HYDRAULIC SERVO SYSTEM Russian patent published in 1994 - IPC

Abstract RU 2005921 C1

FIELD: industrial robots. SUBSTANCE: hydraulic servo system has hydraulic motors 2 and 3, differential reduction gear 6, turn angle transmitter 8, error meter 9 and subtraction circuit 10. Formed at control inputs of chokes 11 and 12 are control signals of rotational speeds of shafts 4 and 5 of hydraulic motors 2 and 3 whose difference determines speed of output shaft 7 of reduction gear 6. EFFECT: enhanced efficiency. 1 dwg

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RU 2 005 921 C1

Authors

Vodjanik M.G.

Nuzhdin V.F.

Klimov V.R.

Ponomarev R.A.

Dates

1994-01-15—Published

1991-04-09—Filed