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Modeling and analysis of power trains for hybrid electric vehicles

机译：混合动力汽车动力总成的建模与分析

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摘要

For the complex type of hybrid electric vehicles (HEVs), the power split/coupling mechanism and the motor/generator power system form a very complicated electromechanical system. There is a need to know the interactions between the mechanical and the electrical parts, especially the ones between the planetary gear and the motor/generator set. So it is proposed in the paper the electromechanical-integrated models for the HEV power trains, which is helpful for system analysis and design. As an example of analysis, a practical HEV system has been studied. The vibration mode shapes and frequency responses, which are essential in assessing system behaviors, can be easily obtained by using the proposed model. On the basis of the analysis results, it is found that the operation control of MG2 will be significant not only in improving the vehicle comfortability but also in decreasing the fatigue life loss of planetary gear set no matter in the pure electric car mode or in the hybrid car mode.
机译：对于复杂类型的混合动力电动汽车（HEV），动力分配/耦合机构和电动机/发电机动力系统构成了非常复杂的机电系统。有必要了解机械零件和电气零件之间的相互作用，尤其是行星齿轮与电动机/发电机组之间的相互作用。因此，本文提出了混合动力汽车动力总成的机电集成模型，为系统分析和设计提供了帮助。作为分析的例子，已经研究了实用的HEV系统。振动模式形状和频率响应是评估系统行为必不可少的，可以通过使用建议的模型轻松获得。根据分析结果发现，无论在纯电动汽车模式下还是在纯电动汽车模式下，MG2的操作控制不仅在改善车辆舒适性方面，而且在减少行星齿轮组的疲劳寿命损失方面均具有重要意义。混合动力汽车模式。

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