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Introduction
 PSO Algorithm
 Parameter Selection
 Fast Convergence Strategy
 Test Results
 Conclusion
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PSO is a population-based search
method based on the behavior of birds
flocking and fish schooling.
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Improvement of the timevarying inertia
weight and acceleration coefficients.
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A new parameter called the spread
factor has been introduced into the PSO.
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Results are not as good as the one using
linearly decreasing inertia weight in
terms of precision.
› adding a momentum factor.
› modify the cognition and social factors using
the spread factor.
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