Abstract
According to multi-objective optimization problem in controlled atmosphere storage system, a modified multi-objective particle swarm optimization algorithm based on maximin fitness function was proposed. This algorithm introduced normalization algorithm and the conception of ε-dominance to the computation of maximin fitness function value, which solved the skewed popularity of the particles in the flight process. A modified computation method and an alterable ε-dominance strategy were put forward, which effectively improved the convergence speed of the algorithm and the diversity of the particles. The modified multi-objective particle swarm optimization algorithm was applied to optimize parameters like fruits and vegetables type, gas content in the controlled atmosphere storage system. The experimental results showed that the convergent speed of the algorithm was fast and the algorithm was valid.
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