HYBRID COLUMN GENERATION-BASED APPROACH FOR VRP WITH SIMULTANEOUS DISTRIBUTION, COLLECTION, PICKUP-AND-DELIVERY AND REAL-WORLD SIDE CONSTRAINTS

Lorenzo Ruinelli, Matteo Salani, Luca Maria Gambardella

2012

Abstract

We present an optimization algorithm that hybridizes heuristic and exact methods to solve the problem of a real-world distribution company. Our algorithm combines three existing optimization techniques (Ant Colony Optimization, Column Generation and Mixed Integer Programming). Standard Column Generation is improved with an incremental search technique able to speed up the entire process. We present computational results on 14 real-world instances obtained from our industrial partner. Finally, we compare the solutions obtained by our algorithm against those currently computed by the route planning office of our industrial partner. Beside cost savings, we asses the reliability of our approach in terms of computational time and quality.

References

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Paper Citation


in Harvard Style

Ruinelli L., Salani M. and Maria Gambardella L. (2012). HYBRID COLUMN GENERATION-BASED APPROACH FOR VRP WITH SIMULTANEOUS DISTRIBUTION, COLLECTION, PICKUP-AND-DELIVERY AND REAL-WORLD SIDE CONSTRAINTS . In Proceedings of the 1st International Conference on Operations Research and Enterprise Systems - Volume 1: ICORES, ISBN 978-989-8425-97-3, pages 247-255. DOI: 10.5220/0003713702470255


in Bibtex Style

@conference{icores12,
author={Lorenzo Ruinelli and Matteo Salani and Luca Maria Gambardella},
title={HYBRID COLUMN GENERATION-BASED APPROACH FOR VRP WITH SIMULTANEOUS DISTRIBUTION, COLLECTION, PICKUP-AND-DELIVERY AND REAL-WORLD SIDE CONSTRAINTS},
booktitle={Proceedings of the 1st International Conference on Operations Research and Enterprise Systems - Volume 1: ICORES,},
year={2012},
pages={247-255},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003713702470255},
isbn={978-989-8425-97-3},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 1st International Conference on Operations Research and Enterprise Systems - Volume 1: ICORES,
TI - HYBRID COLUMN GENERATION-BASED APPROACH FOR VRP WITH SIMULTANEOUS DISTRIBUTION, COLLECTION, PICKUP-AND-DELIVERY AND REAL-WORLD SIDE CONSTRAINTS
SN - 978-989-8425-97-3
AU - Ruinelli L.
AU - Salani M.
AU - Maria Gambardella L.
PY - 2012
SP - 247
EP - 255
DO - 10.5220/0003713702470255