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矿用汽车动力源功率匹配控制策略

郑舒阳 金纯 罗维东

郑舒阳, 金纯, 罗维东. 矿用汽车动力源功率匹配控制策略[J]. 交通运输工程学报, 2015, 15(1): 82-91. doi: 10.19818/j.cnki.1671-1637.2015.01.011
引用本文: 郑舒阳, 金纯, 罗维东. 矿用汽车动力源功率匹配控制策略[J]. 交通运输工程学报, 2015, 15(1): 82-91. doi: 10.19818/j.cnki.1671-1637.2015.01.011
ZHENG Shu-yang, JIN Chun, LUO Wei-dong. Power matching control strategy of power source for mine truck[J]. Journal of Traffic and Transportation Engineering, 2015, 15(1): 82-91. doi: 10.19818/j.cnki.1671-1637.2015.01.011
Citation: ZHENG Shu-yang, JIN Chun, LUO Wei-dong. Power matching control strategy of power source for mine truck[J]. Journal of Traffic and Transportation Engineering, 2015, 15(1): 82-91. doi: 10.19818/j.cnki.1671-1637.2015.01.011

矿用汽车动力源功率匹配控制策略

doi: 10.19818/j.cnki.1671-1637.2015.01.011
基金项目: 

国家863计划项目 2011AA060404

详细信息
    作者简介:

    郑舒阳(1986-), 男, 黑龙江大庆人, 北京科技大学工学博士研究生, 从事矿用汽车电传动系统研究

    金纯(1975-), 男, 河南信阳人, 北京科技大学副教授, 工学博士

  • 中图分类号: U463.212

Power matching control strategy of power source for mine truck

More Information
    Author Bio:

    ZHENG Shuryang(1986-), male, doctoral student, + 86-10-62332467, 59708858 qq.com

    JIN Chun(1975-), male, associate professor, PhD, + 86-10-82375949, jinjinbit@163.com

  • 摘要: 针对矿用汽车发动机工作点分布于燃油低效区的问题, 提出了基于功率匹配的交流传动控制策略, 使得传动系统能够根据车辆工况的变化相应改变发动机输出功率。确定了电传动系统功率区, 引入了车辆负荷度评价车辆所处工况的负荷程度, 设计了3层结构的控制策略, 上层算法中使用滑动平均滤波算法对轮边电机转速进行预处理, 计算车辆负荷度; 中层算法利用三维模糊控制器, 根据车辆负荷度及发动机转速计算了参考功率; 下层算法中驱动系统追踪给定的参考功率, 实现了矿用汽车的功率匹配。为验证功率匹配控制策略的控制效果, 搭建了电传动试验平台进行验证。验证结果表明: 控制策略能够快速识别矿用汽车启动、爬坡、突遇负载、下坡等常用工况的负载变化, 并计算适合当前负载的驱动功率, 保障了矿用汽车在恶劣工况下的动力性; 稳态试验考察了控制策略下矿用汽车的节油效果, 发动机工作点分布在最佳燃油经济性曲线附近, 负载为40kW时, 功率匹配控制策略的燃油消耗量比满足最大功率需要策略减少10.8%, 负载为80kW时, 功率匹配控制策略的燃油消耗量比满足最大功率需要策略减少4.8%, 验证了功率匹配策略的有效性与可行性。

     

  • 图  1  交流传动系统结构

    Figure  1.  Structure of AC drive system

    图  2  工作点分布

    Figure  2.  Distribution of working points

    图  3  系统结构

    Figure  3.  System structure

    图  4  控制策略

    Figure  4.  Control strategy

    图  5  传动系统功率区

    Figure  5.  Power region of drive system

    图  6  三维模糊控制器结构

    Figure  6.  Structure of three-dimensional fuzzy controller

    图  7  隶属度函数

    Figure  7.  Membership functions

    图  8  仿真结果

    Figure  8.  Simulation result

    图  9  试验台架

    Figure  9.  Test bench

    图  10  启动过程试验结果

    Figure  10.  Test results of starting process

    图  11  突加负载试验结果

    Figure  11.  Test results of sudden loading

    图  12  实际行驶工况的试验结果

    Figure  12.  Test results of real driving cycles

    图  13  稳态运行发动机工作点

    Figure  13.  Working points of engine for stable running

    图  14  燃油消耗量对比

    Figure  14.  Comparison of fuel cosumptions

    表  1  不同油门开度下的加速度

    Table  1.   Accelerations under different throttle openings

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  • 收稿日期:  2014-08-23
  • 刊出日期:  2015-02-25

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