Online Learning of Virtual Impedance Parameters in Non-Contact Impedance Control Using Neural Networks
neural networks (NN)
Impedance control is one of the most effective methods forcontrolling the interaction between a manipulator and a task environment.In conventional impedance control methods, however, the manipulatorcannot be controlled until the end-effector contacts task environments. Anoncontact impedance control method has been proposed to resolve such aproblem. This method on only can regulate the end-point impedance, butalso the virtual impedance that works between the manipulator and theenvironment by using visual information. This paper proposes a learningmethod using neural networks to regulate the virtual impedance parametersaccording to a given task. The validity of the proposed method wasverified through computer simulations and experiments with a multijointrobotic manipulator.
IEEE Transactions on Systems, Man, and Cybernetics-Part B: Cybernetics
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Graduate School of Engineering