DIGITAL ELECTROHYDRAULIC FOLLOW-UP CONTROL SYSTEM OF OBJECT POSITION Russian patent published in 2009 - IPC G05B15/00 

FIELD: machine building.

SUBSTANCE: digital electrohydraulic control system of object position contains composer of key code connected to the device of summation connected to decoder connected through limiter amplifier with block of relay commutator which is connected to block of voltage reference and electrical pipes is connected to electric motors of two groups of electric motor hydraulic pump package. Pumps of each group of electric motor hydraulic pump packages are communicated to one of two working cavities each of which includes equal number of constant throttles and safety valve, intercommunicated to inner cavity of tank in which it is installed compensator of temperature changes of working liquid volume. Both working cavities by hydraulic pipes are connected to cavities of booster jack allowing piston with rod which is fixed to control object and connected to composer of feedback code connected to summation device.

EFFECT: reliability and consistency of operation growth of electrohydraulic booster and all digital electrohydraulic follow-up control of object position.

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