Traction Control of Four Wheel Drive Heavy Duty Construction Machinery based on Flexible Work Surface

Chen Feng

doi:10.16578/j.issn.1004.2539.2015.02.040

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Traction Control of Four Wheel Drive Heavy Duty Construction Machinery based on Flexible Work Surface

更新时间：2022-10-20

- Traction Control of Four Wheel Drive Heavy Duty Construction Machinery based on Flexible Work Surface
- Vol. 39, Issue 2, Pages: 35-39(2015)
- 作者机构：
  
  1. 浙江机电职业技术学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2015.02.040
  CLC：
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[1]陈峰.基于柔性工作表面四驱重载工程机械牵引力控制研究[J].机械传动,2015,39(02):35-39.

Chen Feng. Traction Control of Four Wheel Drive Heavy Duty Construction Machinery based on Flexible Work Surface. [J]. 39(2):35-39(2015)
[1]陈峰.基于柔性工作表面四驱重载工程机械牵引力控制研究[J].机械传动,2015,39(02):35-39. DOI： 10.16578/j.issn.1004.2539.2015.02.040.

Chen Feng. Traction Control of Four Wheel Drive Heavy Duty Construction Machinery based on Flexible Work Surface. [J]. 39(2):35-39(2015) DOI： 10.16578/j.issn.1004.2539.2015.02.040.

摘要

为了进一步研究重载工程机械运转特性,通过将柔性工作表面特征和前后桥转矩分配装置引入,建立四驱重载工程机械数学模型,得到一种基于发动机油门与前后桥转矩分配装置控制的四驱重载工程机械牵引力综合控制策略。研究结果表明,通过降低油门位置可以明显消除重载机械在柔性工作表面行驶过程中驱动轮过度滑转现象,使轮速维持在目标车速附近;系统中引入牵引力控制后可以很好抑制轮速在时间范围内变化波动性及过度滑转现象,将驱动轮速控制在目标车速范围内;系统中引入牵引力控制后明显消除了前后桥驱动轮转速差异,前后桥驱动力分配趋于合理。

Abstract

To further study the property of heavy-duty construction machinery operation,the flexible work surface and the front and rear axle torque distribution are introduced,the construction machinery mathematical model of four-wheel drive heavy duty is established,a heavy-duty construction machinery traction integrated control strategy based on flexible work surface and the front and rear axle torque distribution control is got.The results show that by reducing the accelerator position can significantly eliminate the driving wheel excessive slip phenomenon in the motion process of the heavy duty machinery on the flexible work surface,the wheel speed is maintained near the target speed.After the introduction of traction control system,the wheel speed variation can be well suppressed within the range of fluctuation in the target drive wheel speed and the excessive slip phenomenon within the speed control range.After the introduction of the traction control system to eliminate obvious differences between the front and rear axle drive wheel speed,the front and rear axle drive force distribution is more reasonable.

关键词

重载工程机械牵引力控制

Keywords

Heavy dutyConstruction machineryDrive forceControl

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