[1]吴朝燕,罗天洪,杨 春.冲角对换轨机器人准静态脱轨判别研究[J].机车电传动,2020,(03):89-93.[doi:10.13890/j.issn.1000-128x.2020.03.019]
 WU Chaoyan,LUO Tianhong,YANG Chun.Research of Attack Angle on Quasi-static Derailment Criterionof the Rail Changing Robot[J].Electric Drive for Locomotives,2020,(03):89-93.[doi:10.13890/j.issn.1000-128x.2020.03.019]
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冲角对换轨机器人准静态脱轨判别研究()
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机车电传动[ISSN:1000-128X/CN:43-1125/U]

卷:
期数:
2020年03期
页码:
89-93
栏目:
研究开发
出版日期:
2020-05-10

文章信息/Info

Title:
Research of Attack Angle on Quasi-static Derailment Criterionof the Rail Changing Robot
文章编号:
1000-128X(2020)03-0089-05
作者:
吴朝燕 1罗天洪 2杨 春 1
(1. 重庆交通大学 机电与车辆工程学院,重庆 400074;2. 重庆文理学院 机电工程学院,重庆 402160)
Author(s):
WU Chaoyan1 LUO Tianhong2 YANG Chun
( 1. School of Mechatronics & Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China;2. School of Mechanical Electrical Engineering, Chongqing University of Arts and Sciences, Chongqing 402160, China )
关键词:
脱轨准则冲角换轨机器人准静态脱轨系数
Keywords:
derailment criterion attack angle rail changing robot quasi-static derailment coefficient
分类号:
U216;U273
DOI:
10.13890/j.issn.1000-128x.2020.03.019
文献标志码:
A
摘要:
针对换轨机器人脱轨系数具有保守性,轮重减载率作为辅助判别指标却没有统一标准的问题,提出以冲角判别换轨机器人脱轨的判别方法。结合脱轨系数与轮重减载率的定义,引入列车准静态脱轨判别准则,建立轮对力矩准静态模型,构建换轨机器人多参数耦合的脱轨判别式,探究不同摩擦因数、不同轮缘角下冲角与脱轨系数的函数关系以及冲角与脱轨判别式的映射关系式。研究结果验证了理论的正确性,增大轮缘角、降低轮轨间摩擦因数有利于降低脱轨危险性,合理解释了脱轨系数达到脱轨标准时,换轨机器人没有发生脱轨的现象,为换轨机器人准静态脱轨的
Abstract:
To solve the problem that the derailment coefficient of the rail changing robot was conservative, and the reduction rateof wheel load was used as an auxiliary criterion without unified criterion, a method of identifying the derailment of the rail changingrobot by impact angle was proposed. Combined with the definition of derailment coefficient and wheel load reduction rate, the quasi static derailment criterion of train was introduced, the quasi-static model of wheelset moment was established, the multi parametercoupling derailment discriminant of the rail changing robot was constructed, the functional relationship between different frictioncoefficient, different undercut angle and derailment coefficient, and the mapping relationship between undercut angle and derailmentdiscriminant were explored. The research results verified the correctness of the theory that increasing the wheel flange angle andreducing the friction coefficient between wheel and rail were conducive to reduce the risk of derailment, and reasonably explainedthat when the derailment coefficient reached the derailment standard, the derailment robot did not occur, which provided a theoreticalfoundation for the further study of quasi-static derailment of the rail changing robot.

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备注/Memo

备注/Memo:
作者简介:吴朝燕(1992—),女,硕士研究生,研究方向为轨道机器人。
更新日期/Last Update: 2020-05-10