All Outputs (5)

Evaluation of Permanent Magnet Motor energy saving technology for different types of railways (2016)
Presentation / Conference Contribution
Douglas, H., Schmid, F., Roberts, C., & Hillmansen, S. (2016, August). Evaluation of Permanent Magnet Motor energy saving technology for different types of railways. Presented at 2016 IEEE International Conference on Intelligent Rail Transportation, ICIRT 2016, Birmingham

the majority of drive chain losses in railway vehicles are attributable to motor inefficiency. An attractive solution to reduce these losses, and the associated energy consumption, is the implementation of Permanent Magnet Synchronous Motor (PMSM) te... Read More about Evaluation of Permanent Magnet Motor energy saving technology for different types of railways.

Investigation into train positioning systems for saving energy with optimised train trajectories (2016)
Presentation / Conference Contribution
Hamid, H. A., Nicholson, G. L., Douglas, H., Zhao, N., & Roberts, C. (2016, August). Investigation into train positioning systems for saving energy with optimised train trajectories. Presented at 2016 IEEE International Conference on Intelligent Rail Transportation, ICIRT 2016, Birmingham

One approach to reduce energy consumption in railway systems is to implement optimised train trajectories. These are speed profiles that reduce energy consumption without foregoing customer comfort or running times. This is achieved by avoiding unnec... Read More about Investigation into train positioning systems for saving energy with optimised train trajectories.

Method to evaluate solutions for complex systems: Rail energy (2016)
Journal Article
Douglas, H., Roberts, C., & Hillmansen, S. (2016). Method to evaluate solutions for complex systems: Rail energy. Transport, 169(5), 283-297. https://doi.org/10.1680/jtran.16.00017

Many solutions have been developed to reduce energy consumption in rail, covering the three main areas of rolling stock, infrastructure and operations. These solutions often show significant energy savings in theory, simulation and practice. However,... Read More about Method to evaluate solutions for complex systems: Rail energy.

Method for validating the train motion equations used for passenger rail vehicle simulation (2016)
Journal Article
Douglas, H., Weston, P., Kirkwood, D., Hillmansen, S., & Roberts, C. (2017). Method for validating the train motion equations used for passenger rail vehicle simulation. Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit, 231(4), 455-469. https://doi.org/10.1177/0954409716631784

Train simulation software is conventionally validated by checking simulation results against equivalent data collected from real train runs. It is typically expected that these results will be within 5-10% accuracy of the recorded data. However, such... Read More about Method for validating the train motion equations used for passenger rail vehicle simulation.

Optimising energy saving in metro systems through characteristic evaluation (2016)
Presentation / Conference Contribution
Douglas, H., Roberts, C., & Hillmansen, S. (2016, May). Optimising energy saving in metro systems through characteristic evaluation. Presented at International Conference on Railway Engineering (ICRE 2016), Brussels

As it expands, the rail industry is concerned not only with maintaining service quality and managing increased demand, but with improving energy efficiency. Whilst it is important that future passenger infrastructures, rolling stock and operations ar... Read More about Optimising energy saving in metro systems through characteristic evaluation.