NO801827L - Anordning til aa redusere hastigheten av et stempel i en sylinder. - Google Patents
Anordning til aa redusere hastigheten av et stempel i en sylinder.Info
- Publication number
- NO801827L NO801827L NO801827A NO801827A NO801827L NO 801827 L NO801827 L NO 801827L NO 801827 A NO801827 A NO 801827A NO 801827 A NO801827 A NO 801827A NO 801827 L NO801827 L NO 801827L
- Authority
- NO
- Norway
- Prior art keywords
- piston
- signal
- cylinder
- actuator means
- areas
- Prior art date
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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/2214—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for reducing the shock generated at the stroke end
-
- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/046—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member
- F15B11/048—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed depending on the position of the working member with deceleration control
-
- 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
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control 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
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
- F15B2211/6346—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
-
- 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
- F15B2211/6654—Flow rate control
-
- 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
- F15B2211/755—Control of acceleration or deceleration of the output member
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mining & Mineral Resources (AREA)
- Fluid Mechanics (AREA)
- Structural Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Vehicle Body Suspensions (AREA)
- Paper (AREA)
- Actuator (AREA)
- Vending Machines For Individual Products (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Soil Working Implements (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7905461A SE440129B (sv) | 1979-06-20 | 1979-06-20 | Anordning for att reducera kolvhastigheten i en cylinder, da kolven nermar sig endlegena |
Publications (3)
Publication Number | Publication Date |
---|---|
NO801827L true NO801827L (no) | 1980-12-22 |
NO152622B NO152622B (no) | 1985-07-15 |
NO152622C NO152622C (no) | 1985-10-23 |
Family
ID=20338348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO801827A NO152622C (no) | 1979-06-20 | 1980-06-18 | Anordning til aa redusere hastigheten av et stempel i en sylinder. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4358989A (no) |
EP (1) | EP0022105B1 (no) |
AT (1) | ATE6539T1 (no) |
DE (1) | DE3066819D1 (no) |
FI (1) | FI66678C (no) |
NO (1) | NO152622C (no) |
SE (1) | SE440129B (no) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4527954A (en) * | 1983-01-14 | 1985-07-09 | Halliburton Company | Pumping apparatus |
US4763560A (en) * | 1984-05-25 | 1988-08-16 | Tokyo Precision Instruments Co., Ltd. | Method and apparatus of controlling and positioning fluid actuator |
SE459878B (sv) * | 1985-01-07 | 1989-08-14 | Akermans Verkstad Ab | Foerfarande och anordning foer att reducera kolvhastigheten i speciellt en arbetsmaskins kolv- och cylinderaggregat |
US4844685A (en) * | 1986-09-03 | 1989-07-04 | Clark Equipment Company | Electronic bucket positioning and control system |
DE3642642C3 (de) * | 1986-12-13 | 1994-09-01 | Rexroth Mannesmann Gmbh | Schaltungsanordnung zur Lage- und Vorschubregelung eines hydraulischen Antriebes |
US4784039A (en) * | 1987-03-17 | 1988-11-15 | Topworks, Inc. | Electric and pneumatic valve positioner |
US4819543A (en) * | 1987-10-23 | 1989-04-11 | Topworks, Inc. | Electric and pneumatic feedback controlled positioner |
US5224664A (en) * | 1991-07-22 | 1993-07-06 | United Technologies Corporation | Adaptive control system input limiting |
US5189940A (en) * | 1991-09-13 | 1993-03-02 | Caterpillar Inc. | Method and apparatus for controlling an implement |
JPH05196004A (ja) * | 1992-01-20 | 1993-08-06 | Komatsu Ltd | 作業機シリンダの自動クッション制御装置 |
GB9223827D0 (en) * | 1992-11-13 | 1993-01-06 | Fermec Mfg Ltd | System for controlling the speed of a piston in a piston and cylinder assembly |
