China Mechanical Engineering ›› 2011, Vol. 22 ›› Issue (21): 2638-2641.

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Simulation Analysis of Four-Wheel Drive for ZL50 Loader Based on Active Limited Slip Differential

Wu Yuecheng;Ji Xiaowei;Xie Pei;Fu Lixian
  

  1. Zhejiang Sci-Tech University,Hangzhou,310018
  • Online:2011-11-10 Published:2011-11-16
  • Supported by:
    Zhejiang Provincial Science and Technology Major Project of Ministry of Science and Technology of China( No. 2009C11111)

基于主动限滑差速器的ZL50装载机四轮驱动仿真分析
 

吴跃成;季小伟;谢;佩;傅丽贤
  

  1. 浙江理工大学,杭州,310018
  • 基金资助:
    浙江省科技厅重大科技专项(2009C11111)
    Zhejiang Provincial Science and Technology Major Project of Ministry of Science and Technology of China( No. 2009C11111)

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Abstract:

An electronic control hydraulic active limited slip differential(ELSD) and its control system were designed.Dynamics model of the driving process was conducted based on the drive system characteristics of ZL50 loader.A control algorithm of increment-PID was adopted to build imitating system that used in front and rear differential independently. Application for μ-slipt road shows that ELSD will confine tire slipping and improve whole loader driving performance.

Key words: loader, limited slip differential, adhesion coefficient, increment-PID

摘要：

设计了电液式主动限滑差速器及其控制系统,根据ZL50装载机四轮驱动系统的特点推导了驱动过程的动力学模型。以增量式PID为控制算法,建立了前后差速器独立控制的整机仿真系统。在非对称路面上的仿真结果表明: 电液式主动限滑差速器能够有效限制车轮打滑,提高整机的驱动性能。
 

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