DK1604118T3 - Fremgangsmåde til at frembringe et ventilstyringssignal - Google Patents
Fremgangsmåde til at frembringe et ventilstyringssignalInfo
- Publication number
- DK1604118T3 DK1604118T3 DK04714279T DK04714279T DK1604118T3 DK 1604118 T3 DK1604118 T3 DK 1604118T3 DK 04714279 T DK04714279 T DK 04714279T DK 04714279 T DK04714279 T DK 04714279T DK 1604118 T3 DK1604118 T3 DK 1604118T3
- Authority
- DK
- Denmark
- Prior art keywords
- generating
- control signal
- valve control
- valve
- signal
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
- E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
- E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
- E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Mechanical Control Devices (AREA)
- Fluid-Pressure Circuits (AREA)
- Position Input By Displaying (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/383,923 US6895319B2 (en) | 2003-03-07 | 2003-03-07 | Valve command signal processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
DK1604118T3 true DK1604118T3 (da) | 2006-11-27 |
Family
ID=32927160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK04714279T DK1604118T3 (da) | 2003-03-07 | 2004-02-25 | Fremgangsmåde til at frembringe et ventilstyringssignal |
Country Status (14)
Country | Link |
---|---|
US (1) | US6895319B2 (no) |
EP (1) | EP1604118B1 (no) |
JP (1) | JP2006519965A (no) |
KR (1) | KR20050106087A (no) |
AR (1) | AR043408A1 (no) |
AT (1) | ATE334315T1 (no) |
AU (1) | AU2004217795B2 (no) |
BR (1) | BRPI0407859A (no) |
CA (1) | CA2518007A1 (no) |
DE (1) | DE602004001678T2 (no) |
DK (1) | DK1604118T3 (no) |
NO (1) | NO20053317L (no) |
WO (1) | WO2004079206A1 (no) |
ZA (1) | ZA200504989B (no) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE526989C2 (sv) * | 2004-04-19 | 2005-11-29 | Volvo Constr Equip Holding Se | Metod för skakning av arbetsredskap |
US7866149B2 (en) * | 2007-09-05 | 2011-01-11 | Caterpillar Inc | System and method for rapidly shaking an implement of a machine |
PT2246448T (pt) | 2008-02-26 | 2016-11-17 | Mitsubishi Materials Corp | Fio laminado de cobre de alta resistência e alta condutividade |
JP2013189850A (ja) * | 2013-05-08 | 2013-09-26 | Sanyo Kiki Co Ltd | フロントローダの制御システム |
CN107989111B (zh) * | 2017-11-21 | 2021-02-19 | 黎明液压有限公司 | 装载机液压系统自动控制系统 |
EP3434831B1 (en) * | 2018-06-19 | 2021-03-03 | Komatsu Ltd. | Control system for work vehicle, and control method for work vehicle |
CN109653268B (zh) * | 2018-12-06 | 2021-05-14 | 广西柳工机械股份有限公司 | 装载机自动铲装收斗控制方法 |
GB2593759B (en) | 2020-04-02 | 2023-04-26 | Caterpillar Inc | Method and control unit for generating a control command to at least one actuator of an electro-hydraulic machine |
EP4124695A1 (en) * | 2021-07-26 | 2023-02-01 | Danfoss Scotland Limited | Controller and hydraulic apparatus using fluctuation signals for hydraulic actuator operations |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4923362A (en) * | 1988-06-06 | 1990-05-08 | Deere & Company | Bucket leveling system with dual fluid supply |
US5189940A (en) * | 1991-09-13 | 1993-03-02 | Caterpillar Inc. | Method and apparatus for controlling an implement |
JP2869311B2 (ja) * | 1993-09-30 | 1999-03-10 | 新キャタピラー三菱株式会社 | 油圧アクチュエータ用のバルブ制御装置 |
JP3868112B2 (ja) * | 1998-05-22 | 2007-01-17 | 株式会社小松製作所 | 油圧駆動機械の制御装置 |
US6105679A (en) * | 1998-10-29 | 2000-08-22 | Case Corporation | Control system for a hitched or trailed implement |
JP2003065301A (ja) * | 2001-08-24 | 2003-03-05 | Shin Caterpillar Mitsubishi Ltd | 建設機械の油圧制御装置 |
-
2003
- 2003-03-07 US US10/383,923 patent/US6895319B2/en not_active Expired - Lifetime
-
2004
- 2004-02-25 DE DE602004001678T patent/DE602004001678T2/de not_active Expired - Lifetime
- 2004-02-25 EP EP04714279A patent/EP1604118B1/en not_active Expired - Lifetime
- 2004-02-25 CA CA002518007A patent/CA2518007A1/en not_active Abandoned
- 2004-02-25 AU AU2004217795A patent/AU2004217795B2/en not_active Ceased
- 2004-02-25 DK DK04714279T patent/DK1604118T3/da active
- 2004-02-25 WO PCT/EP2004/001823 patent/WO2004079206A1/en active IP Right Grant
- 2004-02-25 BR BRPI0407859-4A patent/BRPI0407859A/pt not_active IP Right Cessation
- 2004-02-25 JP JP2006504461A patent/JP2006519965A/ja active Pending
- 2004-02-25 ZA ZA200504989A patent/ZA200504989B/en unknown
- 2004-02-25 KR KR1020057016577A patent/KR20050106087A/ko not_active Application Discontinuation
- 2004-02-25 AT AT04714279T patent/ATE334315T1/de not_active IP Right Cessation
- 2004-02-26 AR ARP040100608A patent/AR043408A1/es active IP Right Grant
-
2005
- 2005-07-06 NO NO20053317A patent/NO20053317L/no unknown
Also Published As
Publication number | Publication date |
---|---|
AU2004217795A1 (en) | 2004-09-16 |
US20040176894A1 (en) | 2004-09-09 |
DE602004001678D1 (de) | 2006-09-07 |
CA2518007A1 (en) | 2004-09-16 |
AU2004217795B2 (en) | 2009-05-07 |
EP1604118B1 (en) | 2006-07-26 |
NO20053317D0 (no) | 2005-07-06 |
JP2006519965A (ja) | 2006-08-31 |
ZA200504989B (en) | 2006-09-27 |
KR20050106087A (ko) | 2005-11-08 |
AR043408A1 (es) | 2005-07-27 |
EP1604118A1 (en) | 2005-12-14 |
WO2004079206A1 (en) | 2004-09-16 |
DE602004001678T2 (de) | 2006-11-30 |
NO20053317L (no) | 2005-09-30 |
US6895319B2 (en) | 2005-05-17 |
ATE334315T1 (de) | 2006-08-15 |
BRPI0407859A (pt) | 2006-03-01 |
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