To better balance the global and local search capabilities of the particle swarm optimization (PSO) algorithm, and improve its search efficiency and accuracy, this paper proposed an adaptive PSO algorithm based on Pythagorean fuzzy entropy. Based on the Pythagorean fuzzy set theory, the algorithm constructed a Pythagorean fuzzy entropy function. During the iteration, the inertia weight coefficient was dynamically adjusted according to the aggregation degree of particles at different stages, and the particle position information was updated by combining an adaptive global optimal particle learning strategy, thereby preventing the algorithm from premature convergence and falling into the local optimum. Simulation experimental results on nine test functions show that compared with other PSO algorithms, the proposed algorithm improves the solution accuracy and optimization efficiency, and exhibits better convergence performance.
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