METHOD FOR CONTROLLING AN ELECTROHYDRAULIC TRACKING DRIVE Russian patent published in 2021 - IPC F15B11/05 F15B9/03 

FIELD: electric-hydraulic motors.

SUBSTANCE: invention relates to electrohydraulic tracking drives, during operation of which the power parameter at the output link of the hydraulic motor is controlled. According to the proposed method, the required value of the controlled power parameter is set at the output link of the hydraulic motor by forming an appropriate electrical input signal by means of the controller, a control electrical signal is formed by means of the controller to the electrical input of the hydraulic distributor to change the area of the passage section of its working windows in order to ensure a given law of change of the power controlled parameter, the required pressure value in the pressure channel of the pump is calculated in the controller as a function of the set value of the power controlled parameter at the output link of the hydraulic motor from the condition of maintaining hydraulic losses in the hydraulic drive at the set level, the minimum necessary to solve the problems of regulating the power controlled parameter, and by means of the controller an electric control signal to the electric input of the pump volume regulator is formed to change pressure in the pressure channel of the pump in accordance with the calculated value.

EFFECT: invention is aimed at improving the performance of an electrohydraulic tracking drive, the controlled parameter of which is the power parameter at the output link of the hydraulic motor.

1 cl, 1 dwg