|Table of Contents|

Influences of air spring models on dynamics performance of railway vehicle

《交通运输工程学报》[ISSN:1671-1637/CN:61-1369/U]

Issue:
2013年02期
Page:
54-59
Research Field:
载运工具运用工程
Publishing date:

Info

Title:
Influences of air spring models on dynamics performance of railway vehicle
Author(s):
WU Xing-wen;  CHI Mao-ru;  ZHU Min-hao;  ZENG Jing;  YANG Fei
State Key Laboratory of Traction Power, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
Keywords:
railway vehicle;  air spring;  equivalent model;  linear model;  nonlinear model;  ride comfort of vehicle;  vehicle safety
PACS:
U270.11
DOI:
-
Abstract:
The equivalent model, linear model and nonlinear model of air spring were established, and the influences of three models on the ride comfort of straight track and the safety of curve track were studied. Analysis result shows that the accuracy of equivalent model is smaller for the calculation of ride comfort of straight track, but the linear model and the nonlinear model can provide better accuracy. The linear model is simpler than the nonlinear model, therefore, the linear model is suggested to be adapted for the calculation of ride comfort of straight track. Since the nonlinear model of air spring can reflect the dynamic performance of air spring and provide better accuracy compared with the linear model and the equivalent model, therefore, the nonlinear model is recommended to be used in the safety calculation of curve negotiation. 12 figs, 15 refs.

References:

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Last Update: 2013-05-20