Particle Swarm Metaheuristics for Robust Optimisation with Implementation Uncertainty

Hughes, Martin and Goerigk, Marc and Dokka Venkata Satyanaraya, Trivikram (2020) Particle Swarm Metaheuristics for Robust Optimisation with Implementation Uncertainty. Computers and Operations Research, 122: 104998. ISSN 0305-0548

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We consider global non-convex optimisation problems under uncertainty. In this setting, it is not possible to implement a desired solution exactly. Instead, any other solution within some distance to the intended solution may be implemented. The aim is to find a robust solution, i.e., one where the worst possible solution nearby still performs as well as possible. Problems of this type exhibit another maximisation layer to find the worst case solution within the minimisation level of finding a robust solution, which makes them harder to solve than classic global optimisation problems. So far, only few methods have been provided that can be applied to black-box problems with implementation uncertainty. We improve upon existing techniques by introducing a novel particle swarm based framework which adapts elements of previous methods, combining them with new features in order to generate a more effective approach. In computational experiments, we find that our new method outperforms state of the art comparator heuristics in almost 80% of cases.

Item Type:
Journal Article
Journal or Publication Title:
Computers and Operations Research
Uncontrolled Keywords:
?? robust optimisationimplementation uncertaintymetaheuristicsglobal optimisationparticle swarm optimisationmodelling and simulationmanagement science and operations researchgeneral computer sciencecomputer science(all) ??
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Deposited On:
11 May 2020 16:00
Last Modified:
16 Jul 2024 11:26