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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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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