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BR9606327A - Aparelho para posicionamento e método que utiliza controle pwm de um cílindro hidraulico de dupla ação - Google Patents

Aparelho para posicionamento e método que utiliza controle pwm de um cílindro hidraulico de dupla ação

Info

Publication number
BR9606327A
BR9606327A BR9606327A BR9606327A BR9606327A BR 9606327 A BR9606327 A BR 9606327A BR 9606327 A BR9606327 A BR 9606327A BR 9606327 A BR9606327 A BR 9606327A BR 9606327 A BR9606327 A BR 9606327A
Authority
BR
Brazil
Prior art keywords
positioning
hydraulic cylinder
pwm control
double acting
acting hydraulic
Prior art date
Application number
BR9606327A
Other languages
English (en)
Inventor
Robert Francis Larkin
Original Assignee
Lockheed 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 Lockheed Corp filed Critical Lockheed Corp
Publication of BR9606327A publication Critical patent/BR9606327A/pt

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • G05D3/18—Control of position or direction using feedback using an analogue comparing device delivering a series of pulses
    • 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
    • F15B9/03—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 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3057—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having two valves, one for each port of a double-acting output member
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F15B2211/7054—Having equal piston areas

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Servomotors (AREA)
  • Control Of Position Or Direction (AREA)
  • Actuator (AREA)
BR9606327A 1995-04-17 1996-02-07 Aparelho para posicionamento e método que utiliza controle pwm de um cílindro hidraulico de dupla ação BR9606327A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/423,069 US5542336A (en) 1995-04-17 1995-04-17 Positioning apparatus and method utilizing PWM control of a double-acting hydraulic cylinder
PCT/US1996/001750 WO1996033347A1 (en) 1995-04-17 1996-02-07 Positioning apparatus and method utilizing pwm control of a double-acting hydraulic cylinder

Publications (1)

Publication Number Publication Date
BR9606327A true BR9606327A (pt) 1997-11-18

Family

ID=23677568

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9606327A BR9606327A (pt) 1995-04-17 1996-02-07 Aparelho para posicionamento e método que utiliza controle pwm de um cílindro hidraulico de dupla ação

Country Status (11)

Country Link
US (1) US5542336A (pt)
EP (1) EP0781381A1 (pt)
JP (1) JPH10501876A (pt)
CN (1) CN1150835A (pt)
AU (1) AU4919396A (pt)
BR (1) BR9606327A (pt)
CA (1) CA2189847A1 (pt)
MX (1) MX9606424A (pt)
PL (1) PL317707A1 (pt)
TW (1) TW332243B (pt)
WO (1) WO1996033347A1 (pt)

