Job-shop Problems with Objectives Appropriate for Train Scheduling in a Single-track Railway

Omid Gholami, Yuri N. Sotskov, Frank Werner

2012

Abstract

A train scheduling problem in a single-track railway is studied using a mixed graph model for a job-shop with appropriate criteria. There are several performance evaluations for a train schedule. Optimizing a train schedule subtends minimizing total tardiness of the trains, minimizing the sum of train transit times, minimizing the makespan for a train schedule, etc. Since the corresponding job-shop problems with the above three criteria are NP-hard, several heuristic algorithms have been developed using different priorities based on the release times of the jobs, the job due-dates and the job completion times. Experiments on a computer were used for evaluating the quality and efficiency of the heuristic algorithms developed for appropriate job-shop problems. The release times, due-dates and completion times of the jobs have been used as input parameters (priorities) in the computer simulation to see the effect of them on the quality of the schedules with different objective functions. The efficiency of the developed heuristics was demonstrated via a simulation on a set of randomly generated instances of small and medium sizes. The computational results showed that one heuristic algorithm outperformed the other algorithms tested for two of the three objective functions under consideration.

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Paper Citation


in Harvard Style

Gholami O., N. Sotskov Y. and Werner F. (2012). Job-shop Problems with Objectives Appropriate for Train Scheduling in a Single-track Railway . In Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - Volume 1: SIMULTECH, ISBN 978-989-8565-20-4, pages 425-430. DOI: 10.5220/0004054404250430


in Bibtex Style

@conference{simultech12,
author={Omid Gholami and Yuri N. Sotskov and Frank Werner},
title={Job-shop Problems with Objectives Appropriate for Train Scheduling in a Single-track Railway},
booktitle={Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - Volume 1: SIMULTECH,},
year={2012},
pages={425-430},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004054404250430},
isbn={978-989-8565-20-4},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 2nd International Conference on Simulation and Modeling Methodologies, Technologies and Applications - Volume 1: SIMULTECH,
TI - Job-shop Problems with Objectives Appropriate for Train Scheduling in a Single-track Railway
SN - 978-989-8565-20-4
AU - Gholami O.
AU - N. Sotskov Y.
AU - Werner F.
PY - 2012
SP - 425
EP - 430
DO - 10.5220/0004054404250430