RU2011127440A - METHOD AND DEVICE FOR THE SEMI-ACTIVE REDUCTION OF PRESSURE OSCILLATIONS IN A HYDRAULIC SYSTEM - Google Patents

METHOD AND DEVICE FOR THE SEMI-ACTIVE REDUCTION OF PRESSURE OSCILLATIONS IN A HYDRAULIC SYSTEM Download PDF

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RU2011127440A
RU2011127440A RU2011127440/02A RU2011127440A RU2011127440A RU 2011127440 A RU2011127440 A RU 2011127440A RU 2011127440/02 A RU2011127440/02 A RU 2011127440/02A RU 2011127440 A RU2011127440 A RU 2011127440A RU 2011127440 A RU2011127440 A RU 2011127440A
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Russia
Prior art keywords
hydraulic system
pressure
vibration damper
actuating element
variable component
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RU2011127440/02A
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Russian (ru)
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RU2527496C2 (en
Inventor
Антон ПИРКО
Георг КАЙНТЦЕЛЬ
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Сименс Фаи Металз Текнолоджиз Гмбх
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/04—Devices damping pulsations or vibrations in fluids
    • F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
    • F16L55/05—Buffers therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/008—Reduction of noise or vibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/007—Control for preventing or reducing vibration, chatter or chatter marks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/62—Roll-force control; Roll-gap control by control of a hydraulic adjusting device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/66—Roll eccentricity compensation systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F15B2211/6313—Electronic controllers using input signals representing a pressure the pressure being a load pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/8613—Control during or prevention of abnormal conditions the abnormal condition being oscillations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Vibration Prevention Devices (AREA)
  • Control Of Metal Rolling (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Metal Rolling (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)

Abstract

1. Способ полуактивного уменьшения колебаний давления в гидравлической системе холодно- или горячепрокатного стана или установки для обработки полосы для железных, стальных или алюминиевых материалов, включающий в себя следующие этапы в указанной последовательности:а) обнаружение сигнала давления посредством датчика давления путем постоянного измерения давления в гидравлической системе;b) определение переменной составляющей сигнала давления;c) определение по меньшей мере одного изменяющегося во времени регулирующего воздействия в реальном времени с помощью регулятора с учетом переменной составляющей;d) подача этого регулирующего воздействия по меньшей мере на один исполнительный элемент, при этом исполнительный элемент изменяет собственную частоту соединенного с гидравлической системой гасителя колебаний, за счет чего уменьшается амплитуда колебаний давления в гидравлической системе.2. Способ по п.1, отличающийся тем, что переменная составляющая подвергается полосовой фильтрации.3. Способ по п.1, отличающийся тем, что исполнительный элемент изменяет соответствующий регулирующему воздействию объем в гасителе колебаний.4. Способ по п.3, отличающийся тем, что исполнительный элемент изменяет объем резонатора Гельмгольца или активную длину резонатора λ/4.5. Способ по п.1, отличающийся тем, что способ применяется к гидравлической системе приводного цилиндра прокатной клети.6. Устройство для полуактивного уменьшения колебаний давления в гидравлической системе холодно- или горячепрокатного стана или установки для обработки полосы для железных, стальных или алюминиевых материалов, включающее в себя соеди1. A method of semi-active reduction of pressure fluctuations in the hydraulic system of a cold or hot rolling mill or installation for processing strip for iron, steel or aluminum materials, including the following steps in the specified sequence: a) detecting a pressure signal by a pressure sensor by continuously measuring the pressure in hydraulic system; b) determination of the variable component of the pressure signal; c) determination of at least one time-varying control action in real time using a controller taking into account the variable component; d) supply of this control action to at least one final element, while the actuator changes the natural frequency of the vibration damper connected to the hydraulic system, thereby reducing the amplitude of pressure fluctuations in the hydraulic system. 2. The method according to claim 1, characterized in that the variable component is subjected to band pass filtering. The method according to claim 1, characterized in that the actuating element changes the volume in the vibration damper corresponding to the control action. The method according to claim 3, characterized in that the actuator changes the volume of the Helmholtz resonator or the active length of the resonator λ / 4.5. The method according to claim 1, characterized in that the method is applied to the hydraulic system of the drive cylinder of the rolling stand. A device for semi-active reduction of pressure fluctuations in the hydraulic system of a cold or hot rolling mill or strip processing plant for iron, steel or aluminum materials, including connections

Claims (11)

