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Optimal multi-objective discrete decision making using a multidirectional modified Physarum solver

Masi, Luca and Vasile, Massimiliano (2012) Optimal multi-objective discrete decision making using a multidirectional modified Physarum solver. In: EVOLVE 2012 International Conference, 2012-08-07 - 2012-08-09.

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Abstract

This paper will address a bio-inspired algorithm able to incrementally grow decision graphs in multiple directions for discrete multi-objective optimization. The algorithm takes inspiration from the slime mould Physarum Polycephalum, an amoeboid organism that in its plasmodium state extends and optimizes a net of veins looking for food. The algorithm is here used to solve multi-objective Traveling Salesman and Vehicle Routing Problems selected as representative examples of multi-objective discrete decision making problems. Simulations on selected test case showed that building decision sequences in two directions and adding a matching ability (multidirectional approach) is an advantageous choice if compared with the choice of building decision sequences in only one direction (unidirectional approach). The ability to evaluate decisions from multiple directions enhances the performance of the solver in the construction and selection of optimal decision sequences.

Item type: Conference or Workshop Item (Paper)
ID code: 41573
Keywords: Mechanical engineering and machinery, Motor vehicles. Aeronautics. Astronautics, Engineering (miscellaneous), Control and Optimization
Subjects: Technology > Mechanical engineering and machinery
Technology > Motor vehicles. Aeronautics. Astronautics
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Technology and Innovation Centre > Advanced Engineering and Manufacturing
Depositing user: Pure Administrator
Date deposited: 19 Oct 2012 09:59
Last modified: 16 Oct 2017 05:47
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URI: https://strathprints.strath.ac.uk/id/eprint/41573
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