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Optimization of Power Hybrid Control Strategy Parameters of Hybrid Bus

机译：混合动力公交车动力混合控制策略参数的优化

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It was studied the optimization of power control strategy parameters for reduction of gas consumption of a series-parallel LNG-electricity hybrid bus. The control parameters included the up and low limit value of SOC of super-capacitor, limited speed of vehicle in pure electric model, shutoff torque coefficient of engine and charging coefficient. The optimization was carried out by joint simulation by coupling the performance simulation model of vehicle and the optimization model of control parameters. It was applied DOE of Latin hypercube in simulation test, and set up relationship between control parameters with gas consumption by approximate model of quadratic response. The optimal value of control parameters was gotten with Multi-island genetic algorithm, and the gas consumption of bus was reduced effectively.
机译：研究了优化功率控制策略参数以减少串联-并联LNG-电力混合动力公交车的燃气消耗。控制参数包括超级电容器SOC的上下限值，纯电动模式下的车辆限速，发动机的关断扭矩系数和充电系数。结合车辆性能仿真模型和控制参数优化模型，通过联合仿真进行优化。在模拟试验中应用拉丁超立方体的DOE，并通过二次响应近似模型建立控制参数与耗气量之间的关系。利用多岛遗传算法得到控制参数的最优值，有效降低了公交车的燃气消耗。

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