基于准瞬态发动机模型的车辆传动系统特性分析

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (24) : 175-182.

论文

吴虎威1 ，吴光强1,2

作者信息 +

Dynamic Characteristics Analysis of Vehicle Powertrain System Based on Quasi-transient Engine Model

WU Huwei 1 WU Guangqiang 1, 2

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文章历史 +

摘要

研究了怠速工况下车辆传动系统动力学特性和机械变速器齿轮敲击建模方法，并通过实车实验验证了研究方法的有效性。首先，利用实车装备的直列四缸四冲程发动机特性参数，建立了考虑动态摩擦扭矩特性的准瞬态发动机模型；其次，利用集中质量建模方法，建立怠速工况下车辆动力传动系统动力学模型，模型中详细建立机械变速器空套齿轮阻滞力矩模型，仿真分析了传动系统各部件的运动特性和齿轮对敲击强度。最后，利用实车怠速工况下的实验结果，验证了准瞬态发动机模型和车辆动力传动系统仿真模型的有效性，研究成果可进一步用于车辆动力传动系统设计开发和变速器齿轮敲击产生机理研究。

Abstract

Dynamic characteristics of vehicle powertrain system and modeling method of manual transmission gear rattle are studied on idle condition, which is then validated by vehicle experiment. Firstly, for an inline four-cylinder and four-stroke engine, a quasi-transient engine model considering dynamic friction property is modelled. Secondly, by the lumped mass modeling method, dynamic model of vehicle powertrain system on idle condition is established, taking into account loose gear drag torque. The model represents dynamic characteristics of powertrain system and gear rattle phenomenon of manual transmission. Finally, effectiveness of quasi-transient engine model and vehicle powertrain system model is validated by vehicle experiment results on idle condition. The research achievements will contribute to vehicle powertrain system design and mechanism analysis of manual transmission gear rattle phenomenon.

导出引用

吴虎威1,吴光强1,2. 基于准瞬态发动机模型的车辆传动系统特性分析[J]. 振动与冲击, 2016, 35(24): 175-182

WU Huwei 1 WU Guangqiang 1, 2. Dynamic Characteristics Analysis of Vehicle Powertrain System Based on Quasi-transient Engine Model[J]. Journal of Vibration and Shock, 2016, 35(24): 175-182

参考文献

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