Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4944458 | Information Sciences | 2017 | 40 Pages |
Abstract
In this paper, we investigate a general algorithm for converting the 0-1 integer linear programming problem (0-1IP) into an optimal transition firing sequence problem (OFSP) of a Petri net (PN). The general 0-1IP can be visualized graphically and then analyzed using the PN theory after application of our proposed conversion algorithm. The proposed algorithm is applied to a traveling salesman problem, a vehicle routing problem and an automated guided vehicles (AGV) routing problem. A PN reduction technique is employed to reduce the size of the PN. Valid inequalities are derived using reachability analysis of the converted PN model. These inequalities are imposed on the original 0-1IP. Computational results show that the total computational time for solving an AGVRP with the valid inequalities derived using the reachability analysis is significantly reduced.
Related Topics
Physical Sciences and Engineering
Computer Science
Artificial Intelligence
Authors
Akito Kodama, Tatsushi Nishi,