Fractal Image Compression Based on Particle Swarm Optimization and Chaos Searching

2010 ◽  
Author(s):  
G Vahdati ◽  
M Yaghoobi ◽  
Mohammad R Akbarzadeh-T
Keyword(s):  
Particle Swarm Optimization ◽  
Image Compression ◽  
Particle Swarm ◽  
Fractal Image Compression ◽  
Swarm Optimization ◽  
Fractal Image ◽  
Chaos Searching

Design Optimization of Beam-Pumping Unit Based on Improved Particle Swarm Optimization

2011 ◽  
Vol 130-134 ◽  
pp. 2540-2543
Author(s):  
Yan Bin Li ◽  
Tong Jiang ◽  
You Hua Gao ◽  
Lian Yong Yu
Keyword(s):  
Particle Swarm Optimization ◽  
Optimization Algorithm ◽  
Complex Structure ◽  
Particle Swarm ◽  
Peak Torque ◽  
Swarm Optimization ◽  
Improved Particle Swarm Optimization ◽  
Chaos Optimization ◽  
Pumping Unit ◽  
Chaos Searching

A novel particle swarm optimization algorithm based on chaos searching has been proposed and introduced to optimize the design of beam pumping unit which takes the minimum peak torque factor on the up stroke as the objective function. The optimization for beam-pumping unit have shown the improved particle swarm optimization based on chaos searching algorithm has both advantage of simplify for implement of original particle swarm optimization and advantage of fast convergence, easy to escape local minima for chaos optimization algorithm. The improved optimization has also provided a new method for the design of complex structure.

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