|Table of Contents|

Handling stability and parameter optimization of centre axle trailer train(PDF)

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2018年02期
Page:
72-81
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Handling stability and parameter optimization of centre axle trailer train
Author(s):
ZHANG Jing-ming1;  REN Ze-kai1; 2;  ZHANG Hao2; 3;  ZHANG Hong-wei2; 3
1. School of Automotive Engineering, Harbin Institute of Technology(Weihai), Weihai 264209, Shandong, China; 2. Research Institute of Highway of Ministry of Transport, Beijing 100088, China; 3. Key Laboratory of Operation Safety Technology on Transport Vehicles of Ministry of Transport, Research Institute of Highway of Ministry of Transport, Beijing 100088, China
Keywords:
automotive engineering;  centre axle trailer train;  handling stability;  parameter optimization;  simulation analysis;  uniform test
PACS:
U469.5
DOI:
-
Abstract:
To improve the handling stability of centre axle trailer train, the relationships among yaw motion, roll motion, longitudinal and lateral motion were analyzed. The 4-degree of freedom(DOF)dynamics simulation model was established by using MATLAB/Simulink based on the theory of vehicle dynamics. The multi-DOF complex nonlinearity simulation model of the train was established by using TruckSim. The handling stability testing system of the train was constructed through VBOX data acquisition system and RT gyroscope. According to the related standard, single lane change tests were carried out in real vehicle test condition and simulation test condition, and the comparative analysis between test result and simulation result was carried out. Comprehensive evaluation score model of the train was proposed based on the rearward amplification(RA)of yaw rate, articulation rate, rearward amplification of lateral acceleration, load transfer ratio(LTR). Through virtual prototyping technology, the related parameters that have significant impacts on the handling stability of the train were optimized based on the theory of uniform test and multiple linear regression analysis. Optimization result shows that the related parameters of tractor and centre axle trailer improve in varying degrees after the optimization. The maximum yaw rates of tractor and centre axle trailer decrease from 0.107 2 and 0.140 8 rad·s-1 to 0.092 5 and 0.103 7 rad·s-1, respectively, and the rearward amplification of yaw rate of centre axle trailer train reduces by 15.15%. The maximum lateral accelerations of tractor and centre axle trailer decrease from 0.21g and 0.27g to 0.19g and 0.20g, respectively, and the rearward amplification of lateral acceleration of centre axle trailer train reduces by 12.10%. The maximum articulation rate and maximum load transfer ratio of centre axle trailer train reduce by 23.01% and 29.41%,respectively. The comprehensive evaluation score of centre axle trailer train increases from 86.66 to 109.02, so the comprehensive performance improves. 6 tabs, 19 figs, 26 refs.

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Last Update: 2018-05-20