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This paper introduces the evolvement rule of Cellular Automata (CA) into robot soccer competition and combines CA with Ant Colony Algorithm, then utilizes them to help soccer robot avoid obstacles. In order to avoid local convergence of the algorithm, we present a pheromone-diffusion mechanism and a target distance stimulating factor to increase the guidance quality of the ant colony in optimization,...
This paper presents a novel artificial potential field method for obstacle avoidance and path planning of mobile robots. By analyzing the shortcoming of the artificial potential field methods for robot path planning, we propose an obstacle avoidance method based on gravity chain. Suppose that there is a rubber band which connects with the beginning and the ending in the obstacle potential field space...
By a variant version of mountain pass theorem, the existence and multiplicity of solutions are obtained for a class of superlinear -Laplacian equations: . In this paper, we suppose neither satisfies the superquadratic condition in Ambrosetti-Rabinowitz sense nor is nondecreasing with respect to .
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