Real-time wheel–rail friction coefficient estimation and its application

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Real-time wheel–rail friction coefficient estimation and its application

Zhao, Yunshi / Shen, Longjiang / Jiang, Zhongcheng / Zhang, Bo / Liu, Guoyun / Shu, Yao / Peng, Bo

The friction coefficient at the wheel–rail interface is crucial for the traction, braking and guidance of the railway vehicle. Real-time knowledge of the friction coefficient could reduce wheel–rail damages as well as improve the vehicle running performance. The friction coefficient is very difficult to be directly measured; hence an indirect measurement method using an unscented Kalman filter was proposed in this paper. A re-adhesion controller was also developed. The method was assessed in a Simpack-Simulink co-simulation environment. The friction coefficient estimation method was found to be accurate, and the re-adhesion controller improved the vehicle braking performance as well as reduced the wheel–rail damage.

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Dokumentinformationen

Titel :

Real-time wheel–rail friction coefficient estimation and its application

Beteiligte:

Zhao, Yunshi (Autor:in) / Shen, Longjiang (Autor:in) / Jiang, Zhongcheng (Autor:in) / Zhang, Bo (Autor:in) / Liu, Guoyun (Autor:in) / Shu, Yao (Autor:in) / Peng, Bo (Autor:in)

Erschienen in:

Vehicle System Dynamics ; 61 , 10 ; 2598-2612

Erscheinungsdatum :

2023-10-03

Format / Umfang :

15 pages

ISSN :

0042-3114 , 1744-5159

DOI :

https://doi.org/10.1080/00423114.2022.2159846

Medientyp :

Aufsatz (Zeitschrift)