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Simulation Time Reduction of a Driving Cycle for an Electric Motor in a Multi-Physical Context

机译:在多物理环境中减少电机驱动周期的仿真时间

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This paper presents an efficient approach to reduce simulation time over railway driving cycle. Firstly, the torque-speed map of the driving cycle is discretized into different regions that are represented by a single operating point which is called energy center. This first step is not sufficient when a large lumped parameter thermal model is used to calculate the heating of the motor. Thus, a methodology to reduce the thermal model is described and applied for a real railway driving cycle. Finally, the use of the energy centers with a reduced thermal model enables a strong reduction of the simulation time with a factor of around 15.
机译:本文提出了一种有效的方法来减少整个铁路驾驶周期中的仿真时间。首先,将行驶循环的转矩-转速图离散化为不同的区域,这些区域由一个单一的工作点(称为能量中心)表示。当使用大的集总参数热模型来计算电动机的热量时,此第一步是不够的。因此,描述了一种减少热模型的方法,并将其应用于实际的铁路驾驶周期。最后,通过使用具有简化热模型的能量中心,可以将仿真时间大大减少约15倍。

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