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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers, Part D. Journal of Automobile Engineering >Hardware-in-the-loop simulation of pressure-difference-limiting modulation of the hydraulic brake for regenerative braking control of electric vehicles
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Hardware-in-the-loop simulation of pressure-difference-limiting modulation of the hydraulic brake for regenerative braking control of electric vehicles

机译：电动汽车再生制动控制液压制动器的压差限制调制的半实物仿真

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摘要

Because of its significant impact on the cooperative regenerative braking performance of electrified vehicles, the modulation effect of a hydraulic brake is of great importance. To improve the hydraulic brake control performance further, a novel pressure-difference-limiting control method for hydraulic pressure modulation based on on-off solenoid valves is proposed. The linear relationship between the coil current and the pressure difference across the valve is obtained. The characteristics of pressure-difference-limiting modulation are simulated and analysed. Then, a cooperative regenerative braking control algorithm based on the pressure-difference-limiting modulation of the hydraulic brake is designed. Hardware-in-the-loop tests of the algorithm under typical braking procedures are carried out. The test results demonstrate the validity and feasibility of the developed regenerative braking control algorithm and indicate that the proposed pressure-difference-limiting modulation method, which has an advantage over the conventional control based on a pulse-width-modulated signal with respect to the control accuracy of the hydraulic brake pressure, has great potential to improve the braking performance of a vehicle.
机译：由于其对电动车辆的协同再生制动性能产生重大影响，因此液压制动器的调制效果非常重要。为了进一步提高液压制动器的控制性能，提出了一种基于开关电磁阀的液压差压限制控制新方法。获得线圈电流和阀两端的压差之间的线性关系。模拟并分析了压差限制调制的特性。然后，设计了一种基于液压制动器的压差限制调制的协同再生制动控制算法。在典型的制动程序下对该算法进行了硬件在环测试。测试结果证明了所开发的再生制动控制算法的有效性和可行性，并表明所提出的压差限制调制方法相对于基于控制的基于脉宽调制信号的常规控制具有优势液压制动压力的精确度，具有改善车辆制动性能的巨大潜力。

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