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Multimodal function optimization using an improved bat algorithm in noise-free and noisy environments
Harman/Becker Automotive Systems, DEU.
Blekinge Institute of Technology, Faculty of Computing, Department of Communication Systems.
Middlesex University, GBR.
2017 (English)In: Modeling and Optimization in Science and Technologies, Springer, 2017, 10, 29-49 p.Chapter in book (Refereed)
Abstract [en]

Modern optimization problems in economics, medicine, and engineering are becoming more complicated and have a convoluted search space with multiple minima. These problems are multimodal with objective functions exhibiting multiple peaks, valleys, and hyperplanes of varying heights. Furthermore, they are nonlinear, non-smooth, non-quadratic, and can have multiple satisfactory solutions. In order to select a best solution among several possible solutions that can meet the problem objectives, it is desirable to find many such solutions. For these problems, the gradient information is either not available or not computable within reasonable time. Therefore, solving such problems is a challenging task. Recent years have seen a plethora of activities to solve such multimodal problems using non-traditional methods. These methods are nature inspired and are becoming popular due to their general applicability and effective search strategies. In this chapter, we assess the ability of an improved bat algorithm (IBA) to solve multimodal problems in noise-free and additive white Gaussian noise (AWGN) environments. Numerical results are presented to show that the IBA can successfully locate multiple solutions in both noise-free and AWGN environments with a relatively high degree of accuracy. © Springer International Publishing AG 2017.

Place, publisher, year, edition, pages
Springer, 2017, 10. 29-49 p.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:bth-14040DOI: 10.1007/978-3-319-50920-4_2Scopus ID: 2-s2.0-85014938295OAI: oai:DiVA.org:bth-14040DiVA: diva2:1083868
Available from: 2017-03-22 Created: 2017-03-22 Last updated: 2017-03-28Bibliographically approved

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Zepernick, Hans-Jürgen
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CiteExportLink to record
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Citation style
  • apa
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  • modern-language-association-8th-edition
  • vancouver
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More styles
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  • de-DE
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  • nn-NB
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  • Other locale
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Output format
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