Covering apparatus , which comprises: - a support structure provided with at least two lateral beams that are parallel to and side-by-side each other, each of which longitudinally extended along a corresponding first extension direction (X); - a plurality of covering blades arranged one after the other according to said first extension direction (X), and each of such covering blades is provided with two opposite ends associated with the respective said lateral beams ; - movement means operatively connected to said covering blades and adapted to move said covering blades between a closed position, in which said covering blades are arranged partially superimposed one over the next to cover an underlying surface of the ground, and at least one open position, in which said covering blades are arranged spaced one from the next, delimiting passage openings between them; said movement means comprising: - at least one electric motor mechanically connected to said covering blades ; - at least one electronic control unit operatively connected to said electric motor in order to control the operation of said electric motor ; wherein said electronic control unit comprises: - an acquisition module operatively connected to said electric motor and configured for acquiring first values of at least one first operating electrical parameter (i(t)) of said electric motor in at least one operating travel of said covering blades ; characterized in that said electronic control unit further comprises: - a processing module configured for calculating, as a function of said first values of said at least one first operating electrical parameter (i(t)), corresponding values of a position parameter (xP) indicative of corresponding operating positions of said covering blades in said operating travel; - a control module operatively connected to said electric motor and configured for sending, to said electric motor , a drive signal as a function of said position parameter (xP). - a support structure provided with at least two lateral beams that are parallel to and side-by-side each other, each of which longitudinally extended along a corresponding first extension direction (X); - a plurality of covering blades arranged one after the other according to said first extension direction (X), and each of such covering blades is provided with two opposite ends associated with the respective said lateral beams ; - movement means operatively connected to said covering blades and adapted to move said covering blades between a closed position, in which said covering blades are arranged partially superimposed one over the next to cover an underlying surface of the ground, and at least one open position, in which said covering blades are arranged spaced one from the next, delimiting passage openings between them; - at least one electric motor mechanically connected to said covering blades ; - at least one electronic control unit operatively connected to said electric motor in order to control the operation of said electric motor ; - an acquisition module operatively connected to said electric motor and configured for acquiring first values of at least one first operating electrical parameter (i(t)) of said electric motor in at least one operating travel of said covering blades ; - a processing module configured for calculating, as a function of said first values of said at least one first operating electrical parameter (i(t)), corresponding values of a position parameter (xP) indicative of corresponding operating positions of said covering blades in said operating travel; - a control module operatively connected to said electric motor and configured for sending, to said electric motor , a drive signal as a function of said position parameter (xP). <EOS>