A multiphase optimal control method for multi-train control and scheduling on railway lines

H Ye, R Liu - Transportation Research Part B: Methodological, 2016 - Elsevier
We consider a combined train control and scheduling problem involving multiple trains in a
railway line with a predetermined departure/arrival sequence of the trains at stations and …

Energy-efficient train control: The two-train separation problem on level track

AR Albrecht, PG Howlett, PJ Pudney, X Vu… - Journal of Rail Transport …, 2015 - Elsevier
When two trains travel in the same direction along the same track it is a common safety
requirement that they must be separated by at least one signal. If the signals are located at …

Energy Efficiency Improvement on Railway Lines: An Overview

A Aroso, MR Bugarín - Energy Science & Engineering, 2024 - Wiley Online Library
Greater efficiency in the consumption of energy in the transport sector would mean lower
emissions of CO2 and other gases and particles, which contribute to climate change. One of …

The two-train separation problem on non-level track—driving strategies that minimize total required tractive energy subject to prescribed section clearance times

A Albrecht, P Howlett, P Pudney, X Vu… - … research part B …, 2018 - Elsevier
When two trains travel along the same track in the same direction it is a common safety
requirement with three-aspect signalling that the trains must be separated by at least two …

Speed profile optimization of catenary-free electric trains with lithium-ion batteries

N Ghaviha, M Bohlin, C Holmberg… - Journal of Modern …, 2019 - Springer
Catenary-free operated electric trains, as one of the recent technologies in railway
transportation, has opened a new field of research: speed profile optimization and energy …

Optimal driving strategies for a fleet of trains on level track with prescribed intermediate signal times and safe separation

P Howlett, P Pudney, A Albrecht - Transportation science, 2023 - pubsonline.informs.org
We propose an analytic solution to the problem of finding optimal driving strategies that
minimize total tractive energy consumption for a fleet of trains traveling on the same track in …

Optimal driving strategies for two successive trains on level track with safe separation

A Albrecht, P Howlett, P Pudney - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
When two trains travel along the same track in the same direction it is a common safety
requirement that they should always be separated by at least two signals. If the signals are …

The cost differential for an optimal train journey on level track

P Howlett, P Pudney - Journal of Rail Transport Planning & Management, 2023 - Elsevier
The classic optimal train control problem is to drive a train on a track with known gradient
over a fixed distance and within a specified time in such a way as to minimize tractive energy …

[PDF][PDF] Optimal driving strategies for a fleet of trains subject to total energy consumption constraints on predetermined time intervals

P Howlett, M Kapsis, P Pudney - Authorea Preprints, 2025 - researchgate.net
In order to manage electricity transmission and distribution it is now common practice for
system operators to offer financial incentives that encourage large consumers to reduce …

The two-train separation problem on level track with discrete control

P Howlett - The ANZIAM Journal, 2018 - cambridge.org
When two trains travel along the same track in the same direction, it is a common safety
requirement that the trains must be separated by at least two signals. This means that there …