Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation
With MATLAB software simulating the flat-type local irregularity as the external excitation of locomotive model, on the basis of the locomotive wheel-rail interaction dynamics indexed by the locomotive dynamics theory, influences of flat-type local irregularity on the locomotive wheel-rail dynamic w...
Saved in:
| Main Authors: | , , , , |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Electric Drive for Locomotives
2014-01-01
|
| Series: | 机车电传动 |
| Subjects: | |
| Online Access: | http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128x.2014.05.007 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850142608151543808 |
|---|---|
| author | CHEN Dilai LIU Jianxin DU Kaijun LI Guopeng WANG Yan |
| author_facet | CHEN Dilai LIU Jianxin DU Kaijun LI Guopeng WANG Yan |
| author_sort | CHEN Dilai |
| collection | DOAJ |
| description | With MATLAB software simulating the flat-type local irregularity as the external excitation of locomotive model, on the basis of the locomotive wheel-rail interaction dynamics indexed by the locomotive dynamics theory, influences of flat-type local irregularity on the locomotive wheel-rail dynamic were analyzed by using the SIMPACK multi-body dynamics simulation software. The effects of the flat-type local irregularity amplitude A, the coefficient K which’s associating with irregularity wavelength and the flat top length L on the wheel-rail dynamic performance were discussed specifically. Some important indicators, such as wheel-rail vertical force and wheel load reduction rate were given at the speed of 80km/h to 160km/h, and the risk speeds were determined. The simulation results showed that the increase of the flat-type irregularity A and the irregularity wave length coefficient K had different extents influences to the maximum of the locomotive wheelrail vertical force and the wheel load reduction rate ; but the flat top length L almost had no effect on the maximum of them. |
| format | Article |
| id | doaj-art-8a97a28dcc8e49448e70069c6183df0c |
| institution | OA Journals |
| issn | 1000-128X |
| language | zho |
| publishDate | 2014-01-01 |
| publisher | Editorial Department of Electric Drive for Locomotives |
| record_format | Article |
| series | 机车电传动 |
| spelling | doaj-art-8a97a28dcc8e49448e70069c6183df0c2025-08-20T02:29:02ZzhoEditorial Department of Electric Drive for Locomotives机车电传动1000-128X2014-01-01232620909203Wheel-rail Dynamic Analysis under Flat-type Local Irregularity ExcitationCHEN DilaiLIU JianxinDU KaijunLI GuopengWANG YanWith MATLAB software simulating the flat-type local irregularity as the external excitation of locomotive model, on the basis of the locomotive wheel-rail interaction dynamics indexed by the locomotive dynamics theory, influences of flat-type local irregularity on the locomotive wheel-rail dynamic were analyzed by using the SIMPACK multi-body dynamics simulation software. The effects of the flat-type local irregularity amplitude A, the coefficient K which’s associating with irregularity wavelength and the flat top length L on the wheel-rail dynamic performance were discussed specifically. Some important indicators, such as wheel-rail vertical force and wheel load reduction rate were given at the speed of 80km/h to 160km/h, and the risk speeds were determined. The simulation results showed that the increase of the flat-type irregularity A and the irregularity wave length coefficient K had different extents influences to the maximum of the locomotive wheelrail vertical force and the wheel load reduction rate ; but the flat top length L almost had no effect on the maximum of them.http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128x.2014.05.007flat-type local irregularityshort span bridgewheel-rail interactionwheel-rail vertical forcewheel load reduction ratelocomotive vibration |
| spellingShingle | CHEN Dilai LIU Jianxin DU Kaijun LI Guopeng WANG Yan Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation 机车电传动 flat-type local irregularity short span bridge wheel-rail interaction wheel-rail vertical force wheel load reduction rate locomotive vibration |
| title | Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation |
| title_full | Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation |
| title_fullStr | Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation |
| title_full_unstemmed | Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation |
| title_short | Wheel-rail Dynamic Analysis under Flat-type Local Irregularity Excitation |
| title_sort | wheel rail dynamic analysis under flat type local irregularity excitation |
| topic | flat-type local irregularity short span bridge wheel-rail interaction wheel-rail vertical force wheel load reduction rate locomotive vibration |
| url | http://edl.csrzic.com/thesisDetails#10.13890/j.issn.1000-128x.2014.05.007 |
| work_keys_str_mv | AT chendilai wheelraildynamicanalysisunderflattypelocalirregularityexcitation AT liujianxin wheelraildynamicanalysisunderflattypelocalirregularityexcitation AT dukaijun wheelraildynamicanalysisunderflattypelocalirregularityexcitation AT liguopeng wheelraildynamicanalysisunderflattypelocalirregularityexcitation AT wangyan wheelraildynamicanalysisunderflattypelocalirregularityexcitation |