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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part C. Journal of mechanical engineering science >Study on the torsional vibration of a hybrid electric vehicle powertrain with compound planetary power-split electronic continuous variable transmission
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Study on the torsional vibration of a hybrid electric vehicle powertrain with compound planetary power-split electronic continuous variable transmission

机译：复合行星动力分配电子无级变速混合动力汽车动力总成的扭转振动研究

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摘要

A torsional vibration dynamic model is established with the commercial software ADAMS to predict the torsional vibration characteristics of a compound planetary power-split hybrid electric vehicle. By calculating and simulating the built model in ADAMS, the natural frequencies and corresponding modes are obtained. The results agree well with previous work, which derives the conclusions by solution of the system dynamics equations of hybrid driveline. Moreover, the main factors that influence the torsional vibration of the powertrain under the excitation of engine and electric motors are analyzed by the forced vibration analysis. The calculated results show that the low frequencies occur mainly in the torsional vibration of wheels and vehicle, while the high orders are related to the torsional vibration of differential, sun gears and planets. The results also show that the amplitude of torsional vibration of driveline is the lowest when the damping and stiffness of torsional damper are 15Nms/rad and 618Nm/rad respectively, the halfshaft stiffness is 2760Nm/rad and the rotational inertial of engine is 0.42kgm(2). The research can be used to support the further development of the power-split hybrid electric vehicle.
机译：利用商业软件ADAMS建立了扭转振动动力学模型，以预测复合行星动力分流混合动力电动汽车的扭转振动特性。通过在ADAMS中对建立的模型进行计算和仿真，可以获得固有频率和相应的模式。结果与以前的工作非常吻合，后者通过求解混合动力系统的动力学方程得出结论。此外，通过强制振动分析，分析了在发动机和电动机的激励下影响动力总成扭转振动的主要因素。计算结果表明，低频主要发生在车轮和车辆的扭转振动中，而高阶与差速器，太阳轮和行星的扭转振动有关。结果还表明，当扭转阻尼器的阻尼和刚度分别为15Nms / rad和618Nm / rad，半轴刚度为2760Nm / rad，发动机的转动惯量为0.42kgm时，传动系统的扭转振动幅度最低。 2）。该研究可用于支持动力分配混合动力电动汽车的进一步发展。

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