The aim of the present work was to assess the operating performance of mechanical harvesting of the fruit of coffee trees (Coffea arabica L.) with a KTR® Advance harvester using a “neuro-fuzzy” system which considered the variation of the vibration of the rods and the maturation index of the fruit. The evaluations were carried out fortnightly for 70 days in treatments with vibration levels of 13.33, 15.00 and 1...