串联式混合动力车辆驱动系统参数设计与优化
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串联式混合动力车辆驱动系统参数设计与优化摘要 对混合动力车辆驱动系统参数设计的原则和方法进行了研究, 分析了电机恒功率特性对传
动系统参数的影响, 建立了动力元件功率、 恒功率速比范围和变速装置挡位数目与车辆动力性能的关系
方程, 设计了电机降功率使用方法, 扩大了电机恒功率转速范围。经对比验证,参数匹配方法可以获得
最为合理的电机功率需求与变速装置挡位数目。
关键词 混合动力车辆 驱动系统 参数设计 优化
Optimal Parametric Design for Series Hybrid Vehicular Drivetrain
Cui Xing
1
Xiang Changle
2
( 1 System Engi neering Research Ins t i tute, China North Indus tries Group Corporat i on, Beijing 100089,Chi na)
( 2 National Key Lab of Vehicular Transmiss ion, Beijing Ins t i tute of Technology, Beijing 100081, China)
Abstract The method and principle of the parametric design for electro- mechanical vehicular drivetrain are
studied. The impac t of the t raction motor drive characteristic on drivetrain performance is analyzed, the relations of
traction motor po wer rat ing, e xtended speed and shif ts of drivetrain are investigated. Furthermore, a method of util izing
motor s f ric t ional po wer is brought forward, in which the e xtended speed of the motor can be enlarged. Several exam
ples are presented to demonstrate that a much more reasonable solution to the motor power and shif ts of drivetrain can
be achie ved, which is based on these strategies of parametric design.
Key words Hybrid vehicle Drivetrain Parametric design optimization
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