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Optimization of Energy Recovery Efficiency for Parallel Hydraulic Hybrid Power Systems Based on Dynamic Programming

机译：基于动态规划的平行液压混合动力系统能量回收效率优化

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摘要

In this paper, an optimization algorithm of energy recovery efficiency is proposed for parallel hydraulic hybrid systems (PHHS) using dynamic programming (DP). Global optimal solution of pump displacement and transmission ratio under the known urban drive cycles is obtained by using the DP approach, where the total amount of energy recovery is defined as the cost function, and the pump displacement and the transmission ratio of the torque coupler are defined as the deciding variables. Two major steps are involved in verifying the proposed approach. Firstly, a PHHS Simulink model is accurately obtained by repeated comparison with the bench test. Subsequently, we derive a parallel hydraulic hybrid vehicle (PHHV) from adding a hydraulic hybrid system to an electric vehicle in ADVISOR (advanced vehicle simulator). This vehicle is used to validate the effectiveness of the proposed method in energy recovery efficiency.
机译：本文采用动态编程（DP）提出了一种用于平行液压混合系统（PHHS）的能量回收效率优化算法。通过使用DP方法获得了已知的城市驱动循环下的泵位移和传动比的全局最佳解决方案，其中能量回收总量被定义为成本函数，泵位移和扭矩耦合器的传动比定义为决定变量。验证建议的方法有两次主要步骤。首先，通过与板凳测试重复比较来精确获得PHHS Simulink模型。随后，我们推出了一个平行的液压混合动力车辆（PHHV），将液压混合系统添加到顾问（先进车辆模拟器）的电动车辆中。该车辆用于验证所提出的方法在能量回收效率方面的有效性。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第5期|9691507.1-9691507.11|共11页
  • 作者

    Ning Xiaobin; Shangguan Jiarong; Xiao Yong; Fu Zhijun; Xu Gaolun; He Anqing; Li Bin;

  • 作者单位

    Zhejiang Univ Technol Coll Mech Engn Hangzhou 310014 Zhejiang Peoples R China;

    Zhejiang Univ Technol Coll Mech Engn Hangzhou 310014 Zhejiang Peoples R China;

    Zhejiang CRRC Elect Vehicle Co Ltd Hangzhou Zhejiang Peoples R China;

    Zhejiang Univ Technol Coll Mech Engn Hangzhou 310014 Zhejiang Peoples R China;

    Zhejiang Univ Technol Coll Mech Engn Hangzhou 310014 Zhejiang Peoples R China;

    Zhejiang CRRC Elect Vehicle Co Ltd Hangzhou Zhejiang Peoples R China;

    Concordia Univ Dept Mech & Ind Engn Montreal PQ H3G 1M8 Canada;

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