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In this paper a metaheuristic for Particle Swarm Optimization (PSO) and two of its variants (inertia weight and constriction coefficient) are used as optimization strategies for designing the membership functions of Fuzzy Control Systems for the water tank and inverted pendulum. Each variant has its own advantages in the algorithm, allowing the exploration and exploitation in different ways and this...
In this paper a comparison of the use of Type-1 and Type-2 fuzzy logic in the benchmark problem known as the problem of the water tank is presented. Fuzzy logic allows managing uncertainty, which is very common in linguistic fuzzy systems. It has been shown that Type-2 fuzzy systems manage better the uncertainty in real world problems but, evidence exists also to show that using Type-2 technology...
In this paper we show a statistical comparison using fuzzy systems for the benchmark case of three tank water level control. In this statistical comparison an empirical type-1 fuzzy system is applied and a type-1 fuzzy system with genetic algorithm is also used. After that a type-2 fuzzy system is used to achieve the control and a genetic algorithm is used to optimize this type-2 fuzzy system. These...
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