东南大学学报（英文版）2019，Vol.35Issue(2)：191-197,7.DOI:10.3969/j.issn.1003-7985.2019.02.008
基于变形土壤地面对重型卡车平顺性的影响
Effect of the off-road terrains on the ride comfort of construction vehicles
摘要
Abstract
In order to evaluate the impact of off-road terrains on the ride comfort of construction vehicles,a nonlinear dynamic model of the construction vehicles interacting with the terrain deformations is established based on Matlab/Simulink software.The weighted root mean square (RMS) acceleration responses and the power spectral density (PSD) acceleration responses of the driver's seat heave,the pitch and roll angle of the cab in the low-frequency region are chosen as objective functions under different operation conditions of the vehicle.The results show that the impact of off-road terrains on the driver's ride comfort and health is clear under various conditions of deformable terrains and range of vehicle velocities.In particular,the driver's ride comfort is greatly affected by a soil terrain while the comfortable shake of the driver is strongly affected by a sand terrain.In addition,when the vehicle travels on a poor soil terrain in the frequency range below 4 Hz,more resonance peaks of acceleration PSD responses occurred than that on a rigid road of ISO 2631-1 level C.Thus,the driver's health is significantly affected by the deformable terrain in a low-frequency range.关键词
重型卡车/动力学模型/变形土壤地面/平顺性Key words
construction vehicles/vehicle dynamic model/off-road terrains/ride comfort分类
交通工程引用本文复制引用
阮文廉,张建闰,焦仁强,杜晓飞..基于变形土壤地面对重型卡车平顺性的影响[J].东南大学学报（英文版）,2019,35(2):191-197,7.基金项目
The Science and Technology Support Program of Jiangsu Province (No.BE2014133),the Prospective Joint Research Program of Jiangsu Province (No.BY2014127-01). （No.BE2014133）
