Electronic anti-skid device and method for motor vehicle with hydrostatic transmission

Electronic anti-skid device for vehicles with a hydrostatic transmission, consisting of a system for regulating the rotational speed of each of the driven wheels (Front-R, Front-L, Rear-R, Rear-L) of the vehicle, the system comprising output regulators (1, 2, 3, 4) for electronic control coupled to each hydraulic motor (M1, M2, M3, M4) of the driven wheel, an angle direction sensor (Pv), and an electronic computer that makes it possible to control the output regulators, characterized in that it consists of a DST sensor (output, flow direction, temperature) that constantly measures the output of the pump (Po) of the hydrostatic transmission and in that the electronic computer is programmed in order to:

• on the one hand, use the data from the sensors (DST, Pv) in order to constantly calculate the theoretical rotational speed of each of the driven wheels (Front-R, Front-L, Rear-R, Rear-L), and, on the other hand, to control the output regulators (1, 2, 3, 4) of each driven wheel at a value slightly greater than or approximately equal to the theoretical hydraulic output corresponding to the theoretical rotational speed of each of the wheels, calculated by the computer, this computer being programmed in order to perform these operations at close intervals, for example, every ten milliseconds.