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Braking distance prediction for vehicle consist in low-speed on-sight operation: a Monte Carlo approach

  • The first and last mile of a railway journey, in both freight and transit applications, constitutes a high effort and is either non-productive (e.g. in the case of depot operations) or highly inefficient (e.g. in industrial railways). These parts are typically managed on-sight, i.e. with no signalling and train protection systems ensuring the freedom of movement. This is possible due to the rather short braking distances of individual vehicles and shunting consists. The present article analyses the braking behaviour of such shunting units. For this purpose, a dedicated model is developed. It is calibrated on published results of brake tests and validated against a high-definition model for low-speed applications. Based on this model, multiple simulations are executed to obtain a Monte Carlo simulation of the resulting braking distances. Based on the distribution properties and established safety levels, the risk of exceeding certain braking distances is evaluated and maximum braking distances are derived. Together with certain parameters of the system, these can serve in the design and safety assessment of driver assistance systems and automation of these processes.

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Metadaten
Author:Raphael PfaffORCiD
DOI:https://doi.org/10.1007/s40534-023-00303-7
ISSN:2662-4753 (eISSN)
ISSN:2662-4745 (Print)
Parent Title (English):Railway Engineering Science
Publisher:SpringerOpen
Document Type:Article
Language:English
Year of Completion:2023
Tag:Brake set-up; Braking curves; Driver assistance system; Freight rail; Shunting
Volume:31
Issue:2
First Page:135
Last Page:144
Link:https://doi.org/10.1007/s40534-023-00303-7
Zugriffsart:weltweit
Institutes:FH Aachen / ECSM European Center for Sustainable Mobility
FH Aachen / Fachbereich Maschinenbau und Mechatronik
open_access (DINI-Set):open_access
collections:Verlag / SpringerOpen
Open Access / Diamond
Licence (German): Creative Commons - Namensnennung