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一种100%低地板虚拟轨道列车走行系统研究
Research on running system of a 100% low floor virtual rail train
- 机车电传动 2022年第4期 页码：26-32
- 作者机构：
1.中车长春轨道客车股份有限公司，吉林 长春 130062
2.同济大学 铁道与城市轨道交通研究院，上海;201804
- 作者简介：
李 稳（1985—），男，高级工程师，博士研究生，主要从事轨道车辆走行系统方面的研究； E-mail: liwen2.ck@crrcgc.cc
- 基金信息：
DOI：10.13890/j.issn.1000-128X.2022.04.004
中图分类号： U121纸质出版日期：2022-07-10，
收稿日期：2022-02-18，
修回日期：2022-05-12，
- 稿件说明：
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李稳, 陆海英, 任利惠, 等. 一种100%低地板虚拟轨道列车走行系统研究[J]. 机车电传动, 2022,(4):26-32.
LI Wen, LU Haiying, REN Lihui, et al. Research on running system of a 100% low floor virtual rail train[J]. Electric drive for locomotives, 2022,(4):26-32.
李稳, 陆海英, 任利惠, 等. 一种100%低地板虚拟轨道列车走行系统研究[J]. 机车电传动, 2022,(4):26-32. DOI： 10.13890/j.issn.1000-128X.2022.04.004.
LI Wen, LU Haiying, REN Lihui, et al. Research on running system of a 100% low floor virtual rail train[J]. Electric drive for locomotives, 2022,(4):26-32. DOI： 10.13890/j.issn.1000-128X.2022.04.004.
摘要
虚拟轨道列车是一种轨道车辆与公共汽车相结合的产物，可利用光电原理或电磁原理识别公路路面上设置的虚拟轨道并沿其行驶。为使虚拟轨道列车具有100%低地板率和满足实际运用需求的动力，设计了一种轮毂电机驱动、独立悬架结构形式的走行系统。针对这种全新设计的走行系统结构，采用动态包络计算方法对走行系统结构布局的合理性进行校核；采用有限元分析软件ANSYS建立悬架有限元模型，对主销、转向节、上下横臂及安装销等主要受力零部件静强度和疲劳强度进行分析；采用UM软件建立虚拟轨道列车动力学计算模型，对配置该走行系统的虚拟轨道列车平稳性和舒适性进行仿真分析。计算和分析结果表明：在运动状态下走行系统各零部件之间无干涉，结构空间利用合理；在各种静载荷工况下悬架主要受力零部件所承受的最大Von_Mises应力均小于对应材料屈服强度，在疲劳载荷工况下，悬架各主要受力零部件材料利用率均小于1，即悬架静强度和疲劳强度满足标准要求；列车平稳性、舒适性指标随速度的升高而升高，但在列车最高试验速度（80 km/h）范围内，平稳性指标小于2.5，属于优级，舒适性指标小于2.5，属于舒适级。因此，该虚拟轨道列车走行系统结构设计合理，参数设置满足动力学性能要求。
Abstract
Virtual rail train is a product of the integration of railway vehicles and buses. It uses the principle of photoelectricity or electromagnetism to identify the virtual track set on the road surface and drive along it. In order to make virtual rail train with 100% low-floor rate and meet actual operation requirements power
a running system of wheel hub motor drive and independent suspension structure was designed. In view of this newly designed running system structure
the dynamic envelope calculation method was used to check the rationality of the running system structure layout. The finite element model of suspension system was established by using the finite element analysis software ANSYS to analyze the static strength and fatigue strength of the main load-bearing parts such as kingpin
steering knuckle
upper and lower cross arms and their mounting pins. The dynamic calculation model of virtual track train was established by UM software
and the stability and comfort of virtual track train equipped with this running system were simulated and analyzed. The calculation and analysis results show that there is no interference between the parts of the running system and the utilization of structural space is reasonable; The maximum Von-Mises stress of the main load-bearing parts is less than the yield strength of the corresponding material under various static load conditions
and under the fatigue load condition
the material utilization rate of the main load-bearing parts is less than 1
that is
the static strength and fatigue strength of the suspension system meet the standard requirements; The stability and comfort indexes of the train increase with the increase of speed
but within the range of the maximum test speed (80 km/h)
the stability indexes are less than 2.5
belonging to the excellent level
and the comfort index is less than 2.5
belonging to the comfort level. Therefore
the structure design of the virtual track train running system is reasonable
and the parameter setting meets the requirements of dynamic performance..
关键词
虚拟轨道列车走行系统结构设计动态包络强度舒适性仿真
Keywords
virtual rail trainrunning systemstructural designdynamic envelopestrengthcomfortsimulation
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