Optimal control of regenerative hydraulic composite braking system based on a voltage variable charging control scheme
Optimal control of regenerative hydraulic composite braking system based on a voltage variable charging control scheme
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基于电压可变充电控制方案的再生液压复合制动系统优化控制
DOI：
10.1177/0954407019859082
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发表时间：
2020-02
期刊：
影响因子：
--
通讯作者：
Young-Bae Kim
中科院分区：
文献类型：
--
作者：
Jun-Cheng Wang;Ren He;Young-Bae Kim
开发了一种与电压可变充电控制方案相结合的双环最优控制策略，以提高再生液压复合制动系统的能量回收效率和控制精度。所提出的电压可变充电控制方案结构旨在基于现有电池管理系统使用充电电压变化来调节再生制动扭矩。此外，还进行了实验测试来验证充电电压控制的有效性，并开发了第一环最优控制，通过将多个状态变量转化为微分方程来准确评估理想地面制动力。随后开发了第二个最优控制环，以在全制动条件下使用全信息最优滑模控制方法来跟踪理想滑移率。仿真结果证实，由所提出的控制策略控制的复合制动系统能够精确地实现再生制动行为，并且具有相当高的能量回收效率。
A double-loop optimal control strategy combined with a voltage variable charging control scheme is developed to enhance the efficiency of energy recovery and improve control precision for a regenerative hydraulic composite braking system. The proposed voltage variable charging control scheme structure aims to regulate a regenerative braking torque using a charging voltage variation based on an existing battery management system. In addition, an experimental test was conducted to verify the effectiveness of the charging voltage control, and a first loop optimal control was developed to evaluate the ideal ground braking force accurately by transforming several state variables into differential equations. A second optimal control loop was subsequently developed to track an ideal slip ratio using a full-information optimal sliding mode control method under the all-braking conditions. Simulation results corroborate that a composite braking system controlled by the proposed control strategy can implement the regenerative braking behavior precisely with a considerable high-energy recovery efficiency.
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