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首页> 外文期刊>Control Systems Technology, IEEE Transactions on >Torque-Assist Hybrid Electric Powertrain Sizing: From Optimal Control Towards a Sizing Law
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Torque-Assist Hybrid Electric Powertrain Sizing: From Optimal Control Towards a Sizing Law

机译:扭矩辅助混合动力总成尺寸:从最佳控制到尺寸定律

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摘要

In this study a novel method is proposed with which the optimal hybridization ratio of a torque-assist hybrid electric powertrain can be found with very little computational effort. The objective is to minimize the total CO$_2$ emissions of the vehicle, while maintaining its drivability at a constant level. The starting point is an analysis in which the optimal driving strategy is found for eight typical driving cycles using dynamic programming. Analyzing these results, a simple yet powerful rule-based method is proposed that allows to choose the sizes of the combustion engine and of the electric motor such that the CO$_2$ emissions are very close to the minimum value, i.e., with a deviation of less than 1% for most driving cycles.
机译:在这项研究中,提出了一种新颖的方法,利用该方法只需很少的计算工作就可以找到扭矩辅助混合动力总成的最佳混合比。目的是使车辆的总CO $ _2 $排放量最小化,同时将其驾驶性能保持在恒定水平。起点是一项分析,其中使用动态编程为八个典型驾驶周期找到最佳驾驶策略。分析这些结果,提出了一种简单但功能强大的基于规则的方法,该方法允许选择内燃机和电动机的尺寸,以使CO $ _2 $的排放量非常接近最小值,即存在偏差在大多数驾驶周期中,该值小于1%。

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