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Figure 20 | Journal of NeuroEngineering and Rehabilitation

Figure 20

From: A biologically inspired neural network controller for ballistic arm movements

Figure 20

Adaptation of the neural controller to external forces. The upper figure shows the effect of a force, directed along the x-axis, applied on the end-point of the biomechanical arm model and proportional to its velocity. The shift from the arrival point induced by the disturbances is clearly visible. The lower figure shows the behaviour of the overall system after a training period of the neural controller within he modified working space. The controller learns how to take into account the effects of the external forces acting on the dynamics of the arm model.

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