FIELD: machine building.
SUBSTANCE: invention relates to electrohydraulic servo drives and can be used in electrohydraulic systems as an autonomous steering drive for aircraft flight control. Invention contains an additional hydromechanical feedback on the speed of the output link of the hydraulic motor, represented by a speed sensor in the form of a valve with two springs, one of which balances the pressure force inside the valve, and the second spring is mechanically connected to the steering drive pump with the possibility of adjusting the pump working volume.
EFFECT: higher reliability and stability of operation of autonomous electrohydraulic steering drive due to additional hydromechanical feedback on speed of hydraulic motor, which provides coordination of output characteristics of steering drive.
1 cl, 1 dwg
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