Development of quasi-static curve negotiation analysis procedure considering hysteretic behavior of air suspension systems

被引：0

作者：

Takayuki T. ^{[1
]}

Hiroyuki S. ^{[2
]}

机构：

[1] Vehicle Mechanics Laboratory, Railway Dynamics Division

[2] Department of Mechanical Engineering, University of Iowa

来源：

Quarterly Report of RTRI (Railway Technical Research Institute) | 2021年 / 62卷 / 02期

关键词：

Air suspension; Coupled simulation; Curve negotiation; Vehicle dynamics;

D O I：

10.2219/rtriqr.62.2_143

中图分类号：

学科分类号：

摘要：

Whereas air suspension is widely used for railway vehicles as secondary suspension, its hysteretic behavior possibly exerts a non-negligible influence on a vehicle's running characteristics, including unwanted wheel load variations in curves. To enable accurate and quick prediction of vehicle curve negotiation performances considering hysteretic air suspension behavior, this study proposes a new quasi-static curve negotiation analysis procedure using a thermodynamic air suspension system model that expresses in detail nonlinear airflow characteristics. This approach allows the elimination of the limitations of existing full dynamic simulation models associated with high computational intensity and is suited for vehicle running simulations over long-distances. © 2021 Ken-yusha Inc.. All rights reserved.

引用

页码：143 / 148

页数：5

共 7 条

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