BRPI0806186A2 - sistema de controle de posição de um atuador e método para estimar a posição de um atuador - Google Patents

sistema de controle de posição de um atuador e método para estimar a posição de um atuador Download PDF

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Publication number
BRPI0806186A2
BRPI0806186A2 BRPI0806186-6A BRPI0806186A BRPI0806186A2 BR PI0806186 A2 BRPI0806186 A2 BR PI0806186A2 BR PI0806186 A BRPI0806186 A BR PI0806186A BR PI0806186 A2 BRPI0806186 A2 BR PI0806186A2
Authority
BR
Brazil
Prior art keywords
actuator position
actuator
data signals
fluid pressure
signals
Prior art date
Application number
BRPI0806186-6A
Other languages
English (en)
Inventor
Qinghui Yuan
Christy W Schottler
Jae Y Lew
Original Assignee
Eaton Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eaton Corp filed Critical Eaton Corp
Publication of BRPI0806186A2 publication Critical patent/BRPI0806186A2/pt

Links

Classifications

    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
    • F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
    • F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves
    • 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
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • 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
    • F15B2211/6309—Electronic controllers using input signals representing a pressure the pressure being a pressure source supply 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
    • F15B2211/60—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6336—Electronic controllers using input signals representing a state of the output member, e.g. position, speed or acceleration
    • 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
    • F15B2211/634—Electronic controllers using input signals representing a state of a valve
    • 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
    • F15B2211/6346—Electronic controllers using input signals representing a state of input means, e.g. joystick position
    • 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
    • F15B2211/665—Methods of control using electronic components
    • F15B2211/6656—Closed loop control, i.e. control using feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Control Of Position Or Direction (AREA)

Abstract

SISTEMA DE CONTROLE DE POSIçãO DE UM ATUADOR E MéTODO PARA ESTIMAR A POSIçãO DE UM ATUADOR. Um sistema de controle de posição de atuador compreende um atuador; pelo menos um sensor de posição de atuador montado no atuador; uma válvula de controle de fluxo tendo pelo menos um carretel de estágio principal, pelo menos um sensor de posição de carretel, que monitora posição do carretel de estágio principal, uma entrada e alimentação (supply port), uma entrada de tanque tank port), uma primeira entrada de controle (control port), uma segunda entrada de controle (control port), sendo que a válvula de controle de fluxo se comunica fluidicamente com o atuador; uma pluralidade de sensores de pressão de fluido para monitorar a pressão do fluido na entrada de alimentação, na entrada de tanque, na primeira entrada de controle, e na segunda entrada de controle da válvula de controle de fluxo; e um controlador em comunicação fluídica com a válvula de controle de fluxo, sendo que o controlador é configurado para: receber a posição desejada de atuador; receber sinais de dados de fluido a partir da pluralidade de sensores de pressão de fluido; receber sinais de posição de carretel a partir do sensor de posição de carretel; receber sinais de dados de posição de atuador a partir do sensor de posição de atuador; determinar as taxas de fluxo de fluido corrigidas de/para o atuador com base nos sinais de dados de pressão de fluido, nos sinais de posição de carretel, e em um fator de correção de erro, onde este fator de correção de erro é função dos sinais de dados de pressão de fluido e dos sinais de posição de carretel; determinar a posição estimada de atuador, onde a posição estimada de atuador inclui um componente cinemático, que é função das taxas de fluxo de fluido corrigidas de! para o atuador, e um componente dinâmico, que, por sua vez, é função da pressão na câmara do atuador; aplicar fatores de ganho adaptativos para calibrar a posição estimada de atuador aos sinais de dados de posição de atuador a partir do sensor de posição de atuador; comparar a posição estimada de atuador com a posição desejada de atuador; e fechar a válvula de carretel de estágio principal para evitar comunicação fluídica com o atuador.
BRPI0806186-6A 2007-01-05 2008-01-02 sistema de controle de posição de um atuador e método para estimar a posição de um atuador BRPI0806186A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/650,267 US7518523B2 (en) 2007-01-05 2007-01-05 System and method for controlling actuator position
PCT/IB2008/000002 WO2008084367A2 (en) 2007-01-05 2008-01-02 System and method for controlling actuator position

Publications (1)

Publication Number Publication Date
BRPI0806186A2 true BRPI0806186A2 (pt) 2011-08-30

Family

ID=39593171

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0806186-6A BRPI0806186A2 (pt) 2007-01-05 2008-01-02 sistema de controle de posição de um atuador e método para estimar a posição de um atuador

Country Status (8)

Country Link
US (1) US7518523B2 (pt)
EP (1) EP2109718B1 (pt)
JP (1) JP5327544B2 (pt)
CN (1) CN101605996B (pt)
AT (1) ATE504746T1 (pt)
BR (1) BRPI0806186A2 (pt)
DE (1) DE602008006021D1 (pt)
WO (1) WO2008084367A2 (pt)

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JP5780963B2 (ja) * 2008-10-16 2015-09-16 イートン コーポレーションＥａｔｏｎ Ｃｏｒｐｏｒａｔｉｏｎ 作業車両の動作制御
US8352129B2 (en) * 2008-10-16 2013-01-08 Eaton Corporation Motion control of work vehicle
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US20130068309A1 (en) * 2011-09-15 2013-03-21 Robb Gary Anderson Position controller for pilot-operated electrohydraulic valves
CA2861902A1 (en) * 2012-01-20 2013-07-25 Eaton Corporation Electronic load drop protection for hydraulic fluid system
US9193573B1 (en) * 2012-05-11 2015-11-24 The Boeing Company Process for measuring and controlling extension of scissor linkage systems
US9657863B2 (en) 2012-08-30 2017-05-23 Schlumberger Technology Corporation Sample valve systems and methods
EP2725241A1 (de) * 2012-10-29 2014-04-30 MOOG GmbH Verfahren und Vorrichtung zur Bestimmung des Füllstandes eines Volumens
AU2014287335B2 (en) 2013-07-09 2018-02-08 Schlumberger Technology B.V. Valve shift detection systems and methods
CN105298998A (zh) * 2015-11-24 2016-02-03 常州倍特轴承有限公司 微电子控制液压高精度进给系统
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Also Published As

Publication number Publication date
EP2109718B1 (en) 2011-04-06
US7518523B2 (en) 2009-04-14
ATE504746T1 (de) 2011-04-15
EP2109718A2 (en) 2009-10-21
CN101605996B (zh) 2012-10-03
JP5327544B2 (ja) 2013-10-30
JP2010515005A (ja) 2010-05-06
WO2008084367A2 (en) 2008-07-17
CN101605996A (zh) 2009-12-16
US20080163750A1 (en) 2008-07-10
DE602008006021D1 (de) 2011-05-19
WO2008084367A3 (en) 2008-12-11

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 9A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]