US5383390A (en) * | 1993-06-28 | 1995-01-24 | Caterpillar Inc. | Multi-variable control of multi-degree of freedom linkages |
JPH0771412A (ja) * | 1993-09-03 | 1995-03-17 | Kubota Corp | 作業車の油圧アクチュエータ操作構造 |
US5537818A (en) * | 1994-10-31 | 1996-07-23 | Caterpillar Inc. | Method for controlling an implement of a work machine |
US5927520A (en) * | 1995-10-06 | 1999-07-27 | Kidde Industries, Inc. | Electro-hydraulic operating system for extensible boom crane |
US5642653A (en) * | 1995-10-23 | 1997-07-01 | Caterpillar Inc. | Method and apparatus for providing detents on an electronic control handle |
US5765337A (en) * | 1996-05-23 | 1998-06-16 | Forpak, Inc. | Apparatus and method for stacking and boxing stackable articles |
US5701793A (en) * | 1996-06-24 | 1997-12-30 | Catepillar Inc. | Method and apparatus for controlling an implement of a work machine |
JP3109995B2 (ja) * | 1996-09-25 | 2000-11-20 | 株式会社パブコ | 昇降装置の制御装置及び方法 |
AT407614B (de) * | 1999-03-01 | 2001-05-25 | Voest Alpine Ind Anlagen | Verfahren zur steuerung eines langhubigen, hydraulischen stellzylinders |
US6368046B1 (en) * | 1999-03-19 | 2002-04-09 | Caterpillar Inc. | Modulation of ejector pumps to provide uniform and controllable ejector speed during ejector stroke for articulated trucks and the like having ejector type dump mechanism |
US6202014B1 (en) * | 1999-04-23 | 2001-03-13 | Clark Equipment Company | Features of main control computer for a power machine |
DE10256923B4 (de) * | 2002-12-05 | 2013-10-24 | Liebherr-France S.A. | Verfahren und Vorrichtung zur Bewegungsdämpfung von Hydraulikzylindern mobiler Arbeitsmaschinen |
US6938535B2 (en) * | 2002-12-13 | 2005-09-06 | Caterpillar Inc | Hydraulic actuator control |
US7478581B2 (en) * | 2005-12-12 | 2009-01-20 | Caterpillar Inc. | Method of ameliorating an end of stroke effect in an implement system of a machine and machine using same |
US8560181B2 (en) | 2006-01-26 | 2013-10-15 | Volvo Construction Equipment Ab | Method for controlling a movement of a vehicle component |
CN105386482B (zh) * | 2006-01-26 | 2019-04-09 | 沃尔沃建筑设备公司 | 用于控制车辆部件移动的方法 |
US7975410B2 (en) * | 2008-05-30 | 2011-07-12 | Caterpillar Inc. | Adaptive excavation control system having adjustable swing stops |
CN102652200B (zh) * | 2010-03-15 | 2014-10-15 | 株式会社小松制作所 | 用于施工车辆的工作机构的控制装置和控制方法 |
JP5752526B2 (ja) * | 2011-08-24 | 2015-07-22 | 株式会社小松製作所 | 油圧駆動システム |
US9546672B2 (en) | 2014-07-24 | 2017-01-17 | Google Inc. | Actuator limit controller |
JP6710442B2 (ja) * | 2015-09-18 | 2020-06-17 | 住友重機械工業株式会社 | ショベル |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3410177A (en) * | 1966-06-20 | 1968-11-12 | Moog Inc | Apparatus for providing a command signal for a servoactuator |
GB1350084A (en) * | 1971-02-18 | 1974-04-18 | Rank Organisation Ltd | Servomechanisms |
GB1382057A (en) * | 1971-12-17 | 1975-01-29 | Rank Organisation Ltd | Servomechanisms |
GB1518720A (en) * | 1975-11-21 | 1978-07-26 | Ishikawajima Harima Heavy Ind | Hydraulic servomechanism |
GB2035464B (en) * | 1978-11-28 | 1982-12-15 | Dartec Ltd | Actuator protection assemblies |
-
1979
- 1979-06-20 SE SE7905461A patent/SE440129B/sv not_active IP Right Cessation
-
1980
- 1980-06-12 EP EP80850089A patent/EP0022105B1/en not_active Expired
- 1980-06-12 AT AT80850089T patent/ATE6539T1/de not_active IP Right Cessation
- 1980-06-12 DE DE8080850089T patent/DE3066819D1/de not_active Expired
- 1980-06-17 US US06/160,311 patent/US4358989A/en not_active Expired - Lifetime
- 1980-06-18 NO NO801827A patent/NO152622C/no unknown
- 1980-06-19 FI FI801997A patent/FI66678C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0022105A1 (en) | 1981-01-07 |
US4358989A (en) | 1982-11-16 |
FI66678C (fi) | 1984-11-12 |
DE3066819D1 (en) | 1984-04-12 |
ATE6539T1 (de) | 1984-03-15 |
FI66678B (fi) | 1984-07-31 |
NO152622C (no) | 1985-10-23 |
FI801997A (fi) | 1980-12-21 |
SE440129B (sv) | 1985-07-15 |
SE7905461L (sv) | 1980-12-21 |
NO152622B (no) | 1985-07-15 |
EP0022105B1 (en) | 1984-03-07 |
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