摘要
研究了并联式柴电混合动力客车的结构形式及其整车动力传动策略,对电控离合器接合过程中存在冲击度过大的问题进行了分析。建立离合器接合过程数学模型,将最优控制算法应用到HEV传动控制,运用极小值原理对冲击度和摩擦功进行了优化,要求HEV纵向冲击度和离合器滑摩功两者同时达到最小。实验结果表明,该控制算法实现了HEV动力平顺切换,同时有效地消减了离合器接合过程中的突发冲击和振动,整车平顺性得到很大提高,且降低了离合器的滑摩发热。
The parallel diesel-electric hybrid electric bus system construction and the power train control strategy is researched, then shock extent occurred in the process of electrically-controlled clutch engagement is analyzed. The mathematical model on the clutch engagement is built, optimal control algorithm is applied in HEV drive control, and shock extent and frictional work is optimized on basis of minimum principle. The test results show that the above algorithm has made the driving switch smooth, effectively reduced the sudden shock and vibration in the clutch engagement, improved the ve- hicle ride comfort and reduced the heat resulted by the clutch sliding friction.
出处
《上海汽车》
2013年第10期6-9,15,共5页
Shanghai Auto
