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Published in: Soft Computing 2/2021

14-08-2020 | Methodologies and Application

A simple numerical scheme for generation of weighting factors for multiobjective optimisation

Authors: Sujin Bureerat, Nantiwat Pholdee

Published in: Soft Computing | Issue 2/2021

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Abstract

Optimisers for multi- or many-objective optimisation problems can be categorised as scalarisation and meta-heuristic approaches. Many of the approaches from both groups require to use a set of weighting vectors, which are expected to be as evenly distributed as possible. The current practice employs the normal-boundary intersection (NBI) method which has one disadvantage in that the number of sampling points must be the number of k-combination. This work proposes a numerical scheme called clustering-based hyperplane sampling (CBHS) to deal with such a weak point. The method is based on random sampling on a hyperplane and clustering. The classical NBI method and some of its extended versions are used to examine the performance of the proposed algorithm. The comparative results reveal that CBHS is the best performer with using longer computing time. Moreover, its real advantage is the capability of generating a set of weighting vectors with any sample size.

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Literature
go back to reference Bureerat S, Sriworamas K (2007) Population-based incremental learning for multiobjective optimisation. In: Saad A, Dahal K, Sarfraz M, Roy R (eds) Soft computing in industrial applications. Advances in soft computing. Springer, Berlin, Heidelberg, pp 223–232CrossRef Bureerat S, Sriworamas K (2007) Population-based incremental learning for multiobjective optimisation. In: Saad A, Dahal K, Sarfraz M, Roy R (eds) Soft computing in industrial applications. Advances in soft computing. Springer, Berlin, Heidelberg, pp 223–232CrossRef
go back to reference Zhang J, Sanderson AC (2009) JADE: adaptive differential evolution with optional external archive. IEEE Trans Evol Comput 13(5):945–958CrossRef Zhang J, Sanderson AC (2009) JADE: adaptive differential evolution with optional external archive. IEEE Trans Evol Comput 13(5):945–958CrossRef
Metadata
Title
A simple numerical scheme for generation of weighting factors for multiobjective optimisation
Authors
Sujin Bureerat
Nantiwat Pholdee
Publication date
14-08-2020
Publisher
Springer Berlin Heidelberg
Published in
Soft Computing / Issue 2/2021
Print ISSN: 1432-7643
Electronic ISSN: 1433-7479
DOI
https://doi.org/10.1007/s00500-020-05249-0

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