燃料电池客车动力系统经济性优化策略的研究

【摘要】 根据燃料电池客车的特点,提出了一种双动力系统结构,并在此基础上,从回馈制动、双电机转矩分配及单动力系统的能量管理几个方面,针对整车经济性进行了优化设计,并示例性地给出了实车的路况实验结果。测试结果表明,这种控制策略在满足整车动力性的同时,能有效提高整车经济性。更多还原

【Abstract】 According to the feature of fuel cell bus,a double-power system is designed.Then regenerative braking regulation,two motor torque distribution and energy management methods are analyzed and optimized respectively to improve the fuel cell bus economy.An example of test results under the given road condition is illustrated.The result shows the control strategy can improve both its dynamic and economy characters effectively.更多还原