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An automatic regrouping mechanism to...

Evers, George I.

An automatic regrouping mechanism to deal with stagnation in Particle Swarm Optimization.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	An automatic regrouping mechanism to deal with stagnation in Particle Swarm Optimization.
作者:	Evers, George I.
面頁冊數:	96 p.
附註:	Source: Masters Abstracts International, Volume: 47-06, page: 3700.
附註:	Adviser: Mounir Ben Ghalia.
Contained By:	Masters Abstracts International47-06.
標題:	Mathematics.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1468396
ISBN:	9781109265118

An automatic regrouping mechanism to deal with stagnation in Particle Swarm Optimization.
Evers, George I.

An automatic regrouping mechanism to deal with stagnation in Particle Swarm Optimization. - 96 p.

Source: Masters Abstracts International, Volume: 47-06, page: 3700.

Thesis (M.S.)--The University of Texas - Pan American, 2009.

Particle Swarm Optimization (PSO), which was intended to be a population-based global search method, is known to suffer from premature convergence prior to discovering the true global minimizer. In this thesis, a novel regrouping mechanism is proposed, which aims to liberate particles from the state of premature convergence. This is done by automatically regrouping the swarm once particles have converged to within a pre-specified percentage of the diameter of the search space. The degree of uncertainty inferred from the distribution of particles at premature convergence is used to determine the magnitude of the regrouping per dimension. The resulting PSO with regrouping (RegPSO) provides a mechanism more efficient than repeatedly restarting the search by making good use of the state of the swarm at premature convergence. Results suggest that RegPSO is less problem-dependent and consequently provides more consistent performance than the comparison algorithms across the benchmark suite used for testing.

ISBN: 9781109265118Subjects--Topical Terms:

184409
Mathematics.

An automatic regrouping mechanism to deal with stagnation in Particle Swarm Optimization.
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