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Effect of brake power distribution on dynamic programming technique in plug-in series hybrid electric vehicle control strategy

机译：插电式混合动力汽车控制策略中制动功率分配对动态规划技术的影响

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Plug-in Hybrid Electric Vehicle (PHEV) control strategies have received much attention in recent years for their significant impact in reducing the overall fuel cost. Dynamic programming (DP) is a control method which calculates every possible outcome at each step to find out the optimal supervisory control trajectory. In this work, DP is applied to a PHEV control strategy using a backward looking powertrain model while demonstrating the effect of considering the regenerative braking power distribution. A case study with a Series PHEV model is considered using DP based powertrain control strategy with different drive cycles to demonstrate the importance of considering brake power distribution on the cost-to-go function of these vehicles. The simulation results show that there is significant deviation from the optimal trajectory especially in heavy stop and go traffic situations while brake power distribution is considered.
机译：近年来，插电式混合动力汽车（PHEV）控制策略因其对降低总体燃料成本的重大影响而备受关注。动态编程（DP）是一种控制方法，可以计算每个步骤的每个可能结果，以找出最佳的监督控制轨迹。在这项工作中，将DP应用于使用后向动力总成模型的PHEV控制策略，同时展示了考虑再生制动功率分配的效果。考虑使用基于PHEV系列的案例研究，使用基于DP的动力传动系统控制策略，并采用不同的驱动周期，以证明考虑制动功率分配对这些车辆的通行成本的重要性。仿真结果表明，在考虑制动功率分配的情况下，特别是在大停停走的情况下，与最佳轨迹存在明显的偏差。

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