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Fuzzy error matrix based on fuzzy error logic is used to express current status u, expectant status u1 and transformation matrix T. It is u,u1, and T that are used to build fuzzy error matrix equation T(u)=u1. It allows us to find a method that bad status “u” change to good status “u1” by solving equation. The purpose of solving fuzzy error matrix equation is to get a decision support about how to...
In view of traditional PID controller parameters optimization by Z—N method, and none satisfactory dynamic properties can be gotten, so a new PID controller parameters optimization method based on improved Ant Colony Algorithm is put forward in this paper. Ant Colony Algorithm is a way of heuristic, which adopts parallel computation mechanism, characterized with strong robust. This paper proposes...
Linguistic dynamic systems (LDS) are dynamic processes involving computing with words instead of numbers for modeling and analysis of complex systems. In this paper, a fuzzy neural network (FNN) structure of LDS base on nonlinear particle swarm optimization was proposed. Finally, experiment results on logistics formulation demonstrated the feasibility and the efficiency of the proposed FNN model.
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