Freight train air brake models
This paper is an outcome of an international collaborative research initiative. Researchers
from 24 institutions across 12 countries were invited to discuss the state-of-the-art in railway …
from 24 institutions across 12 countries were invited to discuss the state-of-the-art in railway …
Verified train controllers for the federal railroad administration train kinematics model: Balancing competing brake and track forces
Automated train control improves railroad operation by safeguarding the motion of trains
while increasing efficiency by enabling motion within a safe envelope. Train controllers …
while increasing efficiency by enabling motion within a safe envelope. Train controllers …
Embedding differential dynamic logic in PVS
JT Slagel, M Moscato, L White, CA Muñoz… - arXiv preprint arXiv …, 2024 - arxiv.org
Differential dynamic logic (dL) is a formal framework for specifying and reasoning about
hybrid systems, ie, dynamical systems that exhibit both continuous and discrete behaviors …
hybrid systems, ie, dynamical systems that exhibit both continuous and discrete behaviors …
A fast simulation approach to assess draft gear loads for heavy haul trains during braking
Train traction and brake dynamics simulations can be used to improve the safety and
efficiency of heavy haul transportation. Virtual models can be used to analyze many …
efficiency of heavy haul transportation. Virtual models can be used to analyze many …
Time Series Multi-Step Forecasting Based on Memory Network for the Prognostics and Health Management in Freight Train Braking System
Z Liu, C Wang, X Yang, N Zhang, F Liu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
In rail trains, the prognostics and health management system will make use of data from
sensors deployed in key components. These data are typically non-stationary multi-variable …
sensors deployed in key components. These data are typically non-stationary multi-variable …
A retrospective on developing hybrid system provers in the keymaera family: a tale of three provers
This chapter provides a retrospective on the developments of three theorem provers for
hybrid systems. While all three theorem provers implement closely related logics of the …
hybrid systems. While all three theorem provers implement closely related logics of the …
A temporal differential dynamic logic formal embedding
L White, L Titolo, JT Slagel, C Muñoz - Proceedings of the 13th ACM …, 2024 - dl.acm.org
Differential temporal dynamic logic dTL2 is a logic to specify and verify temporal properties
of hybrid systems. It extends differential dynamic logic (dL) with temporal operators that …
of hybrid systems. It extends differential dynamic logic (dL) with temporal operators that …
[HTML][HTML] A hierarchical verification approach to verify complex safety control systems based on STAMP
X Han, T Tang, J Lv - Science of Computer Programming, 2019 - Elsevier
Complexity is a major obstacle to apply formal verification techniques in industry. Assume-
guarantee (AG) reasoning is a promising compositional verification approach to deal with …
guarantee (AG) reasoning is a promising compositional verification approach to deal with …
Parallel simulation of railway pneumatic brake using openMP
The continuous growth of ore train lengths demands more efficient schedules, improved
transit estimations and accident prevention schemes. Braking is a key component in …
transit estimations and accident prevention schemes. Braking is a key component in …
Towards a Methodology to Design Provably Secure Cyber-physical Systems
F Lisboa Malaquias, G Giantamidis… - ACM SIGAda Ada …, 2023 - dl.acm.org
The inordinate financial cost of mitigating post-production cybersecurity vulnerabilities in
cyber-physical systems (CPS) is forcing the industry to rethink systems design cycles …
cyber-physical systems (CPS) is forcing the industry to rethink systems design cycles …