The maxisum and maximin-maxisum HAZMAT routing problems

Autor: Armin Lüer-Villagra, Vladimir Marianov, Germán Paredes-Belmar, Andrés Bronfman
Jazyk: angličtina
Rok vydání: 2016
Předmět:
Zdroj: TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW
Artículos CONICYT
CONICYT Chile
instacron:CONICYT
Popis: We design routes for transportation of hazardous materials (HAZMAT) in urban areas, with multiple origin-destination pairs. First, we introduce the maxisum HAZMAT routing problem, which maximizes the sum of the population-weighted distances from vulnerable centers to their closest point on the routes. Secondly, the maximin-maxisum HAZMAT routing problem trades-off maxisum versus the population-weighted distance from the route to its closest center. We propose efficient IP formulations for both NP-Hard problems, as well as a polynomial heuristic that reaches gaps below 0.54% in a few seconds on the real case in the city of Santiago, Chile.
Databáze: OpenAIRE