Sisrouting: um sistema de apoio a decisão com a utilização da metaheurística grasp aplicada problema de roteamento do ônibus escolar

Abstract

The school bus routing problem (SBRP) is an important practical problem, studied in combinatorial optimization. It is formulated through a set of stops, bus fleets, schools and garage, where from these sets, we seek to create optimized routes in order to reduce the operating cost of the service. This work presents two great contributions to the improvement of SBRP solution, are the following, the development of an algorithm based on GRASP + 2-Opt, for generating optimal routes and a system decision support for the SBRP, with the use of Google Maps v3 functions, to provide a agile view of the current situation of the problem to the system administrator, through the use of marker locations for bus stops, schools and garage. The system was tested in two ways. First, with the use of benchmark instances the literature and the second with a simulation of a real-world environment. The results are compared with the main work problem literature, thus achieving generate solutions with a significant reduction in the number of buses used and the computational time for generating the route.