In this paper, we give an overview of the Locomotive Simulater/Optimizer (LSO) decision support system developed by us for railroads. This software is designed to imitate locomotive movement across a rail network, and it simulates all four major components of the system; trains, locomotives, terminals, and shops in an integrated framework. It includes about 20 charts that allow evaluating system performance using standard measures. LSO can be used by locomotive management to per- form "what-if" analysis and evaluate system performance for different input data; it provides a safe environment for experimentation. We have tested the software on real data and output showed that the software closely imitates day-to-day operations. We have also performed differ- ent scenario analysis, and reports illustrate that the software correctly reflects input data changes.
@InProceedings{nahapetyan_et_al:OASIcs.ATMOS.2007.1182, author = {Nahapetyan, Artyom and Ahuja, Ravindra K. and Sargut, F. Zeynep and John, Andy and Somani, Kamalesh}, title = {{17. A Simulation/Optimization Framework for Locomotive Planning}}, booktitle = {7th Workshop on Algorithmic Approaches for Transportation Modeling, Optimization, and Systems (ATMOS'07)}, pages = {259--276}, series = {Open Access Series in Informatics (OASIcs)}, ISBN = {978-3-939897-04-0}, ISSN = {2190-6807}, year = {2007}, volume = {7}, editor = {Ahuja, Ravindra K. and Liebchen, Christian and Mesa, Juan A.}, publisher = {Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik}, address = {Dagstuhl, Germany}, URL = {https://drops.dagstuhl.de/entities/document/10.4230/OASIcs.ATMOS.2007.1182}, URN = {urn:nbn:de:0030-drops-11820}, doi = {10.4230/OASIcs.ATMOS.2007.1182}, annote = {Keywords: Railroad simulation, locomotive engine planning} }
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