Particle Swarm Optimization incorporating a Preferential Velocity-Updating Mechanism and Its Applications in IIR Filter Design

Author(s):  
Heng-Chou Chen ◽  
Oscal T.-C. Chen
2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Supriya Dhabal ◽  
Palaniandavar Venkateswaran

We present a novel hybrid algorithm based on particle swarm optimization (PSO) and simulated annealing (SA) for the design of two-dimensional recursive digital filters. The proposed method, known as SA-PSO, integrates the global search ability of PSO with the local search ability of SA and offsets the weakness of each other. The acceptance criterion of Metropolis is included in the basic algorithm of PSO to increase the swarm’s diversity by accepting sometimes weaker solutions also. The experimental results reveal that the performance of the optimal filter designed by the proposed SA-PSO method is improved. Further, the convergence behavior as well as optimization accuracy of proposed method has been improved significantly and computational time is also reduced. In addition, the proposed SA-PSO method also produces the best optimal solution with lower mean and variance which indicates that the algorithm can be used more efficiently in realizing two-dimensional digital filters.


2018 ◽  
Vol 232 ◽  
pp. 04023
Author(s):  
Dachao Yue ◽  
Haikuan Liu

EEG data processing method is usually digital filter designed by the traditional method. Its disadvantage is the transition zone is wide and the filtering effect is poor. Using an improved particle swarm optimization algorithm on IIR digital filters design, the performances of filters designed by various methods are compared and analyzed. Experiments illustrate particle swarm optimization algorithm is effective in IIR filter design and its performance is promising.


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