煤矿电动车辆单踏板再生制动效能分析

doi:10.3969/j.issn.1004-132X.2025.02.003

摘要/Abstract

摘要： 针对煤矿无轨辅助运输电动车辆提出了一种基于加速踏板的单踏板再生制动控制策略，以进一步提高再生制动能量回收率和能源利用效率。基于车辆制动动力学和能量守恒定律，对再生制动过程进行了理论建模。结合煤矿无轨辅助运输电动车辆驱动系统以及加速踏板的结构特征，建立了基于加速踏板开度的再生制动转矩求解模型，同时，为满足大强度制动工况需求，建立了由加速踏板切换至制动踏板时的再生制动转矩计算模型，对车辆加速、滑行及制动过程中控制策略的工作原理依次进行了分析。针对典型的驾驶循环工况，在底盘测功机上对单踏板再生制动控制策略的能耗经济性进行实车测试，结果显示NEDC和WLTC工况续驶里程分别增加了41.65 km和35.86 km。实车综合路试结果表明，加速、制动踏板切换过程中再生制动转矩过渡平稳，整车加减速过程平顺。研究结果为再生制动系统的优化开发奠定了技术基础，有利于煤矿电动车辆的推广和普及。

关键词: 煤矿电动车辆, 加速踏板, 再生制动, 能量回收, 控制策略

Abstract: A single-pedal regenerative braking control strategy was proposed based on the accelerator pedal for electric vehicles used in coal mine trackless auxiliary transportation, aiming to significantly enhance the regenerative braking energy recovery rate and energy utilization efficiency. Theoretical modeling of the regenerative braking process was conducted based on vehicle braking dynamics and the law of conservation of energy. Considering the structural characteristics of the driving system and accelerator pedal of mine trackless auxiliary electric transportation vehicles, a regenerative braking torque solution model was established based on the accelerator pedal opening. Furthermore, to meet the requirements of high-intensity braking conditions, a regenerative braking torque calculation model was developed for the transition from the accelerator pedal to the brake pedal. The working principles of the control strategy during vehicle acceleration, coasting, and braking were sequentially analyzed. For typical driving cycle conditions, an actual vehicle test was conducted on a chassis dynamometer to evaluate the energy consumption economy of the single-pedal regenerative braking control strategy. The results show that the driving range increases by 41.65 km and 35.86 km under the NEDC and WLTC conditions, respectively. Comprehensive on-road test results demonstrate a smooth transition of regenerative braking torque during the switching between the accelerator and brake pedals, ensuring a seamless acceleration and deceleration processes for the entire vehicles. This paper lays a technical foundation for the optimized development of regenerative braking systems and contributes to the promotion and popularization of coal mine electric vehicles.

Key words: , coal mine electric vehicle, accelerator pedal, regenerative braking, energy recovery, control strategy

中图分类号:

U469
TP273

任志勇1, 2, 3, 石琴1, 4, 闫凯2, 3. 煤矿电动车辆单踏板再生制动效能分析[J]. 中国机械工程, 2025, 36(02): 209-219.

REN Zhiyong1, 2, 3, SHI Qin1, 4, YAN Kai2, 3. Analysis of Single Pedal Regenerative Braking Efficiency of Coal Mine Electric Vehicles[J]. China Mechanical Engineering, 2025, 36(02): 209-219.

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链接本文: https://www.cmemo.org.cn/CN/10.3969/j.issn.1004-132X.2025.02.003

https://www.cmemo.org.cn/CN/Y2025/V36/I02/209

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