,and the predicating control model is created.It is proved by tests that this control method can effectively prevent idling stability from various uncertain factors and complicated change.