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Optimization of gear shifting strategy for hybrid electric vehicles on the process of braking

机译:混合电动汽车齿轮移位策略优化制动过程中的换档策略

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A new optimization method for gear shifting on single shaft hybrid electric vehicles is proposed to improve the braking performance. Three parameters (vehicle acceleration, motor torque and weight of vehicle) in objective function are determined to have influence on the process of braking. Optimal shifting velocity is found from the given parameters by Multi-Island Genetic Algorithm (MIGA) and values of objective function are compared to decide whether vehicle shifts or not. In the Chinese typical city cycle, the strategy appears to have less sum of braking pedal aperture on the process of braking and avoid the problem of shifting frequently by fuzzy control.
机译:提出了一种新的单轴混合动力电动车轮换档优化方法,以提高制动性能。 确定目标函数中的三个参数(车辆加速度,电动机扭矩和重量)对制动过程产生影响。 通过多岛遗传算法(MIGA)从给定参数中发现最佳变速速度,并且对客观函数的值进行比较,以决定车辆是否换档。 在中国典型的城市循环中,策略似乎在制动过程中具有较少的制动踏板光圈,并避免了通过模糊控制频繁移位的问题。

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