Behavior Cognition Computational ModelBased on Cerebellum and Basal Ganglia Mechanism

摘要

Aiming at agent's behavioral cognition problem,a behavior cognition computational model based on the coordination of cerebellum and basal ganglia is proposed.Operant conditioning learning algorithm is the central algorithm including evaluation mechanism,action selection mechanism,tropism mechanism,and the coordination mechanism between cerebellum and basal ganglia.The learning signals come from not only the Inferior Olive but also the Substantia Nigra in the beginning.The convergence of the algorithm can be guaranteed in the sense of entropy.With the proposed method,a motor nerve cognitive system for the self-balancing two-wheeled robot has been built using the RBF neural network as the actor and evaluation function approximator.The simulation results show that the learning speed is increased as well as the failure times are reduced by the proposed method than by the Actor-Critic method with the only Basal Ganglia mechanism.Through decreasing temperature in the late stage,the learning speed is increased and the vibration disappeares eventually,and the learning effect is improved.