... followed in presence of unknown obstacles (Fig. 22(d)) is veryclose to the one obtained after including the unknownobstacle in the data base and starting again the plan-ning [15]. In fact the main ... Jordan and Rumelhart[9] for neuro-control. In the original method, two neu-ral networks are used: one for modeling the plant andanother for the controller. In fact, as pointed by Jordanand ... learning, in: Proceedings of the Eighth InternationalWorkshop on Machine Learning, Ithaca, NY. 1991, pp. 70–74.[10] L.N. Kanal, J.F. Lemmer, Uncertainty in ArtificialIntelligence, North-Holland,...