Analysis on Influencing Factors on Braking Performance of New Generation Wheel Motor Platform

被引：0
|
作者：
Chen J. [1 ,2 ]
Liu S. [1 ]
Zhang M. [3 ]
Wang T. [1 ]
Huo D. [1 ]
Zhang F. [3 ]
机构：
[1] School of Mechanical and Aerospace Engineeringr, Jilin University, Changchun
[2] State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun
[3] Inner Mongolia First Machinery Group Co Ltd, Baotou
来源：
Hunan Daxue Xuebao/Journal of Hunan University Natural Sciences | 2020年 / 47卷 / 10期
基金：
中国国家自然科学基金;
关键词：
Experimental verification; Foot valve; Full hydraulic braking system; Relay valve; Simulation analysis;
D O I：
10.16339/j.cnki.hdxbzkb.2020.10.004
中图分类号：
学科分类号：
摘要：
In order to ensure the safety and rationality of the new generation wheeled mobile platform and to study the influence of the key brake elements in the braking system on the braking performance of the new generation wheeled mobile platform,a theoretical analysis model of the two-loop foot brake valve and the relay valve is established based on the new-generation hydraulic brake system developed by a model 8×8 full-electric drive off-road vehicle. Based on AMESim software,a simulation model of a new generation of full-hydraulic brake system of wheeled mobile platform is established. The influence of cover quantity,stiffness of upper spring and initial compression of reset spring on braking performance is analyzed,and the accuracy of the simulation model is verified by experiments. The analysis results show that the output braking force increases and the response time increases as the stiffness of the upper spring increases and the initial compression of the reset spring decreases; As the cover of the valve core of the foot brake valve decreases,the compression of the upper spring increases during balance and the output braking force increases; The output braking force is sensitive to the cover of the valve core and the stiffness of the upper spring,and the response time is sensitive to the stiffness of the upper spring. The theoretical model and the simulation model provide reliable basis for the performance adjustment and further optimization of the new generation wheeled mobile platform. © 2020, Editorial Department of Journal of Hunan University. All right reserved.
引用
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页码：26 / 34
页数：8
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