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首页> 外文期刊>Mathematical Problems in Engineering: Theory, Methods and Applications >An Innovative Design of Decoupled Regenerative Braking System for Electric City Bus Based on Chinese Typical Urban Driving Cycle
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An Innovative Design of Decoupled Regenerative Braking System for Electric City Bus Based on Chinese Typical Urban Driving Cycle

机译：基于中国典型城市驾驶循环的电气城市公交车解耦再生制动系统的创新设计

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This paper proposes a novel decoupled approach of a regenerative braking system for an electric city bus, aiming at improving the utilization of the kinetic energy for rear axle during a braking process. Three contributions are added to distinguish from the previous research. Firstly, an energy-flow model of the electric bus is established to identify the characteristic parameters which affect the energy-saving efficiency of the vehicle, while the key parameters (e.g., driving cycles and the recovery rate of braking energy) are also analyzed. Secondly, a decoupled braking energy recovery scheme together with the control strategy is developed based on the characteristics of the power assistance for electric city bus which equips an air braking system, as well as the regulatory requirements of ECE R13. At last, the energy consumption of the electric city bus is analyzed by both the simulation and vehicle tests, when the superimposed and the decoupled regenerative braking system are, respectively, employed for the vehicle. The simulation and actual road test results show that compared with the superposition braking system of the basic vehicle, the decoupled braking energy recovery system after the reform can improve the braking energy recovery rate and vehicle energy-saving degree. The decoupled energy recovery system scheme and control strategy proposed in this paper can be adopted by bus factories to reduce the energy consumption of pure-electric buses.
机译：本文提出了一种用于电城市总线的再生制动系统的新型去耦方法，旨在改善制动过程中后轴的动能的利用。增加了三个贡献以区分以前的研究。首先，建立电动总线的能量流模型，以识别影响车辆节能效率的特征参数，而且还分析了关键参数（例如，驱动周期和制动能量的回收率）。其次，基于将空气制动系统的电源辅助的特性开发了与控制策略一起进行了解耦的制动能量回收方案，该电源辅助的特性配备空气制动系统，以及ECE R13的调节要求。最后，当分别用于车辆的叠加和去耦再生制动系统时，通过模拟和车辆测试分析电城市总线的能量消耗。模拟和实际道路测试结果表明，与基本车辆的叠加制动系统相比，改革后解耦的制动能量回收系统可以提高制动能量回收率和车辆节能程度。本文提出的解耦能量回收系统方案和控制策略可以通过总线工厂采用，以减少纯电动公共汽车的能源消耗。

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