High-speed train pneumatic braking system with wheel-slide protection device : A modelling application from system design to HIL testing

Lionel Belmon
Lanchoumingzuo Plaza, Chaoyangmenwai Avenue, Beijing, China

Chen Liu
Lanchoumingzuo Plaza, Chaoyangmenwai Avenue, Beijing, China

Ladda ner artikelhttp://dx.doi.org/10.3384/ecp11063549

Ingår i: Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Linköping Electronic Conference Proceedings 63:62, s. 549-556

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Publicerad: 2011-06-30

ISBN: 978-91-7393-096-3

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


Train pneumatic brakes are part of a train safety system; and are thus critical components. This paper illustrates how modeling can be applied to efficiently design such system; from requirement definition to HIL testing. The valves modeling is discussed along with the system level model. Moreover; in order to study the wheel-slide protection device; a model of the wheel-rail interface has been developed.

The contact model; written in Modelica; has been validated against measurement for different conditions of contact (dry; wet…). The model is fully parametric and allows testing of various adherences.

Finally; the resulting system composed of pneumatic valves; wheel-rail interface and rolling-stock is exported through c-code for integration into a HIL system; providing an efficient test platform for the electronic Brake Control Unit.


High speed train; braking ; adherence; pneumatic


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