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IPC

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Application

2002126966/09, 2002-10-09

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Start date

2002-10-09

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Actual filing date

2002-10-09

(45)

Published

2004-07-27

(72)

Inventor

Red'Ko P.G.Bortsov A.A.Lobanov Ju.I.Kvasov G.V.Konstantinov S.V.Kuznetsov V.E.Bortsov Ju.A.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Mashinostroitel'Nyj Zavod Voskhod"

ELECTROHYDRAULIC DIRECTLY CONTROLLED SERVO DRIVE Russian patent published in 2004 - IPC

Abstract RU 2233464 C2

FIELD: systems for automatic control of air crafts.

SUBSTANCE: servo drive includes module of electrohydraulic amplifier having two-system steering mechanism with doubled slide valve and direct-current position pickup placed on rod; correction device with pattern having connected in series first amplifier controlled limitation, integrator, comparator, second amplifier with controlled limitation, differentiating unit in limited frequency band, third amplifier with controlled limitation whose outlet is connected with third inlet of second preliminary amplifier-adder. Inlets of first amplifier with controlled limitation are connected with outlets of first preliminary amplifier-adder, integrator and second amplifier with controlled limitation. Second inlet of comparator is connected with position pickup of steering mechanism. Rod of slide valve of steering mechanism is connected with armature of linear electric motor. Rod of steering mechanism is connected with rod of doubled slide valve of actuating hydraulic motor.

EFFECT: enhanced static and dynamic characteristics of servo drive, lowered power of linear electric motor.

2 dwg

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RU 2 233 464 C2

Authors

Red'Ko P.G.

Bortsov A.A.

Lobanov Ju.I.

Kvasov G.V.

Konstantinov S.V.

Kuznetsov V.E.

Bortsov Ju.A.

Dates

2004-07-27—Published

2002-10-09—Filed