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On-line Access: 2023-08-18

Received: 2022-09-04

Revision Accepted: 2023-03-28

Crosschecked: 2023-08-18

Cited: 0

Clicked: 509

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Guosong WU

https://orcid.org/0000-0002-9565-655X

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Journal of Zhejiang University SCIENCE A 2023 Vol.24 No.8 P.722-734

http://doi.org/10.1631/jzus.A2300158


Determination of the dynamic characteristics of locomotive drive systems under re-adhesion conditions using wheel slip controller


Author(s):  Guosong WU, Longjiang SHEN, Yuan YAO, Wensheng SONG, Jingchun HUANG

Affiliation(s):  State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, China; more

Corresponding email(s):   yyuan8848@163.com

Key Words:  Heavy-haul locomotive, Re-adhesion performance, Drive system, Wheel slip control, Co-simulation model


Guosong WU, Longjiang SHEN, Yuan YAO, Wensheng SONG, Jingchun HUANG. Determination of the dynamic characteristics of locomotive drive systems under re-adhesion conditions using wheel slip controller[J]. Journal of Zhejiang University Science A, 2023, 24(8): 722-734.

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%T Determination of the dynamic characteristics of locomotive drive systems under re-adhesion conditions using wheel slip controller
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%A Yuan YAO
%A Wensheng SONG
%A Jingchun HUANG
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A1 - Guosong WU
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A1 - Jingchun HUANG
J0 - Journal of Zhejiang University Science A
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DOI - 10.1631/jzus.A2300158


Abstract: 
To investigate the re-adhesion and dynamic characteristics of the locomotive drive system with wheel slip controller, a co-simulation model of the train system was established by SIMPACK and MATLAB/SIMULINK. The uniform running and starting conditions were considered, and the influence of structural stiffness of the drive system and the wheel slip controller on the re-adhesion and acceleration performance of the locomotive was investigated. The simulation results demonstrated that the stick-slip vibration is more likely to occur in locomotives with smaller structural stiffnesses during adhesion reduction and recovery processes. There are many frequency components in the vibration acceleration spectrum of the drive system, because the longitudinal and rotational vibrations of the wheelset are coupled by the wheel‒rail tangential force when stick-slip vibration occurs. In general, increasing the structural stiffness of the drive system and reducing the input energy in time are effective measures to suppress stick-slip vibration. It should also be noted that inappropriate matching of the wheel slip controller and drive system parameters may lead to electro-mechanical coupling vibration of the drive system, resulting in traction force fluctuation and poor acceleration performance.

黏着控制对机车再黏着性能及驱动系统动态特性影响

作者:吴国颂1,沈龙江2,3,姚远1,宋文胜4,黄景春4
机构:1西南交通大学,牵引动力重点实验室,中国成都,610031;2株洲电力机车有限公司,转向架研发部,中国株洲,412001;3株洲电力机车有限公司,大功率交流传动电力机车系统集成国家重点实验室,中国株洲,412001;4西南交通大学,电气工程学院,中国成都,610031
目的:大功率重载机车采用轮对空心轴架悬驱动系统降低轮轨动作用力,但采用六连杆空心轴联轴器导致驱动系统的扭转刚度相对较小,对轮对驱动系统黏滑振动不利。本文旨在研究黏着条件改变时,黏着控制对驱动系统动态特性以及机车再黏着性能的影响,从黏着控制与驱动系统参数合理匹配的角度提出提高机车黏着利用的措施。
创新点:1.通过建立机车牵引与黏着控制联合仿真模型,研究黏着控制对机车再黏着性能以及驱动系统黏滑振动影响;2.研究黏着控制器参数与机车驱动系统参数匹配不合理时导致的机电耦合振动。
方法:采用联合仿真方法,建立SIMPACK-MATLAB/SIMULINK联合仿真模型。在SIMPACK中建立包含完整驱动系统、齿轮传动系统、钩缓装置和轮轨蠕滑负斜率特性的机车牵引列车模型,在MATLAB/SIMULINK中建立黏着控制模型,通过动力学仿真研究黏着控制对驱动系统动态特性以及机车再黏着性能的影响。
结论:1.驱动系统发生黏滑振动时,轮对纵向振动与扭转振动通过切向力耦合;2.减小平均滑动率(再黏着控制)和动态滑动率(增加驱动系统刚度)是抑制驱动系统黏滑振动的有效措施;3.机车驱动系统与黏着控制需合理匹配,否则会导致驱动系统机电耦合振动。

关键词:重载机车;再黏着性能;驱动系统;机车防滑控制;联合仿真模型

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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