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US5830097A (en) 1996-05-24 1998-11-03 General Dynamics Defense Systems, Inc. Multi-range with infinitely variable ratio in each range, hydromechanical transmission for off-road vehicles
US5737994A (en) * 1996-11-27 1998-04-14 Escobosa; Alfonso S. Digital variable actuation system
US5931758A (en) 1998-04-08 1999-08-03 General Dynamics Land Systems, Inc. Simplified multi-range hydromechanical transmission for vehicles
US6003428A (en) * 1998-07-24 1999-12-21 Smc Pneumatics, Inc. Electro-pneumatic pressure control system for welding and like apparatus
US6269733B1 (en) * 1999-04-30 2001-08-07 Dennis K. Reust Force servo actuator with asymmetric nonlinear differential hydraulic force feedback
SE517901C2 (sv) * 2000-08-15 2002-07-30 Parker Hannifin Ab Styrsystem för pneumatiska drivanordningar
US6641167B2 (en) * 2001-10-16 2003-11-04 Delphi Technologies, Inc. Responsive E/A system for steering columns
US7108324B2 (en) * 2002-06-28 2006-09-19 Lear Corporation Vehicle seat adjuster
US6871574B2 (en) * 2003-05-28 2005-03-29 Husco International, Inc. Hydraulic control valve assembly having dual directional spool valves with pilot operated check valves
US7527483B1 (en) * 2004-11-18 2009-05-05 Carl J Glauber Expansible chamber pneumatic system
DE102006025881A1 (de) * 2006-06-02 2007-12-06 Robert Bosch Gmbh Ortungsgerät
DE102006025861A1 (de) * 2006-06-02 2007-12-06 Robert Bosch Gmbh Ortungsgerät
US20070286745A1 (en) * 2006-06-09 2007-12-13 Maynard Chance Integrated mixing pump
DE102009004284A1 (de) * 2009-01-10 2010-07-15 Robert Bosch Gmbh Kraftwerk zur Umwandlung mechanischer Primärenergie in eine andere Energieform und Verfahren zur Umwandlung mechanischer Primärenergie in einem Kraftwerk
US20100296949A1 (en) * 2009-08-10 2010-11-25 Advanced Air Innovations Llc High-efficiency pneumatic drive motor system
KR101281944B1 (ko) * 2010-01-15 2013-07-03 시케이디 가부시키가이샤 진공 제어 시스템 및 진공 제어 방법
JP4815538B2 (ja) * 2010-01-15 2011-11-16 シーケーディ株式会社 真空制御システムおよび真空制御方法
US8753564B2 (en) 2011-06-13 2014-06-17 Mac Valves, Inc. Piston rod and cylinder seal device for aluminum bath crust breaker
US8932515B2 (en) 2011-06-13 2015-01-13 La-Z-Boy Incorporated Crust breaker aluminum bath detection system
US8906291B2 (en) 2011-06-13 2014-12-09 Mac Valves, Inc. Piston rod and cylinder seal device for aluminum bath crust breaker
US8910562B2 (en) 2011-06-13 2014-12-16 Mac Valves, Inc. Pneumatic system for controlling aluminum bath crust breaker
CN102644793B (zh) * 2012-04-25 2013-12-25 苏州协昌环保科技股份有限公司 脉冲控制仪控制多路电磁脉冲阀的调节方法
JP5904639B2 (ja) * 2012-04-27 2016-04-13 国立大学法人東京工業大学 ３ポートバルブ
HU230907B1 (hu) * 2012-07-19 2019-02-28 Dániel Wamala Impulzus-vezérelt lineáris aktuátor
US10309430B2 (en) * 2012-08-10 2019-06-04 Confluent Surgical, Inc. Pneumatic actuation assembly
US9611871B2 (en) * 2013-09-13 2017-04-04 Norbert J. Kot Pneumatic valve assembly and method
DE102015101032A1 (de) * 2015-01-26 2016-07-28 Amazonen-Werke H. Dreyer Gmbh & Co. Kg Landwirtschaftliche Maschine und Regelungsverfahren
US9968033B2 (en) * 2016-06-21 2018-05-15 Macdon Industries Ltd. Crop machine with an electronically controlled hydraulic cylinder flotation system
US10954969B2 (en) * 2017-06-10 2021-03-23 Shahin Fallahi Servo governor by PWM
JP2019015348A (ja) * 2017-07-07 2019-01-31 東京エレクトロン株式会社 ガスシリンダ
DE102019120863A1 (de) * 2019-08-01 2021-02-04 Atlas Copco Ias Gmbh Verfahren zur Steuerung eines mechanischen Füge- oder Umformprozesses
CN111350706B (zh) * 2019-12-27 2021-01-19 燕山大学 脉宽调制型液压变压器

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US3479924A (en) * 1968-04-19 1969-11-25 Stanley Works Piston type operator with power checking
US4116321A (en) * 1976-12-27 1978-09-26 Borg-Warner Corporation Valve arrangement for closed-loop control system
US4450753A (en) * 1980-05-12 1984-05-29 Ford Motor Company Electro-hydraulic proportional actuator
GB2100473B (en) * 1981-01-30 1985-01-03 Nystrom Per Henrik Gosta Fluid-governed servosystem
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DE3201546C2 (de) * 1982-01-20 1986-03-27 Mannesmann Rexroth GmbH, 8770 Lohr Vorrichtung zum Steuern eines Hydromotors
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JPH0613915B2 (ja) * 1987-11-16 1994-02-23 本田技研工業株式会社 デューティ作動ソレノイドバルブの駆動方法
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DE4103422A1 (de) * 1991-02-05 1992-08-06 Siemens Ag Elektropneumatischer stellungsregler
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Also Published As

Publication number Publication date
MX9606424A (es) 1997-12-31
WO1996033347A1 (en) 1996-10-24
CN1150835A (zh) 1997-05-28
PL317707A1 (en) 1997-04-28
AU4919396A (en) 1996-11-07
CA2189847A1 (en) 1996-10-24
EP0781381A1 (en) 1997-07-02
JPH10501876A (ja) 1998-02-17
US5542336A (en) 1996-08-06
TW332243B (en) 1998-05-21

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Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law