1. Способ полуактивного уменьшения колебаний давления в гидравлической системе холодно- или горячепрокатного стана или установки для обработки полосы для железных, стальных или алюминиевых материалов, включающий в себя следующие этапы в указанной последовательности:1. The method of semi-active reduction of pressure fluctuations in the hydraulic system of a cold or hot rolling mill or installation for processing strips for iron, steel or aluminum materials, comprising the following steps in the sequence indicated: а) обнаружение сигнала давления посредством датчика давления путем постоянного измерения давления в гидравлической системе;a) detection of a pressure signal by means of a pressure sensor by continuously measuring the pressure in the hydraulic system; b) определение переменной составляющей сигнала давления;b) determination of the variable component of the pressure signal; c) определение по меньшей мере одного изменяющегося во времени регулирующего воздействия в реальном времени с помощью регулятора с учетом переменной составляющей;c) the determination of at least one time-varying regulatory action in real time using the controller, taking into account the variable component; d) подача этого регулирующего воздействия по меньшей мере на один исполнительный элемент, при этом исполнительный элемент изменяет собственную частоту соединенного с гидравлической системой гасителя колебаний, за счет чего уменьшается амплитуда колебаний давления в гидравлической системе.d) applying this control action to at least one actuating element, wherein the actuating element changes the natural frequency of the vibration damper connected to the hydraulic system, thereby reducing the amplitude of the pressure fluctuations in the hydraulic system. 2. Способ по п.1, отличающийся тем, что переменная составляющая подвергается полосовой фильтрации.2. The method according to claim 1, characterized in that the variable component is subjected to bandpass filtering. 3. Способ по п.1, отличающийся тем, что исполнительный элемент изменяет соответствующий регулирующему воздействию объем в гасителе колебаний.3. The method according to claim 1, characterized in that the actuating element changes the volume corresponding to the regulatory action in the vibration damper. 4. Способ по п.3, отличающийся тем, что исполнительный элемент изменяет объем резонатора Гельмгольца или активную длину резонатора λ/4.4. The method according to claim 3, characterized in that the actuating element changes the volume of the Helmholtz resonator or the active cavity length λ / 4. 5. Способ по п.1, отличающийся тем, что способ применяется к гидравлической системе приводного цилиндра прокатной клети.5. The method according to claim 1, characterized in that the method is applied to the hydraulic system of the drive cylinder of the rolling stand. 6. Устройство для полуактивного уменьшения колебаний давления в гидравлической системе холодно- или горячепрокатного стана или установки для обработки полосы для железных, стальных или алюминиевых материалов, включающее в себя соединенный с гидравлической системой датчик давления, предназначенный для обнаружения сигнала давления, звено для определения переменной составляющей сигнала давления, на которое может подаваться сигнал давления, по меньшей мере одно устройство регулирования, на которое может подаваться переменная составляющая и с помощью которого может определяться по меньшей мере одно регулирующее воздействие, по меньшей мере один соединенный с гидравлической системой гаситель колебаний и по меньшей мере один соединенный с гасителем колебаний исполнительный элемент с изменяющимся объемом, на который может подаваться регулирующее воздействие и посредством которого может изменяться объем резонатора гасителя колебаний.6. A device for semi-active reduction of pressure fluctuations in the hydraulic system of a cold or hot rolling mill or strip processing unit for iron, steel or aluminum materials, including a pressure sensor connected to the hydraulic system for detecting a pressure signal, a link for determining a variable component a pressure signal to which a pressure signal can be supplied, at least one control device to which a variable component can be supplied at least one control action, at least one vibration damper connected to the hydraulic system and at least one actuator with a variable volume connected to the vibration damper, to which the control action can be supplied and by which it can be changed resonator volume of the vibration damper. 7. Устройство по п.6, отличающееся тем, что гаситель колебаний выполнен в виде резонатора λ/4 или резонатора Гельмгольца.7. The device according to claim 6, characterized in that the vibration damper is made in the form of a λ / 4 resonator or Helmholtz resonator. 8. Устройство по п.6, отличающееся тем, что исполнительный элемент выполнен в виде электрического исполнительного элемента с подъемным шпинделем или гидравлического исполнительного элемента.8. The device according to claim 6, characterized in that the actuating element is made in the form of an electric actuating element with a lifting spindle or a hydraulic actuating element. 9. Устройство по п.6, отличающееся тем, что устройство соединено с гидравлическим клапаном и гидравлическим цилиндром гидравлического привода валков.9. The device according to claim 6, characterized in that the device is connected to a hydraulic valve and a hydraulic cylinder for the hydraulic drive of the rolls. 10. Применение способа по одному из пп.1-5 или устройства по одному из пп.6-9 при обработке и/или изготовлении металлических материалов, в частности, в комбинированной литейно-прокатной установке.10. Application of the method according to one of claims 1 to 5 or the device according to one of claims 6 to 9 in the processing and / or manufacture of metallic materials, in particular in a combined casting and rolling plant. 11. Применение по п.10, причем комбинированная литейно-прокатная установка является установкой для литья тонкой полосы или установкой для литья тонких слябов (ESP). 11. The application of claim 10, and the combined casting and rolling installation is an installation for casting thin strips or installation for casting thin slabs (ESP).
RU2011127440/02A 2008-12-05 2009-11-30 Method and device for semi-active suppression of pressure oscillations in hydraulic system RU2527496C2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT0189608A AT507087B1 (en) 2008-12-05 2008-12-05 METHOD AND DEVICE FOR THE SEMI-ACTIVE REDUCTION OF PRESSURE VIBRATIONS IN A HYDRAULIC SYSTEM
ATA1896/2008 2008-12-05
PCT/EP2009/066020 WO2010063664A1 (en) 2008-12-05 2009-11-30 Method and device for the semi-active reduction of pressure oscillations in a hydraulic system

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RU2011127440A true RU2011127440A (en) 2013-01-10
RU2527496C2 RU2527496C2 (en) 2014-09-10

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US (1) US20110302976A1 (en)
EP (1) EP2355941A1 (en)
JP (1) JP2012510900A (en)
KR (1) KR20110094322A (en)
CN (1) CN102271832B (en)
AT (1) AT507087B1 (en)
BR (1) BRPI0922291A2 (en)
CA (1) CA2745804A1 (en)
MX (1) MX2011005501A (en)
RU (1) RU2527496C2 (en)
WO (1) WO2010063664A1 (en)

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AT507087A4 (en) 2010-02-15
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EP2355941A1 (en) 2011-08-17
AT507087B1 (en) 2010-02-15
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CN102271832A (en) 2011-12-07
BRPI0922291A2 (en) 2015-12-29

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