MACHINE AGRICOLE COMPORTANT UN DISPOSITIF DE RÉGULATION DE FORCE, PROCÉDÉ DE COMMANDE D'UNE PROFONDEUR DE TRAITEMENT ET DE DISPOSITIF DE RÉGULATION DE FORCE
An agricultural machine (10) provided with cultivation devices (12), which are mounted on a vertically adjustable support arm (231) or support frame of a chassis (24), said devices (12), via the support arm (231), thereof being arranged to at least assume a working depth (19) at which said devices (12) process the ground at a preselected working depth, the agricultural machine (10) being provided with a force regulation device comprising a lateral force sensor (17, 31, 32) connected to a control system (15), which in turn is connected to a hydraulic system (16), which is connected to at least one lifting device (25), for instance a hydraulic cylinder, which is arranged to regulate the working depth of the cultivation device (12) depending on a control signal from the lateral force sensor (17, 31, 32), and a method and a force regulation device for such a one.