Study on Anti-slip Control for Heavy-haul Locomotives under Complex Wheel/rail Friction Conditions

被引：2
|
作者：
Chen Q. [1 ]
Yang Y. [1 ]
Ling L. [1 ]
Zhang T. [1 ,2 ]
Wang K. [1 ]
机构：
[1] State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu
[2] National Innovation Center of High Speed Train, Qingdao
来源：
Jixie Gongcheng Xuebao/Journal of Mechanical Engineering | 2023年 / 59卷 / 10期
关键词：
complex wheel/rail friction conditions; heavy-haul locomotive; optimal threshold PID anti-slip control; vehicle/track coupled dynamics; wheel/rail adhesion;
D O I：
10.3901/JME.2023.10.179
中图分类号：
学科分类号：
摘要：
Wheel/rail adhesion is critical for the traction and braking operations of heavy-haul trains, especially under the low-adhesion contact conditions. To solve the problems of adhesion utilization affected by complex conditions of wheel/rail friction and traction load during heavy-haul trains operation, the heavy-haul train-track dynamics model was established, including heavy-haul train submodel, track submodel, the wheel/rail dynamic interaction model and anti-slip control model based on the optimal wheel/rail adhesion utilization. Based on this model, the wheel-rail rolling contact characteristics under complex wheel-rail friction conditions were analyzed, and the effects of different anti-slip control models on wheel-rail adhesion utilization were systematically compared and analyzed. The simulation results show that the friction conditions of wheel/rail have a significant influence on the dynamic interaction of wheel and rail under traction condition. Compared with the anti-slip control with constant creep rate threshold, the variable threshold control strategy can improve the longitudinal creep force and adhesion utilization ratio of the wheel and rail. © 2023 Editorial Office of Chinese Journal of Mechanical Engineering. All rights reserved.
引用
收藏
页码：179 / 186
页数：7
相关论文
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