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In this paper, we propose a novel hybrid control system for the trajectory tracking control problem of robotic systems. The design combines fuzzy system with robust adaptive control algorithm. The fuzzy system approximates the certainty equivalent-based optimal controller, while a robustifying adaptive control term is used to cope with uncertainties due to the presence of the external disturbance,...
Intelligent control of space manipulator with flexible-link and flexible-joint is discussed based on the singular perturbation method. Owing to the combined effects of the link and joint flexibilities, the dynamic model of this kind of manipulator becomes more complex and leads to a series of unsolved control system. To simplify the design of the control system, singular perturbation method is used...
Theoretically, the operational space control framework can be regarded to be the most advanced control framework for redundant robots. However, in practice, the control performance of this framework is significantly degraded in the presence of model uncertainties and discretizing effects. Using the singular perturbation theory, this paper shows that the same model uncertainties can create different...
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