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静液压储能传动汽车动力源系统的匹配效率

, PP. 118-122

Keywords: 汽车工程,动力源系统,仿真分析,匹配效率,静液压传动,发动机,液压泵

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Abstract:

?为了便于进行汽车动力源系统的参数选择和设计,在试验数据的基础上运用曲面拟合和二维插值的方法,通过模拟计算绘制了液压泵的特性等值曲线;综合发动机和液压泵的特性曲线,分别对发动机与液压变量泵、定量泵进行了匹配效率分析;考虑蓄能器的效率,建立了发动机与液压泵、蓄能器的效率数学模型以及效率脉谱图,定义了系统效率概念并以此评价动力源系统的经济性,得出了发动机与变量泵、定量泵匹配的效率关系以及动力源系统的最佳工作范围。

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