Intelligent adaptive model-based control of robotic dynamic systems with a hybrid fuzzy-neural approach |
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Authors: | Oscar Castillo Patricia Melin |
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Affiliation: | aComputer Science Department, Tijuana Institute of Technology, P.O. Box 4207, Chula Vista, CA 91909, USA |
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Abstract: | We describe in this paper a new method for adaptive model-based control of robotic dynamic systems using a new hybrid fuzzy-neural approach. Intelligent control of robotic systems is a difficult problem because the dynamics of these systems is highly nonlinear. We describe an intelligent system for controlling robot manipulators to illustrate our fuzzy-neural hybrid approach for adaptive control. We use a new fuzzy inference system for reasoning with multiple differential equations for model selection based on the relevant parameters for the problem. In this case, the fractal dimension of a time series of measured values of the variables is used as a selection parameter. We use neural networks for identification and control of robotic dynamic systems. We also compare our hybrid fuzzy-neural approach with conventional fuzzy control to show the advantages of the proposed method for control. |
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Keywords: | Fuzzy control Neural control Robotic systems Adaptive control |
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