Low-power-consumption flow self-adaptive hydraulic position closed-loop control system and method

The invention relates to the field of molten steel smelting and forming, in particular to a low-power-consumption flow self-adaptive hydraulic position closed-loop control system and method. A decompression energy storage filtering unit, an emergency closing unit, a hydraulic closed-loop control uni...

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Hauptverfasser: JIAO YUE, LEI CONGHUI, ZHAO CHUNLI, QIU MINGJUN, GUO XINGLIANG, GUO JIA, WANG YAQIANG
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creator JIAO YUE
LEI CONGHUI
ZHAO CHUNLI
QIU MINGJUN
GUO XINGLIANG
GUO JIA
WANG YAQIANG
description The invention relates to the field of molten steel smelting and forming, in particular to a low-power-consumption flow self-adaptive hydraulic position closed-loop control system and method. A decompression energy storage filtering unit, an emergency closing unit, a hydraulic closed-loop control unit and an actuator unit are used, four sets of structurally and functionally identical pilot-operatedtype high-frequency-response flow self-adaptive control units in the hydraulic closed-loop control unit are adopted for replacing an existing servo valve (proportional valve) to control the positionof a stopper hydraulic cylinder, and poor anti-pollution capacity, a high failure rate, high power consumption, a high price and other defects of a system due to the traditional adoption of a servo valve (proportional valve) are overcome. Meanwhile, the pilot-operated type high-frequency-response flow self-adaptive control units are adopted, speed stepless regulation of the stopper hydraulic cylinder can be achieved under
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subjects BLASTING
DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
FLUID-PRESSURE ACTUATORS
FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS
HEATING
HYDRAULICS OR PNEUMATICS IN GENERAL
LIGHTING
MECHANICAL ENGINEERING
SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL
WEAPONS
title Low-power-consumption flow self-adaptive hydraulic position closed-loop control system and method
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