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Neural network based hybrid force/position control for robot manipulators

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Abstract

This paper presents a neural network based adaptive control scheme for hybrid force/position control for rigid robot manipulators. Firstly the robot dynamics is decomposed into force, position and redundant joint subspaces. Based on this decomposition, a neural network based controller is proposed that achieves the stability in the sense of Lyapunov for desired interaction force between the end-effector and the environment as well as regulate robot tip position in cartesian space. A feedforward neural network is employed to learn the parametric uncertainties, existing in the dynamical model of the robot manipulator. Finally numerical simulation studies are carried out for a two link rigid robot manipulator.

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Correspondence to Naveen Kumar.

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Kumar, N., Panwar, V., Sukavanam, N. et al. Neural network based hybrid force/position control for robot manipulators. Int. J. Precis. Eng. Manuf. 12, 419–426 (2011). https://doi.org/10.1007/s12541-011-0054-3

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  • DOI: https://doi.org/10.1007/s12541-011-0054-3

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