Test and Simulation of All-Wheel Steering System for Stabilized Soil Mixer

doi:10.3969/j.issn.1674-0696.2011.06.36

Journal of Chongqing Jiaotong University(Natural Science) ›› 2011, Vol. 30 ›› Issue (6): 1412-1414.DOI: 10.3969/j.issn.1674-0696.2011.06.36

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Test and Simulation of All-Wheel Steering System for Stabilized Soil Mixer

MA Li-ying¹，GUI Shao-xiong²，CAO Yuan-wen¹

1. School of Mechatronics ＆ Automotive Engineering，Chongqing Jiaotong University，Chongqing 400074，China; 2. School of Application Technology，Chongqing Jiaotong University，Chongqing 400074，China

Received:2011-03-21 Revised:2011-07-15 Online:2011-12-15 Published:2015-01-22

稳定土拌和机全轮转向系统试验及仿真研究

马丽英¹，归少雄²，曹源文¹

1. 重庆交通大学机电与汽车工程学院，重庆400074; 2. 重庆交通大学应用技术学院，重庆400074

作者简介:马丽英(1973—)，女，河北卢龙人，副教授，博士研究生，主要从事道路工程施工技术及施工机械性能及理论、液压传动及控制方面的教学与研究工作。E-mail:maliying801@yahoo.com.cn。
基金资助:
交通运输部西部交通建设科技项目(200631879846)

Abstract

Abstract: Based on the analysis of the all-wheel steering test platform for stabilized soil mixer，a series of tests for each steering working condition are carried out． The transfer function of the system is determined，and Bode diagram is also drawn out． Meanwhile，the system is simulated dynamically by use of MATLAB/SIMULINK software． The research results show that the amplitude margins and phase margins of the steering system are respectively 13.4dB and 48.9°，which meets the stability reserve requirements of the steering system for stabilized soil mixer; the fast response speed and the stability of experimental system also meet the requirement; what's more，all-wheel steering decreases about 20% turning radius than 2 wheel steering does．

Key words: all-wheel steering, experimental research, simulation analysis

摘要： 在分析稳定土拌和机全轮转向试验平台工作原理的基础上，对四轮转向各个工况进行试验，绘制出系统的伯德图，确定了系统的传递函数; 利用MATLAB/SIMULINK 软件对转向系统进行动态仿真。结果表明: 系统具有的幅值裕度为13.4 dB，相位裕度为48.9°，显示该稳定土拌和机转向试验系统具有一定的储备; 试验系统的响应速度较快，系统的稳定性符合要求; 四轮转向比传统的二轮转向转弯半径减小约20%左右。

关键词: 全轮转向, 试验研究, 仿真分析

CLC Number:

U416.21

MA Li-ying，GUI Shao-xiong，CAO Yuan-wen. Test and Simulation of All-Wheel Steering System for Stabilized Soil Mixer[J]. Journal of Chongqing Jiaotong University(Natural Science), 2011, 30(6): 1412-1414.

马丽英，归少雄，曹源文. 稳定土拌和机全轮转向系统试验及仿真研究[J]. 重庆交通大学学报（自然科学版）, 2011, 30(6): 1412-1414.

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Test and Simulation of All-Wheel Steering System for Stabilized Soil Mixer

稳定土拌和机全轮转向系统试验及仿真研究

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