NDLI: Dimensions cooperate by Euclidean metric in Particle Swarm Optimization

Content Provider	IEEE Xplore Digital Library
Author	Zezhou Li Junqi Zhang Wei Wang Jing Yao
Copyright Year	2014
Description	Author affiliation: Dept. of Comput. Sci. & Technol., Tongji Univ., Shanghai, China (Zezhou Li; Junqi Zhang; Wei Wang; Jing Yao)
Abstract	Since Particle Swarm Optimization (PSO) was introduced, variants of PSO have usually updated velocities of particles in each dimension independently in the high-dimensional space. This paper proposes a Dimensionally Cooperative PSO (DCPSO), in which dimensions cooperate to update velocities of particles through Euclidean metric. The Euclidean metric first builds pbest-centered and gbest-centered hyperspheres. And then, velocity vectors of particles are derived from stochastic points obeying a distribution within the hyperspheres for dimensions cooperating. DCPSO investigates such cooperation of dimensions through Euclidean metric, instead of updating each dimension independently. Compared with the traditional PSO, DCPSO is validated by simulations on the 20 standard benchmark problems from CEC 2013. Furthermore, DCPSO shows more rotationally-invariant than the traditional PSO from the results. Additionally, the differences between the behaviors of the traditional PSO and the proposed DCPSO are analyzed from the aspect of the search space. Meanwhile, the curse of dimensionality is illustrated by comparisons between the traditional PSO and DCPSO in distinct dimensions.
Starting Page	1359
Ending Page	1366
File Size	680356
Page Count	8
File Format	PDF
e-ISBN	9781479914883
DOI	10.1109/CEC.2014.6900430
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-07-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Vectors Euclidean distance Particle swarm optimization Probability density function Standards Benchmark testing Distribution functions
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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